ARCH COMMUNICATIONS GROUP INC /DE/
10-Q, 1999-08-13
RADIOTELEPHONE COMMUNICATIONS
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                   QUARTERLY REPORT UNDER SECTION 13 0R 15 (d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 10-Q

            (Mark One)

             [X] Quarterly Report Pursuant to Section 13 or 15(d) of
                      the Securities Exchange Act of 1934
                  For the quarterly period ended June 30, 1999
                                       or
            [ ] Transition Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934
                         For the transition period from
                         ______________ to _____________



                     Commission File Numbers 0-23232/1-14248

                         Arch Communications Group, Inc.
             (Exact name of Registrant as specified in its Charter)

              DELAWARE                              31-1358569
      (State of incorporation)         (I.R.S. Employer Identification No.)

                 1800 West Park Drive, Suite 250
                   Westborough, Massachusetts           01581
           (address of principal executive offices)   (Zip Code)

                                 (508) 870-6700
              (Registrant's telephone number, including area code)


Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding  12 months or for such  shorter  period that the  Registrant  was
required  to file  such  reports,  and  (2)  has  been  subject  to such  filing
requirements for the past 90 days. Yes [X] No [ ]

Indicate the number of shares  outstanding  of each of the  issuer's  classes of
common  stock,  as of the  latest  practicable  date:  48,060,782  shares of the
Company's Common Stock ($.01 par value) were outstanding as of August 12, 1999.



<PAGE>


                         ARCH COMMUNICATIONS GROUP, INC.
                          QUARTERLY REPORT ON FORM 10-Q
                                      INDEX



PART I.   FINANCIAL INFORMATION                                           Page

Item 1.   Financial Statements:

          Consolidated Condensed Balance Sheets as of June 30, 1999 and
          December 31, 1998                                                 3

          Consolidated Condensed Statements of Operations for the
          Three and Six Months Ended June 30, 1999 and 1998                 4

          Consolidated Condensed Statements of Cash Flows for the
          Six Months Ended June 30, 1999 and 1998                           5

          Notes to Consolidated Condensed Financial Statements              6

Item 2.   Management's Discussion and Analysis of Financial Condition
          and Results of Operations                                         9

Item 3.   Quantitative and Qualitative Disclosures About Market Risk       18

PART II.  OTHER INFORMATION

Item 1.   Legal Proceedings                                                18
Item 2.   Changes in Securities and Use of Proceeds                        19
Item 3.   Defaults upon Senior Securities                                  19
Item 4.   Submission of Matters to a Vote of Security Holders              19
Item 5.   Other Information                                                19
Item 6.   Exhibits and Reports on Form 8-K                                 20


                                      2
<PAGE>


                          PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

                         ARCH COMMUNICATIONS GROUP, INC.
                      CONSOLIDATED CONDENSED BALANCE SHEETS
                      (in thousands, except share amounts)

<TABLE>
<CAPTION>

                                                        June 30,    December 31,
                                                          1999          1998
                                                          ----          ----
                                 ASSETS               (unaudited)
<S>                                                  <C>            <C>
Current assets:
     Cash and cash equivalents                       $    21,885    $     1,633
     Accounts receivable, net                             60,015         30,753
     Inventories                                          11,011         10,319
     Prepaid expenses and other                           14,344          8,007
                                                     -----------    -----------
         Total current assets                            107,255         50,712
                                                     -----------    -----------
Property and equipment, at cost                          670,948        428,173
Less accumulated depreciation and amortization          (242,194)      (209,128)
                                                     -----------    -----------
Property and equipment, net                              428,754        219,045
                                                     -----------    -----------
Intangible and other assets, net                         952,980        634,528
                                                     -----------    -----------
                                                     $ 1,488,989    $   904,285
                                                     ===========    ===========

              LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)

Current liabilities:
     Current maturities of long-term debt            $     3,060    $     1,250
     Accounts payable                                     26,082         25,683
     Accrued restructuring                                10,167         11,909
     Accrued interest                                     25,567         20,997
     Accrued expenses and other liabilities               95,234         27,175
                                                     -----------    -----------
         Total current liabilities                       160,110         87,014
                                                     -----------    -----------
Long-term debt                                         1,362,064      1,003,499
                                                     -----------    -----------
Other long-term liabilities                               79,968         27,235
                                                     -----------    -----------
Stockholders' equity (deficit):
     Preferred stock-- $.01 par value                          3              3
     Common stock-- $.01 par value                           481             71
     Additional paid-in capital                          639,013        378,218
     Accumulated deficit                                (752,650)      (591,755)
                                                     -----------    -----------
         Total stockholders' equity (deficit)           (113,153)      (213,463)
                                                     -----------    -----------
                                                     $ 1,488,989    $   904,285
                                                     ===========    ===========
</TABLE>





              The accompanying notes are an integral part of these
                       consolidated financial statements.

                                       3
<PAGE>


                         ARCH COMMUNICATIONS GROUP, INC.
                 CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
        (unaudited and in thousands, except share and per share amounts)

<TABLE>
<CAPTION>

                                                         Three Months Ended June 30,      Six Months Ended June 30,
                                                            1999            1998            1999            1998
                                                            ----            ----            ----            ----
<S>                                                     <C>             <C>             <C>             <C>
Service, rental, and maintenance revenues               $    122,280    $     92,883    $    212,809    $    184,280
Product sales                                                 11,213          10,663          21,572          21,305
                                                        ------------    ------------    ------------    ------------
     Total revenues                                          133,493         103,546         234,381         205,585
Cost of products sold                                         (7,603)         (7,324)        (14,529)        (14,690)
                                                        ------------    ------------    ------------    ------------
                                                             125,890          96,222         219,852         190,895
                                                        ------------    ------------    ------------    ------------
Operating expenses:
   Service, rental, and maintenance                           28,093          20,220          48,386          40,409
   Selling                                                    18,033          12,374          31,044          24,244
   General and administrative                                 37,395          28,198          63,021          56,516
   Depreciation and amortization                              76,915          54,686         128,033         108,400
   Restructuring charge                                         --            14,700            --            14,700
                                                        ------------    ------------    ------------    ------------
     Total operating expenses                                160,436         130,178         270,484         244,269
                                                        ------------    ------------    ------------    ------------
Operating income (loss)                                      (34,546)        (33,956)        (50,632)        (53,374)
Interest expense, net                                        (33,373)        (25,130)        (59,187)        (49,795)
Other expense                                                (42,809)           (627)        (43,472)         (1,328)
Equity in loss of affiliate                                     --            (1,164)         (3,200)         (2,219)
                                                        ------------    ------------    ------------    ------------
Income (loss) before extraordinary item and
    accounting change                                       (110,728)        (60,877)       (156,491)       (106,716)
                                                        ------------    ------------    ------------    ------------
Extraordinary charge from early extinguishment of
    debt                                                        --            (1,720)           --            (1,720)
Cumulative effect of accounting change                          --              --            (3,361)           --
                                                        ------------    ------------    ------------    ------------
Net income (loss)                                           (110,728)        (62,597)       (159,852)       (108,436)
Preferred stock dividend                                        (530)           --            (1,043)           --
                                                        ------------    ------------    ------------    ------------
Net income (loss) to common stockholders                $   (111,258)   $    (62,597)   $   (160,895)   $   (108,436)
                                                        ============    ============    ============    ============

Basic/diluted net income (loss) per common share
    before extraordinary charge and accounting change
                                                        $      (5.65)   $      (8.71)   $     (11.75)   $     (15.30)
Extraordinary charge per basic/diluted common share
                                                                --             (0.25)           --             (0.25)
Cumulative effect of accounting change per
    basic/diluted common share                                  --              --             (0.25)           --
                                                        ------------    ------------    ------------    ------------
Basic/diluted net income (loss) per common share
                                                        $      (5.65)   $      (8.96)   $     (12.00)   $     (15.55)
                                                        ============    ============    ============    ============
Basic/diluted weighted average number of common
    shares outstanding                                    19,683,837       6,986,190      13,412,689       6,972,683
                                                        ============    ============    ============    ============
</TABLE>


              The accompanying notes are an integral part of these
                       consolidated financial statements.

                                       4
<PAGE>


                         ARCH COMMUNICATIONS GROUP, INC.
                 CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS
                          (unaudited and in thousands)


<TABLE>
<CAPTION>

                                                                 Six Months Ended
                                                                     June 30,
                                                                  1999         1998
                                                                  ----         ----
<S>                                                            <C>          <C>
Net cash provided by operating activities                      $  36,378    $  33,669
                                                               ---------    ---------

Cash flows from investing activities:
   Additions to property and equipment, net                      (38,685)     (38,353)
   Additions to intangible and other assets                      (18,679)     (21,584)
   Net proceeds from tower site sale                               3,041       10,240
   Acquisition of paging company, net of cash acquired          (519,105)        --
                                                               ---------    ---------
Net cash used for investing activities                          (573,428)     (49,697)
                                                               ---------    ---------

Cash flows from financing activities:
   Issuance of long-term debt                                    466,058      450,964
   Repayment of long-term debt                                  (125,999)    (459,013)
   Net proceeds from sale of preferred stock                        --         25,000
   Net proceeds from sale of common stock                        217,243          662
                                                               ---------    ---------
Net cash (used for) provided by financing activities             557,302       17,613
                                                               ---------    ---------

Net increase in cash and cash equivalents                         20,252        1,585
Cash and cash equivalents, beginning of period                     1,633        3,328
                                                               ---------    ---------
Cash and cash equivalents, end of period                       $  21,885    $   4,913
                                                               =========    =========

Supplemental disclosure:
   Interest paid                                               $  35,809    $  15,289
   Accretion of discount on senior notes                       $  20,316    $  17,997
   Issuance of common stock in acquisition of paging company   $  20,083    $    --
   Liabilities assumed in acquisition of paging company        $ 122,543    $    --
</TABLE>














              The accompanying notes are an integral part of these
                       consolidated financial statements.


<PAGE>


                         ARCH COMMUNICATIONS GROUP, INC.
              NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS
                                   (unaudited)

      (a)  Preparation  of  Interim  Financial  Statements  -  The  consolidated
condensed financial statements of Arch Communications Group, Inc. ("Arch" or the
"Company")  have been prepared in accordance  with the rules and  regulations of
the  Securities  and Exchange  Commission.  The financial  information  included
herein,  other than the consolidated  condensed balance sheet as of December 31,
1998, has been prepared by management  without audit by independent  accountants
who do not express an opinion thereon. The consolidated  condensed balance sheet
at  December  31,  1998 has been  derived  from,  but does not  include  all the
disclosures contained in, the audited consolidated  financial statements for the
year  ended  December  31,  1998.  In the  opinion of  management,  all of these
unaudited  statements  include all adjustments  and accruals  consisting only of
normal recurring accrual adjustments which are necessary for a fair presentation
of the  results of all  interim  periods  reported  herein.  These  consolidated
condensed   financial   statements  should  be  read  in  conjunction  with  the
consolidated  financial  statements  and  accompanying  notes included in Arch's
Annual Report on Form 10-K for the year ended  December 31, 1998. The results of
operations  for the periods  presented  are not  necessarily  indicative  of the
results that may be expected for a full year.

      (b)  Intangible  and Other Assets - Intangible  and other  assets,  net of
accumulated amortization, are comprised of the following (in thousands):

                                                          June 30,  December 31,
                                                            1999       1998
                                                            ----       ----
                                                        (unaudited)
   Goodwill                                               $257,213   $271,808
   Purchased FCC licenses                                  379,783    256,519
   Purchased subscriber lists                              277,731     56,825
   Deferred financing costs                                 31,125     22,072
   Investment in Benbow PCS Ventures, Inc. ("Benbow")          871     11,347
   Investment in CONXUS Communications, Inc. ("CONXUS")       --        6,500
   Non-competition agreements                                1,294      1,790
   Other                                                     4,963      7,667
                                                          --------   --------
                                                          $952,980   $634,528
                                                          ========   ========

   In June 1999,  Arch,  Benbow and Ms.  June  Walsh,  who holds a 50.1%  equity
interest in Benbow, agreed that:

      o  the shareholders agreement, the management agreement and the employment
         agreement  governing the  establishment and operation of Benbow will be
         terminated
      o  Benbow  will not make any  further  FCC  payments  and will not  pursue
         construction  of an N-PCS  system o Arch will not be  obligated to fund
         FCC payments or construction of an N-PCS system by Benbow
      o  the  parties  will seek FCC  approval  of the  forgiveness  of Benbow's
         remaining  payment  obligations  and the transfer of Ms. Walsh's equity
         interest in Benbow to Arch
      o  the closing of the transaction will occur on the earlier of January 23,
         2001 or receipt of FCC approval
      o  Arch will pay Ms. Walsh, in  installments,  an aggregate amount of $3.5
         million (if the  transaction  closes  before  January 23, 2001) or $3.8
         million (if the transaction closes on January 23, 2001)

As a result of these arrangements,  Benbow will not have any meaningful business
operations  and is unlikely to retain its N-PCS  licenses.  Therefore,  Arch has
written off  substantially all of its investment in Benbow in the amount of $8.2
million.  Arch has also  accrued  the payment to Ms.  Walsh of $3.8  million and
legal and other  expenses of  approximately  $1.0  million  which is included in
accrued  expenses.   In  addition,   Arch  guaranteed  Benbow's  obligations  in
conjunction with Benbow's  purchase of the stock of PageCall in June 1998. Since
it is unlikely  that Benbow will be able to meet these  obligations  and Arch is
currently  required to settle the  obligation  in stock,  Arch has  recorded the
issuance of $22.8 million of its common stock in additional paid-in capital,  to
satisfy the obligation in April 2000.

                                       6
<PAGE>

   On May  18,  1999,  CONXUS  filed  for  Chapter  11  protection  in the  U.S.
Bankruptcy  Court in  Delaware.  Arch is unable to predict the effect of CONXUS'
bankruptcy  filing on Arch's  6.6%  equity  interest  in CONXUS or the  existing
agreements between Arch and CONXUS,  therefore, in June 1999, Arch wrote-off its
investment in CONXUS of $6.5 million.

      (c)  Acquisition  of  MobileMedia  - On June 3,  1999 Arch  completed  its
acquisition  of  MobileMedia  Communications,  Inc.  ("MobileMedia")  for $661.7
million, consisting of cash paid of $519.1 million, including direct transaction
costs,  4,781,656  shares of Arch common stock  valued at $20.1  million and the
assumption of  liabilities  of $122.5  million.  The cash payments were financed
through the issuance of  approximately  36.2 million shares of Arch common stock
in a rights  offering  for $6.00  per  share,  the  issuance  of $147.0  million
principal  amount of 13 3/4% senior notes due 2008 (see note (d)) and additional
borrowings under the Company's credit facility.

   The purchase price was allocated  based on the fair values of assets acquired
and  liabilities   assumed.  The  allocation  is  subject  to  change  based  on
finalization  of asset  appraisals.  The acquisition has been accounted for as a
purchase, and the results of MobileMedia's  operations have been included in the
consolidated  financial  statements from the date of the  acquisition.  Goodwill
resulting from the  acquisition is being  amortized over a ten-year period using
the straight-line method.

   The  liabilities  assumed,  referred to above,  include an unfavorable  lease
accrual related to MobileMedia's  rentals on communications towers which were in
excess of market  rental rates.  This accrual  amounted to  approximately  $52.4
million and is included in other  long-term  liabilities.  This  accrual will be
amortized over the remaining lease term of 14 1/4 years.

   Concurrent  with the  consummation  of the  acquisition,  Arch  commenced the
development  of a plan to integrate the operations of  MobileMedia.  The cost of
acquisition may be increased to cover the costs to eliminate redundant headcount
and facilities in connection  with the overall  integration of operations.  Once
the plan is finalized, the purchase price will be adjusted accordingly.

   The following  unaudited pro forma summary presents the consolidated  results
of operations as if the acquisition had occurred at the beginning of the periods
presented,  after giving effect to certain adjustments,  including  depreciation
and  amortization of acquired assets and interest  expense on acquisition  debt.
These pro forma results have been prepared for comparative  purposes only and do
not purport to be  indicative  of what would have  occurred had the  acquisition
been made at the beginning of the period presented, or of results that may occur
in the future.

                                                         Six Months Ended
                                                              June 30,
                                                         1999         1998
                                                         ----         ----
                                                          (in thousands,
                                                     except per share amounts)

   Revenues                                           $ 410,243    $ 428,999
   Income (loss) before extraordinary item             (183,893)    (150,544)
   Net income (loss)                                   (183,893)    (152,264)
   Basic/diluted net income (loss) per common share       (3.85)       (3.17)


   In connection with the acquisition of MobileMedia,  Arch issued approximately
48.3 million warrants to purchase Arch common stock. Each warrant represents the
right to purchase  one-third  of one share of Arch  common  stock at an exercise
price of $3.01 ($9.03 per share). The warrants expire on September 1, 2001.

      (d) Senior Notes -- On June 3, 1999, Arch Communications,  Inc. ("ACI"), a
wholly-owned  subsidiary of Arch, received the proceeds of an offering of $147.0
million  principal amount of 13 3/4% Senior Notes due 2008 (the "13 3/4% Notes")
to  qualified  institutional  buyers  under  Rule  144A  promulgated  under  the
Securities  Act of 1933,  as amended.  The 13 3/4% Notes were sold at an initial
price to  investors  of  95.091%  for net  proceeds  of  $134.6  million  (after
deducting the discount to the Initial Purchasers and offering expenses).  The 13
3/4% Notes  mature on April 15, 2008 and bear  interest at a rate of 13 3/4% per

                                       7
<PAGE>

annum, payable semi-annually in arrears on April 15 and October 15 of each year,
commencing October 15, 1999.

   The indenture governing the 13 3/4% Notes (the "Indenture")  contains certain
covenants that, among other things, limit the ability of ACI to incur additional
indebtedness,  issue preferred stock, pay dividends or make other distributions,
repurchase  Capital  Stock (as  defined in the  Indenture),  repay  subordinated
indebtedness  or make other  Restricted  Payments (as defined in the Indenture),
create certain liens,  enter into certain  transactions  with  affiliates,  sell
assets, issue or sell Capital Stock of ACI's Restricted Subsidiaries (as defined
in the Indenture) or enter into certain mergers and consolidations.

      (e) Reverse Stock Split - On June 28, 1999,  Arch effected a one for three
reverse  stock split.  All share and per share data  included in this  Quarterly
Report for all  periods  presented  have been  adjusted  to give  effect to this
reverse split.

      (f)  Change  in  Accounting  Principle  - In April  1998,  the  Accounting
Standards Executive Committee of the Financial Accounting Standards Board issued
Statement  of Position  98-5 ("SOP  98-5")  "Reporting  on the Costs of Start-Up
Activities".  SOP 98-5 requires costs of start-up  activities  and  organization
costs to be expensed as  incurred.  Arch adopted SOP 98-5  effective  January 1,
1999. Initial  application of SOP 98-5 resulted in a $3.4 million charge,  which
was reported as the cumulative effect of a change in accounting principle.  This
charge  represents the unamortized  portion of start-up and organization  costs,
which had been deferred in prior years.

      (g)  Divisional  Reorganization  - As of June 30, 1999,  359 employees had
been terminated due to the divisional reorganization announced in June 1998. The
Company's  restructuring  activity  as  of  June  30,  1999  is as  follows  (in
thousands):

                                    Reserve
                                   Initially    Utilization of   Remaining
                                  Established      Reserve        Reserve
                                  -----------      -------        -------
    Severance costs                $   9,700       $  3,611      $   6,089
    Lease obligation costs             3,500            645          2,855
    Other costs                        1,500            277          1,223
                                   ---------       --------      ---------
         Total                     $  14,700       $  4,533      $  10,167
                                   =========       ========      =========


   In conjunction with the completion of the MobileMedia  Merger,  management is
reviewing the timing and  implementation  of certain  aspects of the  Divisional
Reorganization.   Management  expects,  based  on  reviews  that  are  currently
underway, that adjustments to this reserve and additional restructuring reserves
may be  necessary  to  affect  the  change  in  timing  and the  integration  of
operations of the companies.




                                      8
<PAGE>


Item 2. Management's  Discussion and Analysis of Financial Condition and Results
        of Operations

FORWARD-LOOKING STATEMENTS

   This Form 10-Q contains  forward-looking  statements.  For this purpose,  any
statements  contained  herein that are not statements of historical  fact may be
deemed to be  forward-looking  statements.  Without limiting the foregoing,  the
words "believes",  "anticipates", "plans", "expects" and similar expressions are
intended to identify forward-looking statements. There are a number of important
factors that could cause the Company's actual results to differ  materially from
those indicated or suggested by such forward-looking  statements.  These factors
include,  without  limitation,  those set forth below under the caption "Factors
Affecting Future Operating Results".

MOBILEMEDIA MERGER

   On August 18, 1998, the Company  entered into an Agreement and Plan of Merger
(as amended as of September 3, 1998,  December 1, 1998 and February 8, 1999, the
"MobileMedia  Merger  Agreement")  providing  for  a  merger  (the  "MobileMedia
Merger") of MobileMedia  Communications,  Inc.  ("MobileMedia")  with and into a
subsidiary of Arch. The  MobileMedia  Merger was part of  MobileMedia's  Plan of
Reorganization (as amended, the "Reorganization Plan") to emerge from Chapter 11
bankruptcy.  Arch's stockholders  approved the MobileMedia Merger on January 26,
1999. On February 5, 1999,  the Federal  Communications  Commission  (the "FCC")
released an order approving the transfer of  MobileMedia's  FCC licenses to Arch
in connection with the MobileMedia Merger,  subject to approval and confirmation
of the  Reorganization  Plan.  The order  granting the  transfer  became a final
order,  no longer subject to  reconsideration  or judicial  review,  on March 8,
1999. The Reorganization Plan was confirmed by the U.S. Bankruptcy Court for the
District  of  Delaware  on  April  12,  1999.  The  MobileMedia  Merger  and the
associated  debt and equity  financings  (described  below)  (collectively,  the
"MobileMedia Transactions") was consummated on June 3, 1999.

   Pursuant  to the  MobileMedia  Merger,  Arch:  (i) issued  certain  stock and
warrants;  (ii) paid $479.0 million in cash to certain creditors of MobileMedia;
(iii) paid  approximately  $40.0  million  of  administrative,  transaction  and
related costs; (iv) raised $217.2 million in cash through offerings of rights to
purchase its common stock; and (v) caused its wholly owned  subsidiary,  ACI and
ACI's principal  operating  subsidiary,  Arch Paging Inc.  ("API"),  to borrow a
total of  approximately  $320.8 million.  After  consummation of the MobileMedia
Transactions on June 3, 1999,  MobileMedia  became a wholly owned  subsidiary of
API. (See the Notes to Consolidated Condensed Financial Statements)

DIVISIONAL REORGANIZATION

   In June  1998,  the Arch  Board  approved a  divisional  reorganization  (the
"Divisional Reorganization"). As part of the Divisional Reorganization, which is
being  implemented  over a period of 18 to 24 months,  Arch has consolidated its
former Midwest,  Western,  and Northern  divisions into four existing  operating
divisions,   and  is  in  the   process  of   consolidating   certain   regional
administrative  support  functions,  such  as  customer  service,   collections,
inventory  and  billing,  to reduce  redundancy  and take  advantage  of various
operating efficiencies.

   In connection with the Divisional Reorganization,  Arch (i) anticipates a net
reduction of approximately 10% of its workforce,  (ii) is closing certain office
locations  and  redeploying  other  real  estate  assets  and (iii)  recorded  a
restructuring  charge of $14.7 million  during 1998.  The  restructuring  charge
consisted of approximately  (i) $9.7 million for employee  severance,  (ii) $3.5
million for lease obligations and terminations,  and (iii) $1.5 million of other
costs.  The  severance  costs and lease  obligations  will  require cash outlays
throughout the 18 to 24 month  restructuring  period.  There can be no assurance
that  the  desired  cost  savings  will  be  achieved  or that  the  anticipated
reorganization of Arch's business will be accomplished  smoothly,  expeditiously
or  successfully.  See  Note  (g) to  Arch's  Consolidated  Condensed  Financial
Statements.

   In conjunction with the completion of the MobileMedia  Merger,  management is
reviewing the timing and  implementation  of certain  aspects of the  Divisional
Reorganization.   Management  expects,  based  on  reviews  that  are  currently
underway, that adjustments to this reserve and additional restructuring reserves
may be  necessary  to  affect  the  change  in  timing  and the  integration  of
operations of the companies.


                                       9
<PAGE>


RESULTS OF OPERATIONS

   Total  revenues  increased to $133.5  million (a 28.9%  increase)  and $234.4
million  (a 14.0%  increase)  in the three and six months  ended June 30,  1999,
respectively, from $103.5 million and $205.6 million in the three and six months
ended June 30, 1998,  respectively.  Net revenues  (total  revenues less cost of
products sold) increased to $125.9 million (a 30.8% increase) and $219.9 million
(a  15.2%   increase)  in  the  three  and  six  months  ended  June  30,  1999,
respectively,  from $96.2 million and $190.9 million in the three and six months
ended June 30, 1998,  respectively.  Total revenues and net revenues in the 1999
period  increased  primarily due to the MobileMedia  Merger,  but were adversely
affected  by a general  slowing of paging  industry  growth,  compared  to prior
years.  Revenues  were also  adversely  affected by: (i) Arch's  decision in the
fourth  quarter of 1998,  in  anticipation  of the  MobileMedia  Merger,  not to
replace  normal  attrition  among  direct  sales  personnel;  (ii)  the  reduced
effectiveness of the reseller  channel of distribution;  and (iii) reduced sales
through  Arch's  company  owned stores.  Arch expects  revenue to continue to be
adversely affected in 1999 due to these factors. Service, rental and maintenance
revenues, which consist primarily of recurring revenues associated with the sale
or lease of pagers,  increased to $122.3  million (a 31.6%  increase) and $212.8
million  (a 15.5%  increase)  in the three and six months  ended June 30,  1999,
respectively,  from $92.9 million and $184.3 million in the three and six months
ended  June  30,  1998,  respectively.  These  increases  in  revenues  were due
primarily  to the  acquisition  of  MobileMedia  on  June 3,  1999.  Maintenance
revenues  represented  less than 10% of total  service,  rental and  maintenance
revenues in the three and six months ended June 30, 1999 and 1998. Arch does not
differentiate  between service and rental revenues.  Product sales, less cost of
products  sold,  increased to $3.6 million (a 8.1% increase) and $7.0 million (a
6.5%  decrease) in the three and six months  ended June 30, 1999,  respectively,
from $3.3  million and $6.6  million in the three and six months  ended June 30,
1998, respectively, as a result of the MobileMedia acquisition.

   Service,  rental  and  maintenance  expenses,   which  consist  primarily  of
telephone  line and site  rental  expenses,  were  $28.1  million  (22.3% of net
revenues) and $48.4 million  (22.0% of net revenues) in the three and six months
ended June 30,  1999,  respectively,  compared  to $20.2  million  (21.0% of net
revenues) and $40.4 million  (21.2% of net revenues) in the three and six months
ended June 30, 1998,  respectively.  The  increases in the three- and  six-month
periods were due primarily to increased  expenses  associated with the provision
of paging services to a greater number of units.  The acquisition of MobileMedia
added  approximately  2.8 million units in service.  As existing  paging systems
become more populated  through the addition of new paging units, the fixed costs
of operating  these paging  systems are spread over a greater  subscriber  base.
Annualized service, rental and maintenance expenses per unit were $21 and $20 in
the three and six months ended June 30, 1999,  respectively,  compared to $20 in
both the corresponding 1998 periods.

   Selling expenses were $18.0 million (14.3% of net revenues) and $31.0 million
(14.1% of net  revenues)  in the  three  and six  months  ended  June 30,  1999,
respectively,  compared  to $12.4  million  (12.9%  of net  revenues)  and $24.2
million (12.7% of net revenues) in the three and six months ended June 30, 1998,
respectively.  These  increases  are due to increased  headcount  primarily as a
result of the MobileMedia Merger.

   General and administrative  expenses increased to $37.4 million (29.7% of net
revenues) and $63.0 million  (28.7% of net revenues) in the three and six months
ended June 30, 1999,  respectively,  from $28.2 million  (29.3% of net revenues)
and $56.5 million (29.6% of net revenues) in the three and six months ended June
30, 1998, respectively. The increases were primarily due to the added headcount,
administrative  and  facility  costs  associated  with  MobileMedia  which  were
partially  offset by a  reduction  in  headcount  as a result of the  divisional
reorganization which began in June 1998.

   Depreciation and amortization  expenses increased to $76.9 million and $128.0
million in the three and six  months  ended June 30,  1999,  respectively,  from
$54.7  million  and $108.4  million  in the three and six months  ended June 30,
1998,  respectively.  These expenses  principally reflect Arch's acquisitions of
paging  businesses in prior periods,  as well as the acquisition of MobileMedia,
accounted for as purchases,  and investment in pagers and other system expansion
equipment to support growth.  Additionally,  depreciation  expense for the three
and six months ended June 30, 1999 includes the write-off of approximately  $7.1
million of costs  associated with the  development of an integrated  billing and
management system. The Company decided to discontinue development efforts due to
the  capabilities  of the system  acquired in conjunction  with the  MobileMedia
Merger.

                                       10
<PAGE>

   Operating  losses were $34.5  million and $50.6  million in the three and six
months ended June 30, 1999,  respectively,  compared to $34.0  million and $53.4
million in the three and six  months  ended June 30,  1998,  respectively,  as a
result of the factors outlined above.

   Net  interest  expense  increased to $33.4  million and $59.2  million in the
three and six months ended June 30, 1999,  respectively,  from $25.1 million and
$49.8 million in the three and six months ended June 30, 1998, respectively. The
increases were  principally  attributable  to an increase in Arch's  outstanding
debt.  Interest  expense for the six months ended June 30, 1999 and 1998 include
approximately  $20.0  million  and  $18.0  million,  respectively,  of  non-cash
interest  accretion on the 107/8%  Senior  Discount  Notes due 2008 (the "Senior
Discount Notes") under which semi-annual interest payments commence on September
15, 2001.

   Other  expense  increased to $42.8 million and $43.5 million in the three and
six months ended June 30, 1999, respectively, from $0.6 million and $1.3 million
in the three and six  months  ended  June 30,  1998,  respectively.  In the 1999
periods,  other  expense  includes  $6.5 million  representing  the write-off of
Arch's investment in CONXUS (see note (b) to the Notes to Consolidated Condensed
Financial  Statements) and $35.8 million  associated with the arrangements  made
between  Arch,  Benbow and Ms.  Walsh in June 1999 (see note (b) to the Notes to
Consolidated Condensed Financial Statements).

   In June  1998,  Arch  recognized  an  extraordinary  charge  of $1.7  million
representing  the write-off of unamortized  deferred  financing costs associated
with the prepayment of indebtedness under prior credit facilities.

   On  January  1, 1999,  Arch  adopted  SOP 98-5.  SOP 98-5  requires  costs of
start-up  activities and organization costs to be expensed as incurred.  Initial
application  of SOP 98-5 resulted in a $3.4 million charge which was reported as
the  cumulative  effect  of  a  change  in  accounting  principle.  This  charge
represents the unamortized  portion of start-up and organization costs which had
been deferred in prior years.

   Net loss  increased to $111.3 million and $160.9 million in the three and six
months ended June 30, 1999, respectively,  from $62.6 million and $108.4 million
in the three and six months  ended June 30, 1998,  respectively,  as a result of
the factors outlined above.

LIQUIDITY AND CAPITAL RESOURCES

   Arch's business  strategy  requires the availability of substantial  funds to
finance the expansion of existing  operations,  to fund capital expenditures for
pagers and paging system equipment, to service debt and to finance acquisitions.

Capital Expenditures and Commitments

   Arch's  capital  expenditures  decreased from $59.9 million in the six months
ended June 30, 1998 to $57.4 million in the six months ended June 30, 1999. Arch
generally  has  funded  its  capital  expenditures  with  net cash  provided  by
operating activities and the incurrence of debt. Arch believes that it will have
sufficient  cash  available from  operations  and credit  facilities to fund its
capital expenditures for the remainder of the year.

   Arch was formerly  obligated to advance to Benbow sufficient funds to service
debt  obligations  incurred by Benbow in connection  with its acquisition of its
N-PCS licenses and to finance  construction of an N-PCS system unless funds were
available to Benbow from other sources.  This obligation was subject to approval
of Arch's  designee on Benbow's board of directors.  As of March 31, 1999,  Arch
had advanced  approximately $23.7 million to Benbow. In June 1999, Arch, Benbow,
and Benbow's majority stockholder, Ms. June Walsh, agreed that:

   o  the shareholders  agreement,  the management  agreement and the employment
      agreement  governing  the  establishment  and  operation of Benbow will be
      terminated
   o  Benbow  will  not make  any  further  FCC  payments  and  will not  pursue
      construction of an N-PCS system
   o  Arch will not be  obligated  to fund FCC  payments or  construction  of an
      N-PCS  system  by  Benbow
   o  the  parties  will  seek  FCC  approval  of the  forgiveness  of  Benbow's
      remaining  payment  obligations  and the  transfer of Ms.  Walsh's  equity
      interest in Benbow to Arch
   o  the  closing of the  transaction  will occur on the earlier of January 23,
      2001 or receipt of FCC approval
   o  Arch will pay Ms.  Walsh,  in  installments,  an aggregate  amount of $3.5
      million  (if the  transaction  closes  before  January  23,  2001) or $3.8
      million (if the transaction closes on January 23, 2001)

                                       11
<PAGE>

   As a  result  of these  arrangements,  Benbow  will  not have any  meaningful
business operations and is unlikely to retain its N-PCS licenses. The closing of
the  transaction  will not affect the funding  obligations of Arch in connection
with Benbow's acquisition of Page Call in June 1998.

Sources of Funds

   Arch's net cash provided by operating  activities was $36.4 million and $33.7
million  in the six  months  ended June 30,  1999 and 1998,  respectively.  Arch
believes that its capital needs for the  foreseeable  future will be funded with
borrowings  under  current and future  credit  facilities,  net cash provided by
operations and, depending on the Company's needs and market conditions, possible
sales of equity or debt securities.

   Secured Credit Facility

   In March 1999, Arch amended an existing  credit facility to establish  senior
secured revolving credit and term loan facilities with a wholly owned subsidiary
of Arch as borrower in the aggregate amount of $581.0 million consisting of:

   o  Tranche A: a $175.0 million reducing revolving credit facility;
   o  Tranche B: a $100.0 million 364-day  revolving credit facility under which
      the principal  amount  outstanding  on June 27, 1999 was converted  into a
      term loan; and
   o  Tranche C: a $306.0  million  term loan of which  $125.0  million was made
      available in a single drawing on June 29, 1998 and $181.0 million was made
      available in a single drawing on June 3, 1999.

   The amount of these facilities will reduce as time passes.

   Recent Issuance of Notes

   On June 3, 1999,  ACI received the proceeds of an offering of $147.0  million
principal  amount of 13 3/4%  Senior  Notes due 2008  (the "13 3/4%  Notes")  to
qualified  institutional buyers under Rule 144A promulgated under the Securities
Act of 1933,  as  amended.  The 13 3/4% Notes  were sold at an initial  price to
investors of 95.091% for net proceeds of $134.6  million  (after  deducting  the
discount to the Initial  Purchasers  and  offering  expenses)  The 13 3/4% Notes
mature  on April  15,  2008 and bear  interest  at a rate of 13 3/4% per  annum,
payable  semi-annually  in  arrears  on April 15 and  October  15 of each  year,
commencing October 15, 1999.

FACTORS AFFECTING FUTURE OPERATING RESULTS

   The following  important  factors,  among  others,  could cause Arch's actual
operating  results to differ  materially  from those  indicated  or suggested by
forward-looking  statements  made in this Form 10-Q or  presented  elsewhere  by
Arch's management from time to time.

Relating to Operations

   Integrating Arch and MobileMedia presents challenges

   Arch may not be able to successfully integrate MobileMedia's operations.  Any
difficulties  or problems  encountered in the  integration  process could have a
material  adverse effect on Arch.  Even if integrated in a timely manner,  there
can be no assurance that Arch's operating performance will be successful or will
fulfill  management's  objectives.   Until  integration  is  complete,  the  two
companies will continue to operate with some  autonomy.  This degree of autonomy
may blunt the implementation of the combined company's operating strategy.

   The  combination  of the two  companies  will  require,  among other  things,
coordination of administrative, sales and marketing, distribution and accounting
and finance functions and expansion of information and management  systems.  The
integration  process could cause the  interruption  of the activities of the two
businesses,  or a loss of momentum.  The  difficulties  of such  integration may
initially be increased by the necessity of coordinating  geographically separate
organizations and integrating  personnel with disparate business backgrounds and
corporate cultures. Arch may not be able to retain key employees. The process of
integrating   the   businesses   of  Arch  and   MobileMedia   may   require   a
disproportionate amount of time and attention of Arch's management and financial
and other resources of Arch and may involve other, unforeseen difficulties.

                                       12
<PAGE>

   Similar risks will attend future acquisition opportunities which Arch intends
to pursue.  Furthermore,  no assurance  can be given that  suitable  acquisition
transactions can be identified,  financed and completed on acceptable  terms, or
that Arch will participate in any future consolidation of the paging industry.

   Disruption  of  MobileMedia's  operations  that  occurred  during  insolvency
   proceedings may continue

   MobileMedia's  business operations were adversely affected by difficulties in
integrating the operations of certain  businesses  acquired in 1995 and 1996, by
liquidity  problems arising prior to its January 30, 1997 bankruptcy  filing and
by the reluctance of some customers and potential  customers to do business with
MobileMedia  while it operated under Chapter 11. Any continued  deterioration of
MobileMedia's  business,  including  the  loss  of  significant  numbers  of key
employees, could have material adverse effects.

   Downturn in MobileMedia's units in service may continue

   Cancellation  of units in service  can  significantly  affect the  results of
operations  of wireless  messaging  service  providers.  The sales and marketing
costs associated with attracting new subscribers are substantial compared to the
costs of providing service to existing customers. Because the paging business is
characterized by high fixed costs,  cancellations  directly and adversely affect
EBITDA.

   After  filing for  bankruptcy  protection  on January 30,  1997,  MobileMedia
experienced  a  significant  decline  in units in  service.  At March 31,  1999,
MobileMedia  had  3,106,775  units in service  compared  to  3,440,342  units in
service at December 31, 1997. A failure to correct this cancellation trend could
have a material adverse effect on the combined company.

   Competition and technological change may undermine Arch's business

   There can be no assurance that Arch will be able to compete successfully with
current  and future  competitors  in the  paging  business  or with  competitors
offering alternative communication technologies.

   Competition  may  intensify  and  may  adversely  affect  margins.  Arch  and
MobileMedia have each faced  competition from other paging service  providers in
all  markets  in  which  they  operate,  including  some  competitors  who  hold
nationwide  licenses.  Due in part to competitive  conditions,  monthly fees for
basic paging  services have  generally  declined in recent years.  Arch may face
significant  price-based  competition  in the future which could have a material
adverse  effect on its revenues and EBITDA.  Some  competitors  possess  greater
financial,  technical and other resources than Arch. A trend towards  increasing
consolidation   in  the  paging   industry  in   particular   and  the  wireless
communications  industry in general in recent years has led to competition  from
increasingly  larger  and  better  capitalized  competitors.   If  any  of  such
competitors were to devote additional  resources to the paging business or focus
on Arch's or  MobileMedia's  historical  markets,  this  could  have a  material
adverse effect on the combined company.

   New  two-way  paging  technology  may  adversely  affect  Arch's  competitive
position.  Competitors  are currently  using and developing a variety of two-way
paging  technologies.  Neither  Arch nor  MobileMedia  currently  provides  such
two-way services,  other than as a reseller.  Although these services  generally
are higher priced than traditional  one-way paging services,  this situation may
change.  Technological  improvements  could  result in  increased  capacity  and
efficiency  for two-way paging  technologies  and this could result in increased
competition for Arch. Future  technological  advances in the  telecommunications
industry  could  increase new services or products  competitive  with the paging
services  historically  provided by Arch and MobileMedia.  Future  technological
advances  could also require Arch to reduce the price of its paging  services or
incur additional capital expenditures to meet competitive  requirements.  Recent
and  proposed  regulatory  changes  by the FCC are  aimed  at  encouraging  such
technological  advances  and new  services.  Other  forms  of  wireless  two-way
communications  technology  also  compete  with  the  paging  services  that the
combined  company  provides.  These  include  cellular  and  broadband  personal
communications  services,  which are  commonly  referred  to as PCS,  as well as
specialized mobile radio services. Although these services are primarily focused
on two-way voice communications,  many service providers are electing to provide
paging services as an adjunct to their primary services.

   Obsolescence  in  company-owned  units may impose  additional  costs on Arch.
Technological  change may also  adversely  affect the value of the paging  units
owned by Arch that are leased to its subscribers.  If Arch's current subscribers
request more technologically advanced units, including two-way units, Arch could

                                       13
<PAGE>

incur additional inventory costs and capital expenditures if required to replace
units leased to its  subscribers  within a short period of time. Such additional
investment or capital  expenditures  could have a material adverse effect on the
combined company.

   Government regulation may burden operations

   Licenses may not be automatically renewed. Arch's FCC paging licenses are for
varying terms of up to 10 years. When the licenses expire,  renewal applications
must  receive  approval  from  the  FCC.  To  date,  the FCC has  approved  each
assignment  and transfer of control for which Arch and  MobileMedia  have sought
approval;  however, no assurance can be given that any of the combined company's
renewal applications will be free of challenge or will be granted by the FCC.

   Regulatory changes could add burdens or benefit competing  technologies.  The
FCC  continually  reviews  and  revises its rules  affecting  paging  companies.
Therefore,  regulatory  requirements that apply to Arch may change significantly
over time.  Acquisitions of Arch's stock by foreigners could  jeopordize  Arch's
licenses.  The  Communications Act limits foreign investment in and ownership of
radio common  carriers  licensed by the FCC.  Arch may not have more than 25% of
its  stock  owned  or voted  by  aliens  or  their  representatives,  a  foreign
government or its representatives or a foreign corporation if the FCC finds that
the  public  interest  would  be  served  by  denying  such  ownership.   Arch's
subsidiaries  that are  radio  common  carrier  licensees  are  subject  to more
stringent requirements and may have only up to 20% of their stock owned or voted
by   aliens  or  their   representatives,   a   foreign   government   or  their
representatives  or a foreign  corporation.  This  ownership  restriction is not
subject to waiver. Arch's certificate of incorporation permits the redemption of
shares of its capital stock from foreign stockholders where necessary to protect
FCC licenses held by Arch or its  subsidiaries,  but such a redemption  would be
subject to the availability of capital to Arch and any restrictions contained in
applicable debt instruments and under the Delaware corporations  statute.  These
restrictions  currently  would not permit any such  redemptions.  The failure to
redeem shares  promptly  could  jeopardize  the FCC licenses held by Arch or its
subsidiaries.   See  "--High  degree  of  leverage   burdens   operations"   and
"--Competition and technological change may undermine Arch's business".

   Arch cannot  control  third  parties on whom Arch  depends for  products  and
   services

   Arch  does  not  manufacture  any of the  paging  units  used  in its  paging
operations. It is dependent primarily on Motorola and NEC America Inc. to obtain
sufficient  pager  inventory for new  subscriber  and  replacement  needs and on
Glenayre   Electronics,   Inc.  and  Motorola  for   sufficient   terminals  and
transmitters  to meet its expansion and  replacement  requirements.  Significant
delays in obtaining paging units, terminals or transmitters, such as MobileMedia
experienced  before  its  bankruptcy  filing,   could  lead  to  disruptions  in
operations and adverse financial  consequences.  Arch's purchase  agreement with
Motorola expires on March 17, 2000. There can be no assurance that the agreement
with Motorola will be renewed or, if renewed,  that such  agreements  will be on
terms and conditions as favorable to Arch as those under the current agreement.

   Arch  relies on third  parties to  provide  satellite  transmission  for some
aspects of its paging services.  To the extent there are satellite outages or if
satellite  coverage is impaired in other  ways,  Arch may  experience  a loss of
service  until such time as satellite  coverage is restored,  which could have a
material adverse effect.

   Loss of key personnel could adversely impact operations

   Arch's  success will depend,  to a  significant  extent,  upon the  continued
services of a relatively small group of executive personnel.  Arch does not have
employment  agreements with any of its current executive  officers,  or maintain
life insurance on their lives, although all executive officers have entered into
executive  retention  agreements with Arch. The loss or unavailability of one or
more of its  executive  officers  or the  inability  to  attract  or retain  key
employees in the future could have a material adverse effect on Arch.

   Divisional reorganization may not achieve objectives

   Arch  is  currently   reorganizing  its  operating   divisions.   Once  fully
implemented, this divisional reorganization is expected to result in annual cost
savings of approximately $15.0 million.  Arch recorded a restructuring charge of
$14.7 million in 1998.  There can be no assurance that the expected cost savings
will  be  achieved  or  that  the  reorganization  of  Arch's  business  will be

                                       14
<PAGE>

accomplished  smoothly,  expeditiously or successfully.  The difficulties of the
divisional   reorganization   may  be   increased   by  the  need  to  integrate
MobileMedia's  operations  in  many  locations  and  to  combine  two  corporate
cultures.  See "Management's  Discussion and Analysis of Financial Condition and
Results of Operations--Divisional Reorganization".

   Impact of the Year 2000 issue is not fully known

   The Year 2000 problem is the result of computer  programs being written using
two digits (rather than four) to define the applicable year. Any of the combined
company's programs that have time-sensitive  software may recognize a date using
"00" as the year 1900 rather than the year 2000.  This could  result in a system
failure or miscalculations causing disruptions of operations,  including,  among
other things, a temporary  inability to process  transactions,  send invoices or
engage in similar normal business activities.

   Arch has created a  cross-functional  Y2K  project  group to work on the Year
2000 problem.  The Y2K project group is continuing  its analysis of external and
internal  areas likely to be affected by the Year 2000  problem and  classifying
the  identified  areas of concern into either a mission  critical or non-mission
critical  status.  For external areas,  Arch has  distributed,  and continues to
distribute,  surveys  requesting  information  about the Year 2000  readiness of
certain vendors. As part of its evaluation of Year 2000 vulnerability related to
its pager and paging  equipment  vendors,  Arch has discussed  with such vendors
their  efforts to identify  potential  issues  associated  with their  equipment
and/or software.  Internally,  Arch is completing an inventory audit of hardware
and software testing for both its corporate and divisional operations.

   Arch  is in the  process  of  reviewing,  evaluating  and,  where  necessary,
modifying or replacing its computerized systems and applications to enable it to
be  Year  2000  ready.  This  includes  both  information  and   non-information
technology  systems.  Any  failure of systems or  products to be Year 2000 ready
could have a material  adverse effect on Arch's business,  financial  condition,
results of operations or prospects.

   The costs  associated with the  replacement of hardware,  software and paging
equipment have been capitalized and amortized in accordance with Arch's existing
accounting  policies and any future costs  relating  thereto will be capitalized
and amortized in a similar manner.  Maintenance or modification costs have been,
and will be expensed as  incurred.  Based on Arch's costs  incurred to date,  as
well as estimated  costs to be incurred later in 1999, Arch does not expect that
resolution of the Year 2000 problem will have a material  adverse  effect on its
results of operations  and financial  condition.  Costs of the Year 2000 project
are based on current  estimates and actual results may vary  significantly  from
such estimates once plans are further developed and implemented.

   Although   Arch   and   MobileMedia   each   began   testing   its   internal
business-related  hardware and software  applications  in 1998,  there can be no
assurance  that such testing has detected or will detect all  applications  that
may be affected by Year 2000 compliance  problems.  Arch's  objective is to make
its internal  computer systems Year 2000 ready by end of year 1999 but there can
be no assurance  that this objective  will be met.  Furthermore,  it is possible
that one or more mission critical vendors, such as utility providers,  telephone
carriers,  other paging carriers,  satellite carriers or other telecommunication
providers,  may not be Year 2000  compliant.  Because  of the  unique  nature of
vendors,   alternative  providers  of  these  services  may  not  be  available.
Furthermore,  all  pagers  and  paging-related  equipment  used by Arch  and its
customers are manufactured by third parties. Although Arch has initiated testing
of such equipment, it has relied to a large extent on the representations of its
vendors with respect to their readiness and cannot offer any assurance about the
accuracy of its vendors' representations.

   Arch is designing and  implementing  contingency  plans  relating to the Year
2000  problem,   identifying  the  likely  risks  and  determining  commercially
reasonable  solutions.  Arch  intends  to  complete  its Year  2000  contingency
planning during calendar year 1999.

   Continued losses are likely

   Arch expects to continue to report net losses for the foreseeable  future and
cannot predict when, if ever, it is likely to attain profitability.

                                       15
<PAGE>

   Arch and MobileMedia have reported losses in all but one of the periods shown
in the table below:

                                                                Three Months
                                                                   Ended
                                    Year Ended December 31,       March 31,
                                  1996        1997      1998        1999
                                  ----        ----      ----        ----
     Net income (loss):                   (dollars in millions)
           Arch                $  (114.7)   $(181.9)   $(206.1)    $(49.1)
           MobileMedia         $(1,059.9)   $(124.6)   $  35.6     $ (7.7)

   Furthermore,  MobileMedia  had net income during the year ended  December 31,
1998 solely because of a $94.2 million gain on the sale of  transmission  towers
and related equipment. After giving effect to the MobileMedia acquisition,  Arch
would have incurred,  on a pro forma basis, losses before  extraordinary item of
$193.2  million for the year ended  December 31, 1998 and $60.1  million for the
three  months  ended  March  31,  1999.  For both  Arch and  MobileMedia,  these
historical net losses have resulted  principally from  substantial  depreciation
and  amortization  expense,  primarily  related to  intangible  assets and pager
depreciation,  interest expense, the impairment of long-lived assets in the case
of MobileMedia and other costs of growth.  Substantial and increased  amounts of
debt are expected to be outstanding for the foreseeable future. This will result
in significant  additional  interest expense which could have a material adverse
effect on Arch's future income or loss.  See "--Funding for future capital needs
is not assured" and "--High degree of leverage burdens operations".

   Revenues and operating results may fluctuate

   Arch believes that future  fluctuations in its revenues and operating results
may occur due to many factors,  including competition,  subscriber turnover, new
service developments and technological  change.  Arch's current and planned debt
repayment levels are, to a large extent,  fixed in the short term, and are based
in part on its expectations as to future revenues and cash flow growth. Arch may
be unable to adjust spending in a timely manner to compensate for any revenue or
cash flow  shortfall.  It is possible that, due to future  fluctuations,  Arch's
revenue,  cash  flow or  operating  results  may not  meet the  expectations  of
securities analysts or investors. This may have a material adverse effect on the
price of Arch's common stock.  If shortfalls  were to cause Arch not to meet the
financial  covenants  contained in its debt  instruments,  the debtholders could
declare a default and seek immediate repayment.

Relating to Liquidity, Capital Resources and Capital Structure.

   High degree of leverage burdens operations

   Each of Arch and  MobileMedia  has been highly  leveraged,  and the  combined
company expects to continue to be highly leveraged. The following table compares
the total debt,  total  assets and latest  three-month  annualized  adjusted pro
forma EBITDA of Arch at or as of June 30, 1999.


                                             (dollars in millions)
       Total debt                                 $ 1,365.1
       Total assets                               $ 1,489.0
       Annualized adjusted pro forma EBITDA         $ 251.1


   Adjusted EBITDA is not a measure defined in GAAP and should not be considered
in  isolation  or as a  substitute  for  measures  of  performance  prepared  in
accordance  with  GAAP.   Adjusted  EBITDA,  as  determined  by  Arch,  may  not
necessarily  be comparable to similarly  titled data of other paging  companies.
Arch's high degree of leverage may have  adverse  consequences  for Arch.  These
include the following:

   o  High leverage may impair or extinguish Arch's ability to obtain additional
      financing   necessary   for   acquisitions,   working   capital,   capital
      expenditures or other purposes on acceptable terms, if at all.

   o  A substantial portion of Arch's cash flow will be required to pay interest
      expense; this will reduce the funds which would otherwise be available for
      operations and future business opportunities.

                                       16
<PAGE>

   o  Arch's credit facilities and indentures  contain financial and restrictive
      covenants;  the  failure to comply with these  covenants  may result in an
      event of default which could have a material adverse effect on Arch if not
      cured or waived.

   o  Arch may be more highly leveraged than its competitors  which may place it
      at a competitive disadvantage.

   o  Arch's high degree of leverage will make it more  vulnerable to a downturn
      in its business or the economy generally.

   o  Arch's high degree of leverage  may impair its ability to  participate  in
      the future consolidation of the paging industry.

   There can be no  assurance  that Arch  will be able to reduce  its  financial
leverage  as it  intends,  nor that Arch will  achieve  an  appropriate  balance
between growth which it considers  acceptable and future reductions in financial
leverage.  If Arch is not able to achieve  continued growth in EBITDA, it may be
precluded  from  incurring  additional  indebtedness  due to cash flow  coverage
requirements under existing debt instruments.

   Debt instruments restrict operations

   Various debt instruments impose operating and financial restrictions on Arch.
Arch's secured credit facility  requires various Arch operating  subsidiaries to
maintain  specified  financial ratios,  including a maximum leverage ratio and a
minimum fixed charge coverage  ratio.  In addition,  the secured credit facility
limits or restricts, among other things, the operating subsidiaries' ability to:

   o declare dividends or redeem or repurchase capital stock;

   o prepay, redeem or purchase debt;

   o incur liens and engage in sale/leaseback transactions;

   o make loans and investments;

   o incur indebtedness and contingent obligations;

   o amend or otherwise alter debt instruments and other material agreements;

   o engage in mergers, consolidations, acquisitions and asset sales;

   o engage in transactions with affiliates; and

   o alter its lines of business or accounting methods.

   Other debt instruments limit, among other things:

   o the incurrence of additional indebtedness by Arch and its subsidiaries;

   o the  payment of  dividends  and other  restricted  payments by Arch and its
subsidiaries;

   o asset sales;

   o transactions with affiliates;

   o the incurrence of liens; and

   o mergers and consolidations.

   Arch's ability to comply with such covenants may be affected by events beyond
its control, including prevailing economic and financial conditions. A breach of
any of these  covenants  could  result in a default  under  the  secured  credit
facility  and/or  other debt  instruments.  Upon the  occurrence  of an event of
default,  the  creditors  could elect to declare all amounts  outstanding  to be
immediately due and payable,  together with accrued and unpaid interest. If Arch
were unable to repay any such  amounts,  the  secured  creditors  could  proceed
against the collateral  securing a portion of the  indebtedness.  If the lenders
under the secured  credit  facility or other debt  instruments  accelerated  the
payment of such indebtedness,  there can be no assurance that the assets of Arch
would be sufficient to repay in full such indebtedness and other indebtedness of
Arch.  In  addition,   because  the  secured  credit  facility  and  other  debt

                                       17
<PAGE>

instruments limit Arch's ability to engage in certain  transactions except under
certain  circumstances,  Arch may be prohibited from entering into  transactions
that could be beneficial to Arch.

   Funding for future capital needs is not assured

   Arch's  business  strategy  requires  substantial  funds to be  available  to
finance  the  continued  development  and  future  growth and  expansion  of its
operations, including possible acquisitions.  Future amounts of capital required
by Arch will depend upon a number of factors.  These factors include  subscriber
growth,  the type of paging devices and services demanded by customers,  service
revenues, technological developments,  marketing and sales expenses, competitive
conditions,  the nature  and timing of Arch's  N-PCS  strategy  and  acquisition
strategies and  opportunities.  No assurance can be given that additional equity
or debt financing will be available to Arch when needed on acceptable  terms, if
at all. If  sufficient  financing is  unavailable  when needed,  this may have a
material adverse effect on Arch. See "--Liquidity and Capital Resources".

   Charter provisions may impede takeovers of Arch

   Arch's  certificate  of  incorporation  and by-laws  provide for a classified
board of directors,  the issuance of "blank check"  preferred  stock whose terms
may be fixed by Arch's board of directors without further stockholder  approval,
a prohibition on stockholder  action by written consent in lieu of a meeting and
certain procedural  requirements governing stockholder meetings. Arch also has a
stockholders rights plan. In addition,  Section 203 of the Delaware corporations
statute  will,  with  certain  exceptions,  prohibit  Arch from  engaging in any
business  combination with any "interested  stockholder" for a three-year period
after such stockholder  becomes an interested  stockholder.  Such provisions may
have the effect of delaying,  making more  difficult  or  preventing a change in
control  or  acquisition  of  Arch  even  though  such a  transaction  might  be
beneficial to Arch's stockholders.

   Trading prices may be volatile

   The market  price of Arch's  common stock has been  experiencing  significant
fluctuation and has declined  materially since 1996. Between January 1, 1998 and
August 4, 1999,  the reported sale price of common stock on the Nasdaq  National
Market has ranged  from a high of  $20.8125  per share in April 1998 to a low of
$2.0625 per share in October 1998. The trading price of common stock will likely
be affected by numerous  factors.  These  include the factors  affecting  future
operating  results set forth in this  quarterly  report,  as well as  prevailing
economic and financial trends and conditions in the public  securities  markets.
Share prices of paging  companies  such as Arch have  exhibited a high degree of
volatility  during  recent  periods.  Shortfalls  in revenues or EBITDA from the
levels anticipated by the public markets could have an immediate and significant
adverse  effect on the trading price of Arch's common stock in any given period.
Shortfalls may result from events that are beyond Arch's  immediate  control and
can be unpredictable. The trading price of Arch's shares may also be affected by
developments which may not have any direct  relationship with Arch's business or
long-term  prospects.  These include reported financial results and fluctuations
in trading  prices of the shares of other  publicly held companies in the paging
industry generally.



Item 3. Quantitative and Qualitative Disclosures About Market Risk

   The  majority of the  Company's  long-term  debt is subject to fixed rates of
interest or interest rate protection. In the event that the interest rate on the
Company's non-fixed rate debt fluctuates by 10% in either direction, the Company
believes  the  impact on its  results of  operations  would be  immaterial.  The
Company transacts  infrequently in foreign currency and therefore is not exposed
to significant foreign currency market risk.



                           PART II. OTHER INFORMATION

Item 1. Legal Proceedings

   The Company is involved in various  lawsuits and claims arising in the normal
course of business.  The Company  believes that none of such matters will have a
material adverse effect on the Company's business or financial condition.



                                       18
<PAGE>

Item 2. Changes in Securities and Use of Proceeds

         None.


Item 3. Defaults upon Senior Securities

         None.

Item 4. Submission of Matters to a Vote of Security Holders

   At the  Company's  Annual  Meeting of  Stockholders  held on May 18, 1999 the
following proposals were adopted by the vote specified below:
<TABLE>
<CAPTION>

                                                                                                   Broker
   Proposal                                                 For*          Against*     Abstain*    Nonvotes*
   --------                                                 ----          --------     --------    ---------
   <S>                                                      <C>           <C>          <C>         <C>
      To elect two directors of the Company
   1.  James S. Hughes                                      20,002,427           --    615,804          --
   2.  Allan L. Rayfield                                    20,000,922           --    617,309          --

   3. To approve amendments to the Company's Non-
      Employee  Directors' Stock Option Plan (a)
      increasing the number of shares of Common Stock
      issuable under such plan from 80,200* to 140,000*
      and (b) providing  that all options granted under
      such plan after May 18, 1999 shall become fully
      exercisable on the date of grant.                     16,994,971    3,480,351     73,961      68,948

   4. To ratify the selection by the Board of Directors of
      Arthur Andersen LLP as the independent public
      accountants for the Company for the fiscal year
      ending December 31,  1999.                            20,517,821       39,582     60,828          --
   ------------------
<FN>
   *  Does not reflect the June 1999 one-for-three reverse stock split of Arch's
      common stock
</FN>
</TABLE>


Item 5. Other Information

   Stockholder Proposals for 2000 Annual Meeting

   As set forth in the Company's  Proxy Statement for its 1999 Annual Meeting of
Stockholders,  stockholder  proposals submitted pursuant to Rule 14a-8 under the
Exchange Act for inclusion in the Company's  proxy materials for its 2000 Annual
Meeting of Stockholders  must be received by the Secretary of the Company at the
principal offices of the Company no later than December 17, 1999.

   In addition,  the Company's By-laws require that the Company be given advance
notice  of  stockholder  nominations  for  election  to the  Company's  Board of
Directors and of other matters which  stockholders wish to present for action at
an annual meeting of stockholders  (other than matters included in the Company's
proxy statement in accordance with Rule 14a-8). The required notice must be made
in  writing  and  delivered  or mailed to the  Secretary  of the  Company at the
principal  offices of the  Company,  and received not less than 80 days prior to
the 2000 Annual Meeting; provided, however, that if less than 90 days' notice or
prior  public  disclosure  of the  date  of the  meeting  is  given  or  made to
stockholders,  such  nomination  shall  have  been  mailed or  delivered  to the
Secretary  not later than the close of  business on the 10th day  following  the
date on which the notice of the meeting was mailed or such public disclosure was
made,  whichever occurs first. The 2000 Annual Meeting is currently  expected to
be held on May 16, 2000.  Assuming  that this date does not change,  in order to
comply with the time  periods set forth in the  Company's  By-Laws,  appropriate
notice would need to be provided no later than February 25, 2000.


                                       19
<PAGE>


Item 6. Exhibits and Reports on Form 8-K

      (a) The exhibits listed on the accompanying index to exhibits are filed as
      part of this Quarterly Report on Form 10-Q.

      (b) The following reports on Form 8-K were filed for the quarter for which
      this report is filed.

         Current  Report  on Form 8-K  dated  April  28,  1999  (reporting  that
         supplements to the Company's prospectus dated January 5, 1999 and proxy
         statement/prospectus  dated December 18, 1998 were  distributed)  filed
         April 29, 1999.

         Current  Report  on Form 8-K  dated May 14,  1999  (reporting  that the
         Rights Agreement was amended) filed May 20, 1999.

         Current Report on Form 8-K dated June 3, 1999 (reporting the completion
         of the MobileMedia Merger) filed June 18, 1999.

         Amendment  No. 1 to  Current  Report  dated  June 3, 1999 on Form 8-K/A
         (filing  MobileMedia's  financial  statements  and  certain  pro  forma
         financial statements) filed June 24, 1999.

         Current Report on Form 8-K dated June 28, 1999 (reporting the Company's
         one-for-three reverse stock split) filed June 28, 1999.




                                       20
<PAGE>


                                   SIGNATURES

   Pursuant to the  requirements  of the  Securities  Exchange Act of 1934,  the
Registrant  has duly caused this report on Form 10-Q for the quarter  ended June
30,  1999,  to be  signed  on its  behalf  by  the  undersigned  thereunto  duly
authorized.

                                         ARCH COMMUNICATIONS GROUP, INC.


Dated:  August 13, 1999                  By: /s/ J. Roy Pottle
                                            -------------------------------
                                             J. Roy Pottle
                                             Executive Vice President and
                                             Chief Financial Officer


                                       21
<PAGE>


                                INDEX TO EXHIBITS


 Exhibit     Description
  10.1   -   Amendment No. 4 to the Second Amended and Restated Credit Agreement
               (Tranche A and Tranche C Facilities).
  10.2   -   Amendment No. 4 to the Second Amended and Restated Credit Agreement
               (Tranche B Facility).
  10.3+  -   Paging Products Sales Agreement, dated March 17, 1999, by and
               between Motorola, Inc. and the Company.
  10.4+  -   Satellite Services Agreement, dated September 1, 1998, between
               AvData Systems, Inc. and MobileMedia Communications, Inc.
  10.5   -   Master Lease For Transmitter Systems Space by and between Pinnacle
               Towers, Inc. and MobileMedia Communications, Inc.
  27.1   -   Financial Data Schedule.
  _____________
  +    A Confidential Treatment Request has been filed with respect to portions
       of this exhibit



                                                                    EXHIBIT 10.1

                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


   AMENDMENT  NO. 4 (this  "Amendment"),  dated as of March 31, 1999,  under the
Second  Amended  and  Restated  Credit  Agreement   (Tranche  A  and  Tranche  C
Facilities),  dated as of June 29,  1998,  by and among Arch Paging,  Inc.  (the
"Borrower"),  the Lenders  party  thereto,  The Bank of New York,  Royal Bank of
Canada,  Toronto  Dominion  (Texas),  Inc.  and  Barclays  Bank PLC, as Managing
Agents,  Royal Bank of Canada, as Documentation Agent, Toronto Dominion (Texas),
Inc., as Syndication  Agent, and The Bank of New York, as Administrative  Agent,
as amended by Amendment No. 1, dated as of September 14, 1998,  Amendment No. 2,
dated as of December 8, 1998 and  Amendment No. 3 and Consent No. 1, dated as of
February 22, 1999 (as so amended, the "Credit Agreement").


                                    RECITALS


   A. Capitalized  terms used herein which are not defined herein shall have the
respective meanings ascribed thereto in the Credit Agreement as amended hereby.

   B. The Borrower has requested that certain provisions of the Credit Agreement
be amended in  connection  with the  MobileMedia  Merger and the  Administrative
Agent and the Lenders  signing below are willing to agree thereto subject to the
terms and conditions hereinafter set forth.

   Accordingly,  in consideration of the Recitals and the covenants,  conditions
and  agreements   hereinafter  set  forth,  and  for  other  good  and  valuable
consideration,  the receipt and adequacy of which are hereby  acknowledged,  the
parties hereto agree as follows:

   1. Clause (b) of the definition of "Applicable  Margin"  contained in Section
1.1 of Credit Agreement is amended in its entirety to read as follows:

         (b) On and after the Merger Effective Date:

            (i) As to the  Tranche A Loans and  Letters of Credit,  at
         all times during the applicable  periods set forth below: (1)
         with  respect  to  the  unpaid   principal   amount   thereof
         consisting of ABR Advances,  the  applicable  percentage  set
         forth in the following  table under the heading "ABR" and (2)
         with  respect  to (x) the  unpaid  principal  amount  thereof
         consisting of Eurodollar  Advances,  and (y) Letter of Credit
         Fees,  the  applicable  percentage set forth in the following
         table under the heading "Eurodollar and LC Rate":

<PAGE>

         -------------------------------------------------------
         PRICING LEVERAGE RATIO
         -------------------------------------------------------
         --------------  -------------  ---------  -------------
         Greater Than                              Eurodollar
         or Equal To     Less Than      ABR        and LC Rate
         --------------  -------------  ---------  -------------
         --------------  -------------  ---------  -------------
         4.50:1.00                      1.875%     3.125%
         --------------  -------------  ---------  -------------
         --------------  -------------  ---------  -------------
         4.00:1.00       4.50:1.00      1.500%     2.750%
         --------------  -------------  ---------  -------------
         --------------  -------------  ---------  -------------
         3.00:1.00       4.00:1.00      1.125%     2.375%
         --------------  -------------  ---------  -------------
         --------------  -------------  ---------  -------------
                         3.00:1.00      0.750%     2.000%
         --------------  -------------  ---------  -------------


            (ii) As to the Tranche C Loans:

            (A) If there are bona fide trades of the Applicable  Notes
         on at least six Business Days during the Calculation  Period,
         the  Applicable  Margin for Tranche C Loans for the period on
         and after the Merger Effective Date shall be (1) with respect
         to the unpaid  principal  amount  thereof  consisting  of ABR
         Advances,  the Average  Spread for ABR  Advances  (as defined
         below) and (2) with  respect to the unpaid  principal  amount
         thereof consisting of Eurodollar Advances, the Average Spread
         for Eurodollar Advances (as defined below),  provided that in
         no event will the Applicable Margin on Tranche C Loans (1) be
         less than 3.00% in the case of ABR  Advances  and (2) be less
         than 4.250% in the case of Eurodollar Advances.  For purposes
         of this clause (b)(ii)(A), the following terms shall have the
         meanings set forth below:

               "Applicable  Notes":  the New Arch Notes or the Arch 12
            3/4% Senior Notes.

               "Average  Spread  for  Eurodollar  Advances":   a  rate
            (expressed  as a  percentage  rounded to the next  highest
            0.125%) equal to the Average Trading Yield on the New Arch
            Notes  or the  Average  Trading  Yield on the Arch 12 3/4%
            Senior Notes,  whichever is greater,  minus the sum of (i)
            the  average  total  return on such date for  interpolated
            seven year treasury notes during the  Calculation  Period,
            (ii) the average  swap rate from seven year fixed to seven
            year floating rate and (iii) a premium of 200 basis points
            (reflecting the senior status of the Tranche C Loans).

               "Average  Spread for ABR Advances":  the Average Spread
            for Eurodollar Advances minus 1.25%.

               "Average Trading Yield": means, with respect to each of
            the  Applicable  Notes,  the average of the  yields,  on a
            yield to worst  basis,  of the  mid-market  price for such
            Applicable  Notes during the  Calculation  Period based on
            the number of days during the Calculation  Period on which
            there were bona fide trades of such Applicable  Notes. For


                                  2
<PAGE>

            any Business Day during the Calculation Period, the yield,
            on a yield to worst  basis,  of the  mid-market  price for
            each of the  Applicable  Notes shall be the average of the
            mid-market  prices as quoted  by Bear  Stearns & Co.  Inc.
            ("Bear  Stearns")  and by TD Securities as of the close of
            trading on such Business Day for such Applicable Notes. If
            the average for the  Calculation  Period of the mid-market
            price  quoted by Bear  Stearns and TD  Securities  for the
            Applicable  Notes  differs by more than 37.5 basis points,
            the  mid-market  price  for  determining  the yield on the
            Applicable  Notes for the Calculation  Period shall be the
            average of the mid-market prices for such Applicable Notes
            for the Calculation  Period as quoted by Bear Stearns,  TD
            Securities and BNY Capital Markets. The "mid-market price"
            quoted  by any  person  on any  Business  Day shall be the
            average  of the bid and  asked  price  as  quoted  by such
            person as of the close of business on such Business Day.

               "Calculation  Period": the ten Business Day period from
            and including the sixth Business Day after the issuance of
            the New Arch Notes to and  including the 15th Business Day
            after the issuance of the New Arch Notes.

            (B) If there  are not bona fide  trades of the  Applicable
         Notes on at least six  Business  Days during the  Calculation
         Period,  the  Applicable  Margin for  Tranche C Loans for the
         period on and after the  Merger  Effective  Date shall be (1)
         with  respect  to  the  unpaid   principal   amount   thereof
         consisting of ABR Advances,  5.625%,  and (2) with respect to
         the unpaid principal amount thereof  consisting of Eurodollar
         Advances, 6.875%.

            (iii) Changes in the Applicable Margin described in clause
         (b)(i) above resulting from a change in the Pricing  Leverage
         Ratio,  as set forth in a  Compliance  Certificate  delivered
         pursuant to Section 7.1(c)  evidencing  such a change,  shall
         become  effective upon the second  Business Day following the
         delivery by the Borrower to the Administrative Agent of a new
         Compliance  Certificate pursuant to Section 7.1(c) evidencing
         a change in the Pricing Leverage Ratio. If the Borrower shall
         fail to deliver a Compliance Certificate within 60 days after
         the end of each of the first  three  fiscal  quarters  (or 90
         days after the end of the last fiscal quarter) as required by
         Section  7.1(c),  the  Pricing  Leverage  Ratio,  solely  for
         purposes  of  calculating  the  Applicable  Margin,  shall be
         deemed to be greater than  4.50:1.00  from and  including the
         date on which such Compliance  Certificate was required to be
         delivered to the date of delivery to the Administrative Agent
         of such Compliance Certificate.



                                  3
<PAGE>

   2. The definition of "Commitment Fee Percentage"  contained in Section 1.1 of
Credit Agreement is amended in its entirety to read as follows:

         (a) (i)  Prior to the  Merger  Effective  Date,  at all times
      during the  applicable  periods set forth below,  the applicable
      percentage  set  forth  below  next  to  the  words  "Tranche  A
      Commitment":

      ------------------------------------ ------------------------- ---------
                                           Applicable
      Period                               Commitment                Margin
      ------------------------------------ ------------------------- ---------
      ------------------------------------ ------------------------- ---------
      when the Pricing Leverage Ratio is   Tranche A Commitment      0.5000%
      greater than or equal to 4.00:1.00
      ------------------------------------ ------------------------- ---------
      ------------------------------------ ------------------------- ---------
      when the Pricing Leverage Ratio is   Tranche A Commitment      0.3750%
      less than 4.00:1.00
      ------------------------------------ ------------------------- ---------


         (ii) Changes in the Commitment Fee Percentage  resulting from
      a  change  in the  Pricing  Leverage  Ratio,  as set  forth in a
      Compliance  Certificate  delivered  pursuant  to Section  7.1(c)
      evidencing such a change, shall become effective upon the second
      Business  Day  following  the  delivery  by the  Borrower to the
      Administrative Agent of a new Compliance Certificate pursuant to
      Section  7.1(c)  evidencing  a change  in the  Pricing  Leverage
      Ratio.  If the  Borrower  shall  fail to  deliver  a  Compliance
      Certificate  within  60 days  after the end of each of the first
      three  fiscal  quarters  (or 90 days  after  the end of the last
      fiscal  quarter)  as  required  by Section  7.1(c),  the Pricing
      Leverage   Ratio,   solely  for  purposes  of  calculating   the
      Commitment  Fee  Percentage,  shall be deemed to be greater than
      4.00:1.00  from and including the date on which such  Compliance
      Certificate was required to be delivered to the date of delivery
      to the Administrative Agent of such Compliance Certificate.

         (b) On and after the Merger Effective Date, 0.500%.

   3. Section 1.1 of the Credit Agreement is amended by adding the following new
definition thereof in its appropriate alphabetical order:

            "New  Capital"  shall  mean  all  capital  raised  by  the
         Borrower  or any of its  Affiliates  in  connection  with the
         consummation  of  the  MobileMedia  Transactions,  including,
         without  limitation,  (A) the Additional Tranche C Loans, (B)
         the  proceeds of any debt  offering  (including  the New Arch
         Notes),  and (C) the proceeds of any equity  issuance  (other
         than the  rights  offering  contemplated  by the  MobileMedia
         Merger Documents in the anticipated amount of $217,000,000).



                                  4
<PAGE>

   4.  Section  8.3(iv)(S)(4)  of the  Credit  Agreement  shall  be  amended  by
substituting "June 30, 1999" for "March 31, 1999" on the second line thereof.

   5. Section 8.3(iv)(C) is amended in its entirety to read as follows:

               (C) New Capital; Officer's Certificate. Arch shall have
            (1)   raised   New   Capital   in  a  minimum   amount  of
            $320,000,000,  of which at least  $125,000,000 shall be in
            the form of  additional  notes  issued by Arch or, if Arch
            Escrow  shall  have  issued  such  notes,  Arch shall have
            assumed the  obligations of Arch Escrow in respect thereof
            (in  either  case,  the "New  Arch  Notes")  on terms  and
            conditions   satisfactory  to  the  Managing  Agents,  (2)
            received  proceeds in an amount not less than $320,000,000
            (less customary  underwriting  discounts,  commissions and
            related  expenses)  from the  issuance of such New Capital
            (either  directly  or  as a  result  of  the  Arch  Escrow
            Merger),  and  (3) the  Administrative  Agent  shall  have
            received  a  certificate  of a  Financial  Officer  of the
            Borrower, dated the Merger Effective Date, in all respects
            satisfactory  to  the  Administrative   Agent  as  to  the
            foregoing matters and, unless theretofor  delivered to the
            Administrative  Agent,  attaching  a  true,  complete  and
            correct  copy  of  each of the  New  Arch  Indenture,  any
            security   agreement   or  other   document   executed  in
            connection  therewith and the Offering Memorandum or other
            disclosure document,  if any, in respect thereof,  each of
            which shall be in form and substance  satisfactory  to the
            Managing Agents.

   6. Paragraphs 1-5 of this Amendment shall not be effective until the prior or
simultaneous  fulfillment of the following  conditions (the "Amendment Effective
Date"):

      (a) The  Administrative  Agent shall have  received this  Amendment,  duly
   executed  by a duly  authorized  officer or  officers  of the  Borrower,  the
   Parent,  the Subsidiary  Guarantors,  the  Administrative  Agent and Required
   Lenders.

      (b) The  Administrative  Agent shall have received  Amendment No. 4, dated
   the date hereof,  to the Tranche B Credit  Agreement  (the  "Tranche B Credit
   Agreement Amendment"), duly executed by a duly authorized officer or officers
   of the Borrower,  the Parent, the Subsidiary  Guarantors,  the Administrative
   Agent and Required Lenders (each under and as defined in the Tranche B Credit
   Agreement).

      (c) The  Administrative  Agent shall have  received a  certificate  of the
   Secretary or Assistant  Secretary of the  Borrower:  (i) attaching a true and
   complete copy of the  resolutions  of its Managing  Person  authorizing  this
   Amendment in form and substance  satisfactory  to the  Administrative  Agent,
   (ii) certifying that its  certificate of  incorporation  and by-laws have not
   been amended since June 29, 1998, or, if so, setting forth the same and (iii)
   setting  forth the  incumbency  of its officer or officers  who may sign this
   Amendment,  including  therein  a  signature  specimen  of  such  officer  or
   officers.

      (d) The Administrative  Agent shall have received an opinion of counsel to
   the Borrower, in form and substance satisfactory to the Managing Agents.



                                       5
<PAGE>

      (e) All fees due and payable on or prior to the Amendment  Effective  Date
   shall have been paid.

      (f) The  representations  and  warranties  contained in the Loan Documents
   shall be true and correct in all material respects (except to the extent such
   representations and warranties specifically relate to an earlier date) and no
   Default or Event of Default shall exist, and the  Administrative  Agent shall
   have  received  a  certificate  of an  officer  of the  Borrower,  dated  the
   Amendment Effective Date, certifying to such effect.

      (g) The  Administrative  Agent shall have received such other documents as
   it shall reasonably request.

   10. The  Borrower  and the Parent  each hereby (i)  reaffirms  and admits the
validity  and  enforceability  of the  Credit  Agreement  (as  amended  by  this
Amendment) and the other Loan Documents and all of its  obligations  thereunder,
(ii)  represents  and warrants that there exists no Default or Event of Default,
and (iii)  represents  and  warrants  that the  representations  and  warranties
contained in the Loan  Documents,  including the Credit  Agreement as amended by
this  Amendment  (other than the  representations  and  warranties  made as of a
specific  date) are true and correct in all  material  respects on and as of the
date hereof,  except to the extent that such  representations and warranties are
no  longer  true or  correct  as a  result  of  events,  acts,  transactions  or
occurrences  after the Second  Restatement  Effective  Date which are  permitted
under the Credit Agreement.

   11. This  Amendment  may be executed in any number of  counterparts,  each of
which shall be an original and all of which shall  constitute one agreement.  It
shall not be necessary  in making proof of this  Amendment to produce or account
for more than one counterpart signed by the party to be charged.

   12. This  Amendment is being  delivered in and is intended to be performed in
the State of New York and shall be construed and enforceable in accordance with,
and be governed by, the internal laws of the State of New York without regard to
principles of conflict of laws.

   13.  Except  as  amended  hereby,  the  Credit  Agreement  shall in all other
respects remain in full force and effect.


                                       6
<PAGE>





   IN WITNESS  WHEREOF,  the parties  hereto have caused this Amendment No. 4 to
the Second  Amended  and  Restated  Credit  Agreement  (Tranche A and  Tranche C
Facilities)  to be  duly  executed  and  delivered  by  their  proper  and  duly
authorized officers as of the day and year first above written.


                                   ARCH PAGING, INC.


                                   By:

                                   Name:

                                   Title:



<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   THE BANK OF NEW YORK,
                                   Individually, as Letter of Credit Issuer, as
                                   Managing Agent and as Administrative Agent


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   TORONTO DOMINION (TEXAS), INC.,
                                   Individually, as Managing Agent and as
                                   Syndication Agent


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   ROYAL BANK OF CANADA,
                                   Individually, as Managing Agent and as
                                   Documentation Agent


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   BARCLAYS BANK PLC, Individually and as a
                                   Managing Agent


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   FIRST UNION NATIONAL BANK


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   VAN KAMPEN PRIME RATE INCOME TRUST


                                   By:

                                   Name:

                                   Title:





<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   VAN KAMPEN CLO I, LIMITED

                                   By:      Van Kampen Management, Inc.,
                                            as Collateral Manager


                                   By:

                                   Name:

                                   Title:





<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   PNC BANK, NATIONAL ASSOCIATION


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   FLEET NATIONAL BANK


                                   By:

                                   Name:

                                   Title:






<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   BANKBOSTON, N.A.


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   GENERAL ELECTRIC CAPITAL CORPORATION


                                   By:

                                   Name:

                                   Title:






<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   SUNTRUST BANK, CENTRAL FLORIDA, N.A.


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   SOCIETE GENERALE


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   BEAR STEARNS INVESTMENT PRODUCTS INC.


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   MORGAN STANLEY DEAN WITTER PRIME INCOME TRUST


                                   By:

                                   Name:

                                   Title:






<PAGE>



                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   KZH CNC LLC


                                   By:

                                   Name:

                                   Title:




<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   THE PRUDENTIAL INSURANCE
                                   COMPANY OF AMERICA


                                   By:

                                   Name:

                                   Title:







<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   FRANKLIN FLOATING RATE TRUST


                                   By:

                                   Name:

                                   Title:



<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                          (TRANCHE A AND C FACILITIES)


                                   CONSENTED TO BY:

                                   ARCH CONNECTICUT VALLEY, INC.
                                   ARCH COMMUNICATIONS ENTERPRISES, LLC

                                   AS TO EACH OF THE FOREGOING:


                                   By:

                                   Name:

                                   Title:



                                   ARCH COMMUNICATIONS, INC.


                                   By:

                                   Name:

                                   Title:



                                   ARCH COMMUNICATIONS GROUP, INC.


                                   By:

                                   Name:

                                   Title:





                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


   AMENDMENT  NO. 4 (this  "Amendment"),  dated as of March 31, 1999,  under the
Second Amended and Restated Credit Agreement  (Tranche B Facility),  dated as of
June 29, 1998,  by and among Arch Paging,  Inc.  (the  "Borrower"),  the Lenders
party  thereto,  The Bank of New York,  Royal Bank of Canada,  Toronto  Dominion
(Texas),  Inc. and Barclays Bank PLC, as Managing Agents,  Royal Bank of Canada,
as Documentation  Agent,  Toronto Dominion (Texas),  Inc., as Syndication Agent,
and The Bank of New York, as  Administrative  Agent, as amended by Amendment No.
1, dated as of September 14, 1998, Amendment No. 2, dated as of December 8, 1998
and  Amendment  No. 3 and Consent  No. 1, dated as of  February  22, 1999 (as so
amended, the "Credit Agreement").


                                    RECITALS


   A. Capitalized  terms used herein which are not defined herein shall have the
respective meanings ascribed thereto in the Credit Agreement as amended hereby.

   B. The Borrower has requested that certain provisions of the Credit Agreement
be amended in  connection  with the  MobileMedia  Merger and the  Administrative
Agent and the Lenders  signing below are willing to agree thereto subject to the
terms and conditions hereinafter set forth.

   Accordingly,  in consideration of the Recitals and the covenants,  conditions
and  agreements   hereinafter  set  forth,  and  for  other  good  and  valuable
consideration,  the receipt and adequacy of which are hereby  acknowledged,  the
parties hereto agree as follows:

   1. Clause (b) of the definition of "Applicable  Margin"  contained in Section
1.1 of Credit Agreement is amended in its entirety to read as follows:

         (b) On and after the Merger Effective Date:

            (i) at all times during the  applicable  periods set forth
         below:  (1)  with  respect  to the  unpaid  principal  amount
         thereof consisting of ABR Advances, the applicable percentage
         set forth in the following  table under the heading "ABR" and
         (2) with  respect  to the  unpaid  principal  amount  thereof
         consisting of Eurodollar Advances,  the applicable percentage
         set  forth  in  the   following   table   under  the  heading
         "Eurodollar Rate":

<PAGE>


         -------------------------------------------------------------------
         PRICING LEVERAGE RATIO
         -------------------------------------------------------------------
         -----------------  -------------  -----------  --------------------
         Greater Than or
         Equal To           Less Than      ABR          Eurodollar Rate
         -----------------  -------------  -----------  --------------------
         -----------------  -------------  -----------  --------------------
         4.50:1.00                         1.875%       3.125%
         -----------------  -------------  -----------  --------------------
         -----------------  -------------  -----------  --------------------
         4.00:1.00          4.50:1.00      1.500%       2.750%
         -----------------  -------------  -----------  --------------------
         -----------------  -------------  -----------  --------------------
         3.00:1.00          4.00:1.00      1.125%       2.375%
         -----------------  -------------  -----------  --------------------
         -----------------  -------------  -----------  --------------------
                            3.00:1.00      0.750%       2.000%
         -----------------  -------------  -----------  --------------------


            (ii) Changes in the Applicable  Margin described in clause
         (b)(i) above resulting from a change in the Pricing  Leverage
         Ratio,  as set forth in a  Compliance  Certificate  delivered
         pursuant to Section 7.1(c)  evidencing  such a change,  shall
         become  effective upon the second  Business Day following the
         delivery by the Borrower to the Administrative Agent of a new
         Compliance  Certificate pursuant to Section 7.1(c) evidencing
         a change in the Pricing Leverage Ratio. If the Borrower shall
         fail to deliver a Compliance Certificate within 60 days after
         the end of each of the first  three  fiscal  quarters  (or 90
         days after the end of the last fiscal quarter) as required by
         Section  7.1(c),  the  Pricing  Leverage  Ratio,  solely  for
         purposes  of  calculating  the  Applicable  Margin,  shall be
         deemed to be greater than  4.50:1.00  from and  including the
         date on which such Compliance  Certificate was required to be
         delivered to the date of delivery to the Administrative Agent
         of such Compliance Certificate.

   2. The definition of "Commitment Fee Percentage"  contained in Section 1.1 of
Credit Agreement is amended in its entirety to read as follows:

            (a) (i) Prior to the Merger  Effective  Date, at all times
         during the applicable periods set forth below, the applicable
         percentage  set  forth  below  next to the words  "Tranche  B
         Commitment":

     ------------------------------------ ---------------------- --------
     Period                               Applicable Commitment  Margin
     ------------------------------------ ---------------------- --------
     ------------------------------------ ---------------------- --------
     when the Pricing Leverage Ratio is   Tranche B Commitment   0.1875%
     greater than or equal to 4.00:1.00
     ------------------------------------ ---------------------- --------
     ------------------------------------ ---------------------- --------
     when the Pricing Leverage Ratio is   Tranche B Commitment   0.1875%
     less than 4.00:1.00
     ------------------------------------ ---------------------- --------


            (ii) Changes in the Commitment  Fee  Percentage  resulting
         from a change in the Pricing  Leverage Ratio, as set forth in
         a Compliance Certificate delivered pursuant to Section 7.1(c)
         evidencing  such a change,  shall become  effective  upon the


                                  2
<PAGE>

         second Business Day following the delivery by the Borrower to
         the  Administrative  Agent  of a new  Compliance  Certificate
         pursuant to Section 7.1(c) evidencing a change in the Pricing
         Leverage  Ratio.  If the  Borrower  shall  fail to  deliver a
         Compliance  Certificate  within 60 days after the end of each
         of the first three fiscal  quarters (or 90 days after the end
         of the last fiscal  quarter)  as required by Section  7.1(c),
         the  Pricing   Leverage   Ratio,   solely  for   purposes  of
         calculating the Commitment Fee Percentage, shall be deemed to
         be greater  than  4.00:1.00  from and  including  the date on
         which  such   Compliance   Certificate  was  required  to  be
         delivered to the date of delivery to the Administrative Agent
         of such Compliance Certificate.

            (b) On and after the Merger Effective Date, 0.500%.

   3. Section 1.1 of the Credit Agreement is amended by adding the following new
definition thereof in its appropriate alphabetical order:

            "New  Capital"  shall  mean  all  capital  raised  by  the
         Borrower  or any of its  Affiliates  in  connection  with the
         consummation  of  the  MobileMedia  Transactions,  including,
         without  limitation,  (A) the Additional Tranche C Loans, (B)
         the  proceeds of any debt  offering  (including  the New Arch
         Notes),  and (C) the proceeds of any equity  issuance  (other
         than the  rights  offering  contemplated  by the  MobileMedia
         Merger Documents in the anticipated amount of $217,000,000).

   4.  Section  8.3(iv)(S)(4)  of the  Credit  Agreement  shall  be  amended  by
substituting "June 30, 1999" for "March 31, 1999" on the second line thereof.

   5. Section 8.3(iv)(C) is amended in its entirety to read as follows:

               (C) New Capital; Officer's Certificate. Arch shall have
            (1)   raised   New   Capital   in  a  minimum   amount  of
            $320,000,000,  of which at least  $125,000,000 shall be in
            the form of  additional  notes  issued by Arch or, if Arch
            Escrow  shall  have  issued  such  notes,  Arch shall have
            assumed the  obligations of Arch Escrow in respect thereof
            (in  either  case,  the "New  Arch  Notes")  on terms  and
            conditions   satisfactory  to  the  Managing  Agents,  (2)
            received  proceeds in an amount not less than $320,000,000
            (less customary  underwriting  discounts,  commissions and
            related  expenses)  from the  issuance of such New Capital
            (either  directly  or  as a  result  of  the  Arch  Escrow
            Merger),  and  (3) the  Administrative  Agent  shall  have
            received  a  certificate  of a  Financial  Officer  of the
            Borrower, dated the Merger Effective Date, in all respects
            satisfactory  to  the  Administrative   Agent  as  to  the
            foregoing matters and, unless theretofor  delivered to the
            Administrative  Agent,  attaching  a  true,  complete  and
            correct  copy  of  each of the  New  Arch  Indenture,  any
            security   agreement   or  other   document   executed  in


                                       3
<PAGE>

            connection  therewith and the Offering Memorandum or other
            disclosure document,  if any, in respect thereof,  each of
            which shall be in form and substance  satisfactory  to the
            Managing Agents.

   6. Paragraphs 1-5 of this Amendment shall not be effective until the prior or
simultaneous  fulfillment of the following  conditions (the "Amendment Effective
Date"):

      (a) The  Administrative  Agent shall have  received this  Amendment,  duly
   executed  by a duly  authorized  officer or  officers  of the  Borrower,  the
   Parent,  the Subsidiary  Guarantors,  the  Administrative  Agent and Required
   Lenders.

      (b) The  Administrative  Agent shall have received  Amendment No. 4, dated
   the date  hereof,  to the Tranche B Credit  Agreement  (the  "Tranche A and C
   Credit Agreement  Amendment"),  duly executed by a duly authorized officer or
   officers  of  the  Borrower,  the  Parent,  the  Subsidiary  Guarantors,  the
   Administrative  Agent and Required  Lenders (each under and as defined in the
   Tranche A and C Credit Agreement).

      (c) The  Administrative  Agent shall have  received a  certificate  of the
   Secretary or Assistant  Secretary of the  Borrower:  (i) attaching a true and
   complete copy of the  resolutions  of its Managing  Person  authorizing  this
   Amendment in form and substance  satisfactory  to the  Administrative  Agent,
   (ii) certifying that its  certificate of  incorporation  and by-laws have not
   been amended since June 29, 1998, or, if so, setting forth the same and (iii)
   setting  forth the  incumbency  of its officer or officers  who may sign this
   Amendment,  including  therein  a  signature  specimen  of  such  officer  or
   officers.

      (d) The Administrative  Agent shall have received an opinion of counsel to
   the Borrower, in form and substance satisfactory to the Managing Agents.

      (e) All fees due and payable on or prior to the Amendment  Effective  Date
   shall have been paid.

      (f) The  representations  and  warranties  contained in the Loan Documents
   shall be true and correct in all material respects (except to the extent such
   representations and warranties specifically relate to an earlier date) and no
   Default or Event of Default shall exist, and the  Administrative  Agent shall
   have  received  a  certificate  of an  officer  of the  Borrower,  dated  the
   Amendment Effective Date, certifying to such effect.

      (g) The  Administrative  Agent shall have received such other documents as
   it shall reasonably request.

   10. The  Borrower  and the Parent  each hereby (i)  reaffirms  and admits the
validity  and  enforceability  of the  Credit  Agreement  (as  amended  by  this
Amendment) and the other Loan Documents and all of its  obligations  thereunder,
(ii)  represents  and warrants that there exists no Default or Event of Default,
and (iii)  represents  and  warrants  that the  representations  and  warranties
contained in the Loan  Documents,  including the Credit  Agreement as amended by
this  Amendment  (other than the  representations  and  warranties  made as of a
specific  date) are true and correct in all  material  respects on and as of the
date hereof,  except to the extent that such  representations and warranties are
no  longer  true or  correct  as a  result  of  events,  acts,  transactions  or


                                       4
<PAGE>

occurrences  after the Second  Restatement  Effective  Date which are  permitted
under the Credit Agreement.

   11. This  Amendment  may be executed in any number of  counterparts,  each of
which shall be an original and all of which shall  constitute one agreement.  It
shall not be necessary  in making proof of this  Amendment to produce or account
for more than one counterpart signed by the party to be charged.

   12. This  Amendment is being  delivered in and is intended to be performed in
the State of New York and shall be construed and enforceable in accordance with,
and be governed by, the internal laws of the State of New York without regard to
principles of conflict of laws.

   13.  Except  as  amended  hereby,  the  Credit  Agreement  shall in all other
respects remain in full force and effect.



<PAGE>





   IN WITNESS  WHEREOF,  the parties  hereto have caused this Amendment No. 4 to
the Second Amended and Restated Credit Agreement (Tranche B Facility) to be duly
executed and  delivered by their proper and duly  authorized  officers as of the
day and year first above written.


                                   ARCH PAGING, INC.


                                   By:

                                   Name:

                                   Title:



<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   THE BANK OF NEW YORK,
                                   Individually, as Letter of Credit Issuer, as
                                   Managing Agent and as Administrative Agent


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   TORONTO DOMINION (TEXAS), INC.,
                                   Individually, as Managing Agent and as
                                   Syndication Agent


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   ROYAL BANK OF CANADA,
                                   Individually, as Managing Agent and as
                                   Documentation Agent


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   BARCLAYS BANK PLC, Individually and as a
                                   Managing Agent


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   FIRST UNION NATIONAL BANK


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   VAN KAMPEN PRIME RATE INCOME TRUST


                                   By:

                                   Name:

                                   Title:





<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   VAN KAMPEN CLO I, LIMITED

                                   By:      Van Kampen Management, Inc.,
                                            as Collateral Manager


                                   By:

                                   Name:

                                   Title:





<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   PNC BANK, NATIONAL ASSOCIATION


                                   By:

                                   Name:

                                   Title:






<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   FLEET NATIONAL BANK


                                   By:

                                   Name:

                                   Title:






<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   BANKBOSTON, N.A.


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   GENERAL ELECTRIC CAPITAL CORPORATION


                                   By:

                                   Name:

                                   Title:






<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   SUNTRUST BANK, CENTRAL FLORIDA, N.A.


                                   By:

                                   Name:

                                   Title:









<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   SOCIETE GENERALE


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   BEAR STEARNS INVESTMENT PRODUCTS INC.


                                   By:

                                   Name:

                                   Title:








<PAGE>


                                ARCH PAGING, INC.
                             AMENDMENT NO. 4 TO THE
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT
                              (TRANCHE B FACILITY)


                                   CONSENTED TO BY:

                                   ARCH CONNECTICUT VALLEY, INC.
                                   ARCH COMMUNICATIONS ENTERPRISES, LLC

                                   AS TO EACH OF THE FOREGOING:


                                   By:

                                   Name:

                                   Title:



                                   ARCH COMMUNICATIONS, INC.


                                   By:

                                   Name:

                                   Title:



                                    ARCH COMMUNICATIONS GROUP, INC.


                                    By:

                                    Name:

                                    Title:





                     **CONFIDENTIAL TREATMENT REQUESTED            Exhibit 10.3

Arch
March 17, 1999                                  Paging Products Sales Agreement


                         PAGING PRODUCTS SALES AGREEMENT


     THIS  AGREEMENT  ("Agreement")  is entered into on March 17,  1999,  by and
between  Motorola,  Inc.,  a Delaware  corporation,  acting  through  its Paging
Products  Group,  with an address at 1500 Gateway Blvd,  Boynton Beach,  Florida
33426-8292  ("Motorola") and ARCH COMMUNICATIONS  GROUP a Delaware  corporation,
with an  address  at 1800 West Park  Drive,  Suite  250,  Westborough,  MA 01581
("Buyer").

PRODUCTS AND PRICES

     Because of the prices set forth in  competitive  offers  received by Buyer,
Motorola  agrees to sell to Buyer the paging  products  listed on Attachment "A"
("Pagers") at the prices stated therein. These prices apply to Pagers ordered on
common carrier frequencies for which Buyer (or its subsidiary companies) are the
licensee or bona fide sales agent of the licensee.  All prices include a primary
cell battery unless otherwise noted.

PRICE CHANGES AND SPECIAL PROMOTIONS

     The  prices  stated  in  Attachment  "A"  are  firm  for  the  Term of this
Agreement. In the event Motorola lowers the standard common carrier price of any
product set forth in Attachment "A" during the Term of this Agreement,  no price
adjustment  shall be made in the  Attachment  "A" prices unless the new standard
common carrier price is lower than the Attachment "A" price for the same product
stated in this  Agreement.  In which case,  all such  products  remaining  to be
shipped under this Agreement  shall be shipped at the new, lower standard common
carrier price. If, during the Term of this Agreement,  Motorola offers a special
promotional  price on any product in Attachment  "A", Buyer may select the lower
of the special promotional price or the price in this Agreement.

QUANTITY

     Motorola agrees to sell and Buyer agrees to purchase and accept delivery on
a minimum of ** Pagers  within one year from date of this  Agreement  (**).  All
products are quoted for sale subject to availability.

ORDERS

     All orders  placed  during the Term of this  Agreement  are  subject to the
terms  and  conditions  set  forth  in  Attachment  "B"  ("Standard   Terms  and
Conditions").  If any conflict  arises between the Standard Terms and Conditions
and any other  terms and  conditions  involved  in the sale or Buyer's  Purchase
Orders, the attached Standard Terms and Conditions shall prevail.

<PAGE>

NON-DISCLOSURE

     Both  Buyer and  Motorola  recognize  the  confidentiality  of the  pricing
information  set forth in this Agreement and agree to not disclose same to third
parties  during the Term of this  Agreement,  unless  required  by  judicial  or
administrative  order.  In the  event of any  potential  merger  or  stock  sale
transactions,  Buyer will protect  this  confidentiality  by  obtaining  written
Non-Disclosure Agreements from the parties.

DELIVERY SCHEDULE

     Prices  quoted are for Pagers whose  delivery is requested at or beyond the
current  gaiting   schedule,   following   receipt  and  acceptance  of  Buyer's
processable order at Motorola's Boynton Beach, Florida headquarters.


BUSINESS METHODS IMPROVEMENT INCENTIVE

     The prices in this  Agreement  are based in part on efforts to implement an
improved  system of order  forecasting  and order  management.  The goal of this
program is to improve overall  efficiency with longer-range  visibility of Pager
requirements and to reduce the number of orders which are changed within 30 days
of scheduled  ship date.  Buyer shall  provide  Motorola a rolling six (6) month
forecast of projected  Pager  purchases on a monthly  basis and shall issue firm
orders  for three (3) month  periods  for  product  not to be  fulfilled  by the
Motorola Distribution Fulfillment Center (DFC). Accuracy of the rolling forecast
must be within 20% of actual orders placed to assure assignment of ship dates to
match the current gaiting schedule.



CHANGE ORDERS

     Change  orders  will  not be  accepted  by  Motorola  if  requested  within
twenty-one  (21) days of the  acknowledged  shipment  date.  Customer  agrees to
accept any Pagers  shipped by  Motorola  where a change  order was  rejected  by
Motorola because said change order was submitted within  twenty-one (21) days of
the acknowledged shipment date.




ENTIRE AGREEMENT

     This Agreement constitutes the entire and final expression of the agreement
between the parties  pertaining to the subject  matter hereof and supersedes all
prior related  communications  or agreements,  oral,  written or  electronically
communicated,  between the  parties.  The  Attachments  listed  below are hereby
incorporated herein.

<PAGE>

     IN WITNESS  WHEREOF,  the parties have caused this Agreement to be executed
by their duly authorized representatives on the date first written above.

ARCH COMMUNICATION GROUP                 MOTOROLA, INC.

By: _________________________            By: ___________________


Title: ________________________          Title: V Pres. & Dir. Of Distribution
                                                ------------------------------




Attachments:
A- Paging Products Pricing
B- Standard Terms and Conditions
ARCH Contract Alpha MDF Bonus (3/5/99)


<PAGE>
                       **CONFIDENTIAL TREATMENT REQUESTED



                                  ATTACHMENT A
                             PAGING PRODUCTS PRICING


Based on a minimum  quantity of ** pagers,  the following  prices are offered on
the basic models indicated, exclusive of available options:

- ---------------------- -------------------------------- ------- -------- -------
                                DESCRIPTION               LOW /   UHF
PRODUCT                          FEATURES                 HIGH    BAND   900 MHz
- -------                                                   BAND
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Pronto                 Numeric Display w/vibe             **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Pronto FLX             Numeric Display w/vibe             **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Bravo LX(TM)            Numeric Display w/vibe            **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Bravo FLX(TM)          Numeric Display w/vibe             **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Express Luna(TM)       Numeric Display                    **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
LS 350                 Numeric Display FLX(TM)& Pocsag    **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
LS 550                 Numeric Display FLX(TM)            **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
LS 750                 Numeric Display FLX(TM)& Pocsag    **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
BR 850                 Numeric Display FLX(TM)            **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Wordline(TM)  **       POCSAG                             **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Wordline FLX(TM) **    FLX Word Message                   **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Jazz(TM)               Flex Word Message Display          **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Advisor Gold(TM)       Alpha Display w/vibe               **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Advisor Elite(TM)      FLX Alpha Display w/vibe           **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
CP 1250                Word Message Pager Flex            **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
PF 1500                Word Messaging Reflex 50 & 25      **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Pagewriter 2000        Two Way Reflex 50 (Deluxe)         **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Packaging              Standard or Retail Boxes           **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
QuickWord(TM)          Message Entry Device               **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
WordTrek(TM)           Message Entry Device               **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
WordTrek Plus(TM)      Message Entry Device               **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Keynote  (5/6 Tone)                                       **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Keynote (2-Tone)                                          **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------
Keynote Voice Storage                                     **       **       **
- ---------------------- -------------------------------- ------- -------- -------
- ---------------------- -------------------------------- ------- -------- -------

- ---------------------- -------------------------------- ------- -------- -------

* Monet Mystique Housing is available for an additional charge of $ ** each.

<PAGE>
                                  ATTACHMENT B
                          STANDARD TERMS AND CONDITIONS

TERM.  This Agreement  shall become  effective upon execution by both parties on
the date stated herein and shall  continue in effect for a term of one year, and
will  automatically  renew for  successive  one year  terms  subject  to 30 days
written notice by either party.

PAYMENT.  Buyer shall make net payment to Motorola at Motorola's offices at 1500
Gateway Boulevard,  Boynton Beach, Florida 33426-8292, or at such other place as
Motorola may  designate in writing.  Payment  shall be made within 30 days after
the date of invoice for each product,  accessory,  or other charge. Any invoiced
amount which is not paid within the terms and  conditions of this Agreement will
be considered  delinquent.  Based on acceptable credit and collection practices,
Motorola  is  entitled  to past due  interest  or a  late-payment  charge on the
delinquent  balance  outstanding not to exceed 1.5% per month on the outstanding
balance. In addition,  Motorola may revise Buyers credits status based on Buyers
payment  history.  Any past due interest or late-payment  charge will become due
and  payable  immediately  at our  discretion.  Buyer also  agrees to  reimburse
Motorola for all legal fees and expenses  incurred in collecting any amounts due
hereunder.

PACKING  AND  DELIVERY;  RESTOCKING.  All  delivered  goods  shall be packed and
shipped in accordance with Buyer's instructions or in accordance with Motorola's
standards.  All articles  shall be sold and  delivered FOB  Motorola's  shipping
facility(ies)  unless otherwise  expressly agreed to in writing.  All stipulated
delivery or shipment dates are estimated  only.  Motorola  reserves the right to
make  deliveries in  installments  and the contract shall be severable as to any
such  installments.  Delay in delivery or other default of any installment shall
not  relieve  the  Buyer  of its  obligation  to  accept  and pay for  remaining
deliveries.  Claims for shipment  shortage or delay in delivery  shall be deemed
waived unless  presented to Motorola in writing within 30 days after delivery of
each shipment. IN NO EVENT SHALL MOTOROLA BE LIABLE FOR INCREASED  MANUFACTURING
COSTS,  LOSS  OF  PROFITS  OR GOOD  WILL,  OR ANY  OTHER  SPECIAL,  INDIRECT  OR
CONSEQUENTIAL  DAMAGES. All returned goods are subject to a restocking fee equal
to twenty  percent  (20%) of the value of the  returned  goods.  No goods may be
returned to Motorola after ninety (90) days from shipment.

RESPONSIBILITY AND TITLE; SECURITY INTEREST. Title and risk of loss or damage to
articles sold shall pass to the Buyer when the articles are delivered to the FOB
point  referred  to above or to the  specified  FOB point.  Buyer shall bear all
costs of their purchase hereunder after delivery to the FOB point including, but
not limited to,  insurance,  consular  fees,  taxes,  ocean,  air and/or  inland
freight,  shipping or handling  charges and the like.  Any loss or damage  after
delivery  to  carrier  will not  relieve  Buyer of its  payment  obligations  to
Motorola.  Motorola  shall  retain and Buyer hereby  grants  Motorola a security
interest  and right of  possession  in  articles  sold  until  Buyer  makes full
payment.  Buyer  agrees to  cooperate  in whatever  manner  necessary  to assist
Motorola in perfection of said security interest upon request.


<PAGE>

TAXES. Federal,  State and/or Local excise, sales and use taxes or similar taxes
are not  included in the prices in  Attachment A and B. They will be invoiced at
prevailing  rates unless a current Tax  Exemption  Certificate  for the shipping
destination  state has been submitted by Buyer and is on file with Motorola.  If
any such excluded tax is determined  to be  applicable  to this  transaction  or
Motorola  is required  to pay or bear the burden  thereof,  the prices set forth
herein  shall be increased by the amount of such tax and any interest or penalty
thereon, and Buyer shall pay to Motorola the full amount of any such increase no
later than 30 days after receipt of an invoice therefore.

PATENT AND COPYRIGHT INDEMNIFICATION. Motorola agrees to defend, at its expense,
any suits  against  Buyer  based  upon a claim  that any  Motorola  manufactured
products furnished hereunder directly infringe a U.S. patent or copyright and to
pay costs and damages finally  awarded in any such suit,  provided that Motorola
is notified promptly in writing of the suit and at Motorola's request and at its
expense is given control of said suit and all requested  assistance  for defense
of  same.  If the use or sale of any  such  product(s)  furnished  hereunder  is
enjoined as a result of such suit, Motorola,  at its option and at no expense to
Buyer,  shall obtain for Buyer the right to use or sell such product(s) or shall
substitute an equivalent product reasonably  acceptable to Buyer and extend this
indemnity  thereto or shall accept the return of such  product(s)  and reimburse
Buyer the purchase price therefore, less a reasonable charge for reasonable wear
and tear. This indemnity does not extend to any suit based upon any infringement
or alleged  infringement  of any patent or copyright by the  combination  of any
such product(s) furnished hereunder and other elements nor does it extend to any
such  product(s) of Buyer's design or formula.  The foregoing  states the entire
liability of Motorola for patent or  copyright  infringement.  IN NO EVENT SHALL
MOTOROLA BE LIABLE FOR INCIDENTAL SPECIAL OR CONSEQUENTIAL  DAMAGES ARISING FROM
INFRINGEMENT OR ALLEGED INFRINGEMENT OF PATENTS OR COPYRIGHTS.

COPYRIGHTS AND MASK WORKS. Motorola mask works and other works of authorship may
be used in and  redistributed  only with the Products  associated  with same. No
other  use,   including  without   limitation   reproduction,   modification  or
disassembly  of such  Motorola  mask  works or  other  works  of  authorship  is
permitted.

REVERSE  ENGINEERING.  Buyer  acknowledges  Motorola's  claim that the  Motorola
products  furnished  hereunder  contain  valuable  trade secrets of Motorola and
therefore  agrees  that it will  not  translate,  reverse  engineer,  decompile,
disassemble or make any other unauthorized use of such Motorola Equipment. Since
unauthorized  use of such  Motorola  products  will  cause  irreparable  harm to
Motorola,  Buyer agrees that Motorola,  in addition to any other remedies it may
have,  shall be  entitled to  equitable  relief to protect  such trade  secrets,
including without limitation  temporary and permanent  injunctive relief without
proof of damages.

LOGOS AND TRADEMARKS.  1) The products shipped under the terms and conditions of
this Agreement will carry Motorola's logo or such other logo as expressly agreed

<PAGE>

to by  Motorola.  2) In  order  that  Motorola  may  protect  and  preserve  its
trademarks, trade names, corporate slogans, corporate logo, goodwill and product
designations, Buyer, without the express written consent of Motorola, shall have
no right to use any such marks,  names,  slogans or  designations of Motorola in
the sale,  lease or  advertising  of any  products  or on any  product,  product
container,  component part, business forms,  sales,  advertising and promotional
materials or other business supplies or materials, whether in writing, orally or
otherwise.

GOVERNMENT  SALES.  In the event  Buyer  elects  to sell  Motorola  products  or
services to any U.S. federal,  state or local, or any foreign government agency,
or to a prime contractor or subcontractor selling to such entity, Buyer shall do
so at their  own  option  and risk and  agrees  not to  obligate  Motorola  as a
subcontractor  or otherwise  to such Buyer except as indicated in the  paragraph
below. Buyer remains solely and exclusively  responsible for compliance with all
statutes,  regulations and clauses governing sales to any U.S. federal, state or
local,  or  any  foreign   government  agency,  or  to  a  prime  contractor  or
subcontractor  selling to such  entity,  except as  indicated  in the  paragraph
below.  Motorola  makes  no  representations,   certifications,   or  warranties
whatsoever  with  respect to the  ability of its  goods,  services  or prices to
satisfy any such statutes, regulations and clauses.


Motorola represents that it generally complies with the following FAR clauses:

         FAR Clause Title

       52.221-21  Certification of Nonsegregated Facilities
       52.222-22  Previous Contracts and Compliance Reports
       52.222-25  Affirmative Action Compliance
       52.222-26  Equal Opportunity
       52.222-35  Affirmative  Action  for  Special  Disabled  and  Vietnam  Era
                  Veterans
       52.222-36  Affirmative Action for Handicapped  Workers
       52.222-37  Employment  Reports on Special  Disabled  Veterans  And
                  Veterans  of the Vietnam Era
       52.223-2   Clean Air and Water


LICENSE  DISCLAIMER.  Except for the right to use the Motorola  products for the
purposes  provided  herein  which  arises  by  operation  of law and  except  as
expressly  provided herein,  nothing contained in this Agreement shall be deemed
to grant to Buyer either directly or by implication,  estoppel or otherwise, any
license or right under any patents,  copyrights,  trademarks or trade secrets of
Motorola or any third party.

INDEPENDENT  CONTRACTORS.   The  parties  agree  that  each  is  an  independent
contractor,  that neither is an agent of the other party, and that neither party
can bind the other to third parties.


<PAGE>

NOTICES.  Each party shall  serve  notices on the other party at the address set
forth in this  Agreement  and must serve same via certified  mail,  facsimile or
courier.

EXCUSABLE DELAY. In addition to other limitations on liability set forth in this
Agreement,  Motorola shall not be liable for any delay or failure to perform due
to any cause beyond its reasonable control.  Causes include, but are not limited
to, strikes, acts of God, acts of the Buyer,  interruptions of transportation or
inability to obtain necessary materials or facilities,  default of any supplier,
or delays in FCC frequency authorization or license grant. In the event Motorola
is unable to  wholly  or  partially  perform  because  of any cause  beyond  its
reasonable  control,  Motorola may terminate the Agreement without any liability
to Buyer.

FCC AND OTHER GOVERNMENT MATTERS.  Buyer is solely responsible for obtaining any
licenses  from, and complying  with any rules and  regulations  required by, the
Federal  Communications  Commission ("FCC") or any other Federal, State or Local
governmental agency.

COMMUNICATIONS  SERVICES.  Buyer  agrees that  communications  services  are not
provided under the Agreement.  MOTOROLA DISCLAIMS LIABILITY FOR RANGE, COVERAGE,
AVAILABILITY OR OPERATION OF ANY SYSTEM.

LIMITATION OF LIABILITY.  EXCEPT FOR PERSONAL  INJURY AND EXCEPT AS PROVIDED FOR
IN  THE  SECTION  "PATENT  AND  COPYRIGHT  INDEMNIFICATION",   MOTOROLA'S  TOTAL
LIABILITY  ARISING  OUT OF OR RELATED TO THIS  AGREEMENT,  WHETHER FOR BREACH OF
CONTRACT,  WARRANTY,   MOTOROLA'S  NEGLIGENCE,   STRICT  LIABILITY  IN  TORT  OR
OTHERWISE,  IS LIMITED TO THE PRICE OF THE  PARTICULAR  PRODUCTS SOLD  HEREUNDER
WITH RESPECT TO WHICH  LOSSES OR DAMAGES ARE CLAIMED.  BUYER'S SOLE REMEDY IS TO
REQUEST  MOTOROLA AT MOTOROLA'S  OPTION TO EITHER  REFUND THE PURCHASE  PRICE OR
REPAIR OR REPLACE PRODUCTS THAT ARE NOT AS WARRANTED.  IN NO EVENT WILL MOTOROLA
BE LIABLE FOR INCIDENTAL,  SPECIAL OR CONSEQUENTIAL DAMAGES,  INCLUDING, BUT NOT
LIMITED TO, FRUSTRATION OF ECONOMIC OR BUSINESS  EXPECTATIONS,  LOSS OF PROFITS,
LOSS OF DATA,  COST OF CAPITAL,  COST OF  SUBSTITUTE  PRODUCT(S),  FACILITIES OR
SERVICES,  DOWNTIME COST OR ANY CLAIM AGAINST BUYER BY ANY OTHER PARTY,  WHETHER
FOR BREACH OF CONTRACT,  WARRANTY,  MOTOROLA'S  NEGLIGENCE,  STRICT LIABILITY IN
TORT, OR OTHERWISE.

INSURANCE.  It is further  understood  that  Motorola is not an insurer and that
Buyer shall obtain all insurance, if any, that is desired and that Motorola does
not  represent  or  warrant  that  Motorola   products  will  avert  or  prevent
occurrences,  or the consequences  therefrom,  which are monitored,  detected or
controlled with the use of the products.


<PAGE>

TIME TO SUE.  Except  for money  due upon an open  account,  no action  shall be
brought  for any  breach of this  Agreement  more  than two (2) years  after the
accrual  of such cause of action  except  where a shorter  limitation  period is
provided by applicable law. Except as otherwise  already disclosed in writing to
Motorola,  Buyer is not  presently  aware of any facts that could give rise to a
claim against Motorola for breach of contract, warranty, or otherwise.

NO REPRESENTATIONS. The issuance of information, advice, approvals, instructions
or cost projections by Motorola's sales personnel or other representatives shall
be deemed  expressions of personal opinion only and shall not affect  Motorola's
and Buyer's rights and obligations hereunder,  unless the same is in writing and
signed by an officer of Motorola with the explicit statement that it constitutes
an amendment to this Agreement.

WARRANTIES.  Paging  products are sold  subject to  Motorola's  written  Limited
Warranty  (a copy of which has been  provided  to Buyer and will  accompany  the
shipment of products).  THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER  WARRANTIES,
EXPRESS  OR  IMPLIED,  WHICH  ARE  SPECIFICALLY  EXCLUDED,   INCLUDING,  WITHOUT
LIMITATION,  IMPLIED WARRANTIES OF MERCHANTABILITY  AND FITNESS FOR A PARTICULAR
PURPOSE.  UPON  ACCEPTANCE OF A SHIPMENT,  BUYER SHALL BE DEEMED TO  ACKNOWLEDGE
RECEIPT OF SUCH WARRANTY.

GENERAL.  (A) Buyer  acknowledges that it has read and understands the terms and
conditions of this Agreement and agrees to be bound by them. (B) No modification
of or additions to this  Agreement  shall be binding upon  Motorola  unless such
modification is in writing and signed by an officer of Motorola. (C) If any term
or  provision of this  Agreement  shall to any extent be held  invalid,  void or
unenforceable,  by a court or other tribunal,  then that term or provision shall
be inoperative and void insofar as it is in conflict with law, but the remaining
terms and provisions shall  nevertheless  continue in full force and effect. (D)
The  failure of  Motorola  to  insist,  in any one or more  instances,  upon the
performance of any of the terms,  covenants or conditions of this Agreement,  or
to  exercise  any  right  herein,   shall  not  be  construed  as  a  waiver  or
relinquishment of the future performance of any such term, covenant or condition
or the future  exercise  of such  right,  but the  obligation  of the Buyer with
respect to such future  performance shall continue in full force and effect. (E)
THIS  AGREEMENT  AND THE  RIGHTS AND DUTIES OF THE  PARTIES  HEREUNDER  SHALL BE
GOVERNED AND INTERPRETED IN ACCORDANCE WITH THE LAWS OF THE STATE OF ILLINOIS.

ALTERNATIVE  DISPUTE  RESOLUTION.  Motorola and Buyer will attempt to settle any
claim or  controversy  arising  out of this  Agreement,  except  for  actions by
Motorola to collect payment from Buyer,  through consultation and negotiation in
a spirit of mutual cooperation. If those attempts fail, then the dispute will be
mediated by a  mutually-acceptable  mediator to be chosen by Motorola  and Buyer
within 45 days after  written  notice  demanding  mediation.  Neither  party may

<PAGE>

unreasonably  withhold consent to the selection of a mediator,  and Motorola and
Buyer  will  share the  costs of the  mediation  equally.  Motorola  and  Buyer,
however,  may postpone  mediation by mutual agreement,  until some specified but
limited discovery has been completed regarding the dispute. The parties may also
agree  to  replace  mediation  with  some  other  form  of  alternative  dispute
resolution (ADR), such as neutral fact-finding or a minitrial.

Any dispute  which cannot be resolved  through  negotiation,  mediation or other
form of ADR within six  months of the date of the  initial  demand for it may be
submitted to the state and federal courts within  Illinois for  resolution,  and
Motorola  and Buyer  hereby  consent to the  jurisdiction  of state and  federal
courts sitting in Illinois.  The use of any ADR procedures will not be construed
under the doctrines of laches, waiver or estoppel to adversely affect the rights
of either  party.  Nothing  in this  section  will  prevent  either  party  from
resorting  to  judicial  proceedings  if (a) good faith  efforts to resolve  the
dispute under these  procedures  have been  unsuccessful,  or (b) interim relief
from a court is necessary to prevent serious and irreparable injury to one party
or to others. Motorola and Buyer knowingly,  voluntarily and intentionally waive
the right each may have to a jury with respect to any such judicial proceedings.


<PAGE>

                       **CONFIDENTIAL TREATMENT REQUESTED


                          ARCH Contract Alpha MDF Bonus


PRODUCT                             PRICING                   MDF BONUS
Pagewriter 2000X (Deluxe)             **                         **
PF 1500                               **                         **
CP 1250                               **                         **
Advisor Gold                          **                         **
Advisor Elites                        **                         **
Jazz                                  **                         **
Wordline                              **                         **


Note:  * Arch will receive the  additional  $** per pager when Arch reaches 1998
total of **. This would be an extra  $** in MDF money. A Grand total of
$ ** for ** products.

Steve Daigneault 3/5/99
Motorola NAPSD




                ** CONFIDENTIAL TREATMENT REQUESTED              Exhibit 10.4


                          SATELLITE SERVICES AGREEMENT



     THIS SATELLITE  SERVICES AGREEMENT (this "Agreement") is entered into as of
the 1st day of September,  1998 by and between AvData Systems,  Inc., a Delaware
corporation, whose principal place of business is located at 55 Marietta Street,
NW, Atlanta, Georgia, 30303 ("AvData"), and MobileMedia Communications,  Inc., a
Delaware  corporation  whose  principal  place of  business  is  located  at One
Executive Drive, Fort Lee, New Jersey,  07024 and which is operating as a Debtor
in possession in and under the Case ("Customer").


                                    RECITALS

     WHEREAS,  AvData and Customer are parties to a Satellite Services Agreement
dated August 8, 1995 (the "Existing SS Agreement"),  concerning the provision of
certain  satellite  services.  AvData and Customer  now desire to terminate  the
Existing SS  Agreement  and to enter into this  Agreement  for the  provision of
satellite transponder capacity as provided herein;

     WHEREAS,  Customer  and AvData also are parties to a 1998 Master  Agreement
dated August 1, 1998 (the "Master Agreement"), pursuant to which AvData provides
certain network services to Customer;

     WHEREAS,  contemporaneously herewith, AvData and Customer are entering into
an amendment to the Master Agreement; and

     WHEREAS,  this  Agreement is  independent  of the Master  Agreement and all
rights  and  obligations  hereunder  shall  continue  in full  force and  effect
notwithstanding any termination of, or default by either party under, the Master
Agreement.


                                    AGREEMENT


     NOW,  THEREFORE,  in  consideration  of the  premises,  and other  good and
valuable consideration received and acknowledged, the parties agree as follows:


A. DEFINITIONS.  When used in this Agreement, the following terms shall have the
meaning assigned below:

1.   "Affiliates"  shall  mean,  with  respect to any Person,  any other  Person
     directly or indirectly  controlling,  controlled by or under common control
     (i.e.,  the power to direct affairs by reason of ownership of voting stock,
     by  contract  or  otherwise)  with such  Person and any  member,  director,
     officer or employee of such Person.

2.   "Alternate  Hub" shall  mean the  Equipment  at  Customer's  alternate  hub
     location in Dayton,  New Jersey which will be used to access the  Satellite
     Capacity to run Customer's network in the event of a failure of the Primary
     Hub.


<PAGE>

3.   "Case"  shall mean  Bankruptcy  case number  97-174  (PJW)  throughout  and
     including 97-192 (PJW),  pending in the United States  Bankruptcy court for
     the  District of  Delaware  pursuant to which  Customer is  operating  as a
     debtor in possession under a Chapter 11 proceeding.

4.   "Commencement Date": 12:00 a.m. (Eastern Time) on September 1, 1998.

5.   "Default" shall have the meaning assigned pursuant to Section J.1.b hereto.

6.   "Equipment"  shall mean the Single  Channel  Per Carrier  (SCPC)  satellite
     receivers,  Very Small Aperture satellite  Terminals (VSATs) and associated
     hub hardware and remote site hardware  including embedded software owned by
     Customer.

7.   "FCC" shall mean the Federal  Communications  Commission  or any  successor
     organization.

8.   "GE" shall mean GE American  Communications,  Inc. and its  successors  and
     assigns under the GE Agreement.

9.   "GE Agreement"  shall mean that certain GE-1  Satellite  Single Channel per
     Cover Service Agreement between GE and AvData dated July 15, 1996.

10.  "GE Satellite" shall mean GE-1, or if GE-1 becomes a GE Satellite  Failure,
     a suitable replacement if made available by GE to AvData pursuant to the GE
     Agreement.

11.  "GE Satellite  Capacity"  shall mean 2.9 MHz of Ku-band  capacity on the GE
     Satellite.

12.  "GE  Satellite  Failure"  shall have the  meaning  assigned to such term in
     Schedule A-1 attached hereto.

13.  "GE Term" shall mean a term commencing on the Commencement  Date and ending
     on the GE Termination Date,  subject to earlier  termination as provided in
     Section J hereof.

14.  "GE  Termination  Date" shall mean the  earlier of (i) 11:59 p.m.  (Eastern
     Time) on July 31, 2001;  (ii) the End of Life or Replacement  Date (as such
     terms are defined in Schedule A-1) of the GE  Satellite;  or (iii) the date
     the GE Transponder  or the GE Satellite on which the GE Satellite  Capacity
     is being  provided  becomes  a GE  Transponder  Failure  or a GE  Satellite
     Failure and cannot be restored by GE in accordance with Article V of the GE
     Agreement,  unless  within seven (7) business  days  thereafter GE provides
     service on another  GE  Transponder  on the GE  Satellite  or on  alternate
     facilities  acceptable to Customer and AvData  (provided that, if GE offers
     such alternate  facilities on terms  different from those specified in this
     Agreement,  use of such alternate  facilities shall be subject to the terms
     on which such facilities are offered),  unless earlier terminated  pursuant
     to  the  terms  of  this  Agreement.  In the  event  that  AvData  receives
     notification  from GE of any event described in the foregoing  clauses (ii)
     and (iii),  AvData agrees to provide Customer notice of the same as soon as
     practicable after receipt of such notice from GE.

15.  "GE  Transponder"  shall mean a component of the GE Satellite  which, for a
     particular  frequency band, receives,  amplifies,  translates frequency and
     retransmits  radio  signals  as  further  defined  in  Schedule  A-1  as  a
     "Transponder."  GE  Transponder  shall  also  mean,  for  purposes  of this
     definition,  any replacement or alternate  components  thereof,  as further
     defined in Schedule A-1 as "Protection Transponder".



                                       2
<PAGE>

16.  "GE  Transponder  Failure" shall have the meaning  assigned to such term in
     Schedule A-1.

17.  "GE-1" shall mean the communications satellite designated GE-1 and operated
     by GE located at the 103(Degree) West Longitude orbital position.

18.  "Laws" shall mean any federal,  state,  local or other law or  governmental
     requirement of any kind,  domestic or foreign,  and the rules,  regulations
     and orders promulgated thereunder,  including,  without limitation,  rules,
     regulations and orders of the FCC.

19.  "Loral"  shall mean Loral Skynet and its  successors  and assigns under the
     Loral Agreement.

20.  "Loral  Agreement"  shall mean that  certain  agreement  between  Loral and
     AvData for the  provision  of  satellite-transponder  services on Telstar 4
     dated as of August 29, 1998.

21.  "Loral  Satellite"  shall mean Telstar 4, or, if necessary and  appropriate
     due to a "Space Segment Interruption or Failure" as defined in Schedule B-1
     attached hereto,  a suitable  replacement made available by Loral to AvData
     pursuant to the Loral Agreement.

22.  "Loral  Satellite  Capacity" shall mean 4.4 MHz of Ku-band  capacity on the
     Loral Satellite.

23.  "Loral Satellite Capacity Failure" shall mean a "Space Segment Interruption
     or Failure" as defined in Schedule B-1 attached hereto.

24.  "Loral  Term" shall mean a term  commencing  on the  Commencement  Date and
     ending on the Loral  Termination  Date,  subject to earlier  termination as
     provided in Section J hereof.

25.  "Loral  Termination  Date":  11:59 p.m.  (Eastern  Time) on July 31,  2001,
     unless terminated earlier pursuant to the terms of this Agreement.

26.  "Loral  Transponder"  shall mean a component of the Loral Satellite  which,
     for a particular frequency band, receives, amplifies,  translates frequency
     and  retransmits  radio  signals.  Loral  Transponder  shall also mean, for
     purposes  of this  definition,  any  replacement  or  alternate  components
     thereof.

27.  "Person"  shall  mean any  individual,  corporation,  partnership,  limited
     liability   company,    limited   partnership,    joint   venture,   trust,
     unincorporated  association  or other business  entity or any  governmental
     entity.

28.  "Primary Hub" shall mean the  Equipment at Customer's  primary hub location
     in Dallas, Texas which will be used to access the Satellite Capacity to run
     Customer's network.

29.  "Satellite  Capacity" shall mean,  collectively,  the GE Satellite Capacity
     and the Loral Satellite Capacity.

                                       3
<PAGE>


30.  "Satellites" means the GE Satellite and the Loral Satellite.

31.  "Satellite Operators" shall mean GE and Loral.

32.  "Telstar 4" shall mean the communications satellite designated as Telstar 4
     and operated by Loral located at the 89E West Longitude orbital position.

33.  "Transponder" shall mean a GE Transponder or a Loral Transponder.

34.  "Usage" or "Use" shall refer to radio  transmission  to, or utilization of,
     the Satellite(s) for the Customer's one-way or two-way messaging network.

35.  "Users  Guide"  shall mean the  Commercial  Operation  System  Users  Guide
     attached  to the GE  Agreement  as  Attachment  B  thereto,  as such may be
     amended from time to time for technical or operational reasons upon written
     notice by GE to Customer.  AvData  represents and warrants to Customer that
     Schedule C to this Agreement is the most current  version of the Commercial
     Operation  System Users Guide and agrees to provide  Customer  with any and
     all such guidelines and  instructions,  and any updates,  promptly upon the
     receipt thereof by AvData.


B.  PROVISION OF THE GE  SATELLITE  CAPACITY.  During the GE Term,  AvData shall
provide  the  GE  Satellite  Capacity  through  Ku-band   transponder   capacity
contracted  for by  AvData on the GE  Satellite  pursuant  to the GE  Agreement.
AvData  has a current  contract  for "full  time  transponder  protected"  space
segment  transponder  service from GE, which service is outlined in Schedule A-1
hereto.  With respect to the GE Satellite  Capacity,  AvData will provide  "full
time  transponder  protected"  space  segment  transponder  service  under  this
Agreement to Customer to the same extent AvData receives such protected  service
from GE. The GE Satellite  Capacity shall be provided upon the terms and subject
to the  conditions  specified in Schedule A-2 attached  hereto and  incorporated
herein by reference.


C.  PROVISION OF THE LORAL  SATELLITE  CAPACITY.  During the Loral Term,  AvData
shall provide the Loral Satellite Capacity through Ku-band transponder  capacity
contracted for by AvData on the Loral Satellite pursuant to the Loral Agreement.
The Loral Agreement provides "fully protected space segment" transponder service
from Loral,  which  service is outlined in Schedule B-1 hereto.  With respect to
the Loral  Satellite  Capacity,  AvData  will  provide  "fully  protected  space
segment" transponder service under this Agreement to Customer to the same extent
AvData receives such protected service from Loral. The Loral Satellite  Capacity
shall be provided  upon the terms and  subject to the  conditions  specified  in
Schedule B-2 attached hereto and incorporated herein by reference.



                                       4
<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED


D.       BILLING.

     1. For GE  Satellite  Capacity.  Customer  shall pay  AvData the amount set
forth for the GE Satellite  Capacity on AvData's invoice therefore in accordance
with Section I below and Schedule A-3 attached  hereto,  within thirty (30) days
of Customer's receipt of such invoice.  AvData shall invoice Customer for the GE
Satellite  Capacity  provided  hereunder  as of the first day of each  month for
which  service is to be provided  AvData  agrees to promptly  credit  Customer's
account,  as reflected on the invoice to Customer next following the date of the
interruption of service,  for any  Interruption (as defined in the GE Agreement)
affecting GE Satellite  Capacity  provided  hereunder  (a) to the extent  AvData
receives  a credit  from GE or (b) for  which  AvData  did not  receive a credit
pursuant  to  Section  4.B.1 of the GE  Agreement  due to the  fault  of  AvData
personally or any AvData customer other than Customer. The credit shall be equal
to a pro rata portion of the monthly charges to Customer (based on a month of 30
days) determined by the length of the interruption in such service as follows:

                    **





     Notwithstanding the foregoing, a credit will not be granted for any service
outage or disruption affecting the GE Satellite Capacity provided hereunder that
is a result  of,  or  attributable  in whole or in  part,  to:  1) the  fault of
Customer or any third party  (other than  AvData's  other  customers  using GE-1
satellite  capacity provided by AvData);  or 2) the failure or unavailability of
satellites,  transponders,   facilities,  services  or  equipment  furnished  to
Customer  by any  other  entity  which  may be used in  conjunction  with the GE
Satellite;  or 3) sun outages or rain fade; or 4) suspensions of service made in
accordance  with  this  Agreement,  unless  the  applicable  provision  of  this
Agreement expressly provides for granting of a credit hereunder; or 5) any cause
for  which  GE  otherwise  is  not  responsible  under  Article  11.C  of the GE
Agreement.

     2. For Loral Satellite  Capacity.  Customer shall pay AvData the amount set
forth  for the  Loral  Satellite  Capacity  on  AvData's  invoice  therefore  in
accordance with Section I below and Schedule B-3 attached hereto,  within thirty
(30) days of Customer's  receipt of such invoice.  AvData shall invoice Customer
for the Loral Satellite  Capacity provided hereunder as of the first day of each
for which service is to be provided. AvData agrees to promptly credit Customer's
account,  as reflected on the invoice to Customer next following the date of the
interruption  in service or failure,  for an Interruption or Failure (as defined
in the Loral Agreement)  affecting Loral Satellite  Capacity provided  hereunder
(a) to the extent AvData  receives a credit from Loral,  or (b) for which AvData
did not receive a credit  pursuant to Sections  12.(1) or (2) of Codicil 3 Terms
and Conditions of the Loral  Agreement due to the fault of AvData  personally or
any of AvData  customer other than Customer.  The credit shall be equal to a pro
rata  portion  (based  on a month of 30 days)  determined  by the  length of the
interruption in such service as follows:



                                       5
<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

              An  Interruption  or Failure period begins when Customer or AvData
              reports the service to a space segment to be interrupted or failed
              and releases the affected space segment for testing and repair. An
              Interruption  or  Failure  period  ends  when the  affected  space
              segment is  operative.  If Customer  reports a space segment to be
              interrupted  or failed but  declines to release it for testing and
              repair,  it is considered to be impaired,  but not  interrupted or
              failed.  Such credit will be given for any Interruption or Failure
              of **,  ** for each  occurrence  for the  period  of time when the
              space segment is Interrupted or Failed, except when Interrupted or
              Failed for any of the following reasons:

              (1) Interruptions  or Failures  caused by the action or failure to
                  act of  Customer or others  authorized  by Customer to use the
                  affected  space  segment,  not pursuant to the  directions  of
                  Loral.

              (2) Interruptions  or Failures during periods when Customer elects
                  not to release the affected space segment for testing.

              (3) Interruptions or Failures due to the effects of sun transit or
                  receiving earth stations.

              (4) Interruptions or Failures due to service affecting atmospheric
                  conditions.

     3.  Failure  to Pay When  Due.  Notwithstanding  anything  to the  contrary
contained in this Agreement,  AvData may suspend GE Satellite Capacity and Loral
Satellite  Capacity  service on  twenty-four  (24) hours  notice for  failure by
Customer  to pay any sum due,  which has not been cured  within 3 business  days
following  notice  pursuant  to Section K.8 hereof by AvData to Customer of such
failure.


E.       DEPOSIT.

     1. GE Satellite  Capacity  Deposit.  Within three  business days  following
execution  of this  Agreement,  Customer  will pay AvData a deposit  equal to **
($**) (the "GE Deposit"), less 1) the amount currently held on deposit under the
Existing SS  Agreement  (** ($**)),  2) the amounts paid by Customer on or about
May 20, 1998 to secure  provision of additional  satellite  capacity on GE-1 (**
($**)),  and 3) the  amounts  paid by  Customer  to AvData for  back-up  support
services which it did not receive (** ($**)).



                                       6
<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

     2. Loral Satellite  Capacity Deposit.  Within three business days following
execution of this Agreement, Customer will pay AvData a deposit equal to **($**)
(the "Loral Deposit").

     3.  Treatment of Deposit.  The GE Deposit ($**) and the Loral Deposit ($**)
will be held by AvData and  applied in  accordance  with this  Section  E.3.  If
Customer makes all payments under this Agreement  through September 1, 1999 in a
timely manner  (without regard to any applicable  notice and cure period),  then
AvData shall apply one-half of the GE Deposit and one-half of the Loral Deposit,
respectively,  to Customer's  account  hereunder in  accordance  with the AvData
invoices  relating to the three monthly  billing  cycles  immediately  following
September 1, 1999.  To the extent that such  amounts are not so applied,  AvData
shall (i) apply the GE  Deposit  and the Loral  Deposit  to  Customer's  account
hereunder in accordance  with the AvData final monthly  invoices and (ii) refund
the balance, if any, to the Customer upon expiration or other termination of the
Satellite   Capacity  to  which  the  GE  Deposit   and/or  the  Loral  Deposit,
respectively, pertain.


F.       CERTAIN UNDERSTANDINGS.

     1.  Ownership of  Transponders.  Customer  understands  and agrees that the
Satellite Operators are the FCC-authorized  operators of the Satellites and that
Customer  has, and will have,  no  possessory  interest in the space  segment(s)
provided pursuant to this Agreement. Neither this Agreement nor the provision of
the Satellite  Capacity  hereunder shall, or shall be deemed to, convey title or
any  other  ownership  interest  to  Customer  in  or  to  the  Satellites,  any
Transponder  or any part  thereof.  Customer  acknowledges  and  agrees (i) that
nothing  contained  in this  Agreement  shall  prevent  any sale,  mortgage,  or
encumbrance  of  the  Satellite  or any  Transponder  thereof  by the  Satellite
Operators,  (ii) that the Satellite Capacity is provided on a right to use basis
and is not being sold to Customer,  (iii) that neither any  Transponder  nor any
Satellite,  nor any right to use thereof nor any  interest of any type  therein,
shall be subject to any claim,  prior,  subsequent or otherwise,  of Customer or
its  creditors  as a  result  of  this  Agreement,  and  (iv)  that,  as to  any
Transponder,  the rights of Customer  under this  Agreement  will be subject and
subordinate  to the rights of any  purchaser  purchasing  such  Transponder  and
leasing  it back to the  Satellite  Operator  pursuant  to a sale and  leaseback
transaction.  Notwithstanding the foregoing, AvData shall use reasonable efforts
to provide that the foregoing  restrictions  shall not impact or interfere  with
Customer's use of the Satellite Capacity as provided for herein.

     2. Control of Satellite. Customer understands and agrees that the Satellite
Operators  shall  have  sole  and  exclusive  control  of the  operation  of the
Satellites.

     3.  Communication with Satellite.  All  communications  with the Satellites
will be provided through Equipment  controlled by Customer at either the Primary
Hub or Alternate Hub. Customer shall be solely responsible for the operation and
maintenance  of the  Equipment,  except to the extent  provided  in Section  F.5
hereof.


                                       7
<PAGE>


     4. Content Of  Transmissions.  As between AvData and Customer,  Customer is
solely responsible for the content of transmissions using the Satellite Capacity
provided hereunder.

     5.  Satellite  Carrier  Monitoring  Services  of  AvData.  As a part of the
Satellite Capacity and services provided hereunder, through its Advanced Network
Center,  24 hours  per day,  seven  days per  week,  AvData  agrees  to  monitor
Customer's illumination of the Satellite Capacity provided hereunder and Used by
Customer in order to identify and notify  Customer of any problems and anomalies
in the Use thereof.  AvData will also monitor the  illumination and operation of
all other  Satellite  space segments used by AvData or AvData's other  customers
and will notify Customer  promptly upon AvData's  determination  of any improper
illumination,  failure to conform to power,  frequency or access specifications,
or possible transmission  interference by AvData or any customer of AvData which
would  constitute a breach of the GE Agreement  or the Loral  Agreement.  AvData
will use commercially reasonable efforts to assist with the resolution of any of
the aforementioned problems or anomalies with regard to the Satellite Capacity.

                  As part of the provision of these services, Customer agrees to
provide  AvData  with the  necessary  equipment  and  access  means,  and hereby
authorizes  AvData to take such action as AvData deems necessary or appropriate,
to alter or cease  Customer's  illumination of the Satellite  Capacity in Use as
may be required by GE to maintain  compliance  with the GE Agreement  or, as the
case may be, by Loral to maintain  compliance  with the Loral  Agreement,  or to
prevent  charges from GE or Loral for  improper  illumination  of the  Satellite
Capacity.  AvData will use  commercially  reasonable  efforts to notify Customer
prior to  altering  or  ceasing  illumination  of the  Satellite  Capacity.  Not
withstanding  the foregoing,  to the extent that  illumination  of the Satellite
Capacity  is  attributable  to, in whole or in part,  Customer's  negligence  or
willful misconduct, Customer agrees to reimburse AvData for any related improper
illumination charges from GE or Loral.

     6. Notice of Default;  Compliance with Agreements. In the event that AvData
receives  from the Satellite  Operator a written  notice of breach or default by
AvData  under  either the GE  Agreement  or the Loral  Agreement,  AvData  shall
promptly provide notice of the same to Customer.  AvData represents and warrants
to Customer that (i) as of September 1, 1998,  AvData is in material  compliance
with the  terms of the GE  Agreement  and (ii) as of the date of  execution  and
delivery of the Loral Agreement,  AvData will be in material compliance with the
terms of the Loral Agreement.


G.       LIMITATION ON LIABILITY.

     1. Warranty Exclusions, Liability Limited.

                  a. NO WARRANTIES,  EXPRESS,  IMPLIED, OR STATUTORY,  INCLUDING
ANY WARRANTY OF  MERCHANTABILITY OR FITNESS FOR A PARTICULAR  PURPOSE,  APPLY TO
THE SERVICE WITH RESPECT TO THE  SATELLITE  CAPACITY  PROVIDED  HEREUNDER OR THE
EQUIPMENT AND FACILITIES USED TO PROVIDE SUCH SERVICE.


                                       8
<PAGE>


                  b. As a material condition of receiving such service hereunder
at the price specified  herein,  and in regard to any and all causes arising out
of or  relating  to this  Agreement,  including  but not  limited  to  claims of
negligence,  breach of contract or warranty,  failure of a remedy to  accomplish
its  essential  purpose or  otherwise,  Customer  agrees  that  AvData's  entire
liability   for  damages  or  losses   arising  out  of   mistakes,   omissions,
interruptions,  delays,  errors  or  defects  of any kind  with  respect  to its
performance of this Agreement,  or the use, operation,  maintenance,  repair, or
restoration  of the  Satellites,  the  Transponders  used to provide  service to
Customer hereunder, or of other satellites,  transponders,  facilities, services
or equipment furnished to Customer by AvData in accordance with the GE Agreement
and/or the Loral Agreement, including but not limited to tracking, telemetry and
control  facilities  or  services,  or  anything  done in  connection  therewith
regardless of whether occasioned by AvData's  negligence,  shall be limited to a
refund or waiver, as the case may be, of the applicable charges for such service
during  which  such  service is not  provided  and any other  applicable  refund
payable  pursuant  to Section I. This  limitation  shall  not,  however,  affect
Customer's  entitlement to restoration,  where applicable,  in the event of a GE
Transponder   Failure  or  Loral  Satellite   Capacity   Failure.   Credits  for
interruptions  shall be determined  in accordance  with Section D.1 (GE) and D.2
(Loral) hereto.

                  c.  AvData is not liable for  damages  arising out of service,
space  segments,  or equipment  which are not furnished by AvData,  GE or Loral.
Customer  is not liable  for  damages  arising  out of the gross  negligence  or
willful misconduct of AvData.

     2. No Indirect or Consequential Damages.  Neither party shall be liable, in
connection with this Agreement, or the arrangements contemplated hereby, for any
indirect, incidental, consequential,  punitive, special or other similar damages
(whether  in  contract,  tort,  strict  liability  or under any other  theory of
liability),  including  but not  limited  to costs  of  substitute  services  or
facilities, loss of actual or anticipated revenues or profits, loss of business,
customers  or good will,  or damages  and  expenses  arising  out of third party
claims.  The foregoing  exclusion shall apply even if the party has been advised
of the possibility of such damages.

     3. Force Majeure. AvData shall not be liable to Customer for any failure of
or delay in performance with respect to the Satellite  Capacity hereunder due to
causes beyond its commercially  reasonable control. These causes include but are
not limited to: acts of God; fire, flood or other natural catastrophes; the need
to comply with any law or any rule, order, regulation or direction of the United
States  Government,  or of any  other  government,  including  state  and  local
governments having jurisdiction over either party, or of any department, agency,
commission,  bureau, court or other instrumentality  thereof, or of any civil or
military authority;  national  emergencies;  insurrections;  riots; acts of war;
quarantine  restrictions;  embargoes;  or strikes,  lockouts,  work stoppages or
labor difficulties.



                                       9
<PAGE>



H.       INDEMNIFICATION.

     1. Customer shall indemnify and hold AvData harmless from and against,  and
agrees to defend  promptly  AvData  for,  any and all  losses,  damages,  costs,
expenses,  liabilities,  obligations and claims of any kind (including,  without
limitation, reasonable attorneys' fees and other legal costs and expenses), that
AvData may at any time suffer or incur,  or become subject to, as a result of or
in connection with:

                  a. Claims by third parties (including, without limitation, the
Satellite  Operators)  arising  from or  relating  to any failure of Customer to
carry out,  perform,  satisfy and  discharge any of its  covenants,  agreements,
liabilities or obligations under this Agreement;

                  b.   Claims  for  libel,   slander,   invasion   of   privacy,
infringement of copyright or other intellectual property rights arising from the
communications transmitted by Customer or Customer's designees; and

                  c. Any other claim arising from the provision of the Satellite
Capacity to Customer or any Use of the Satellite  Capacity  provided  under this
Agreement and not based on the content of the  communications  transmitted using
the service, except to the extent arising out of the gross negligence or willful
misconduct of AvData.

     2. Any party obligated to provide indemnification  pursuant to this Section
H (the "indemnitor") shall promptly defend any claims against the party entitled
to  indemnification  from  the  indemnitor  pursuant  to  this  Section  H  (the
"indemnitee"),  any  affiliated  company  of the  indemnitee  or  any  of  their
respective  directors,   officers,   agents  or  employees  (together  with  the
indemnitee,  the "indemnified group"), with counsel of the indemnitor's choosing
at its own cost and expense.  The indemnitee shall cooperate with, and assist as
reasonably  requested  by, the  indemnitor  in the  defense  of any such  claim,
including the settlement  thereof on a basis  stipulated by the indemnitor (with
the indemnitor  being  responsible  for all costs and expenses of defending such
claim or making such  settlement);  provided,  however,  that (1) the indemnitor
shall not, without the indemnitee's  consent,  settle or compromise any claim or
consent  to any entry of  judgment  which  does not  include  the  giving by the
claimant  or the  plaintiff  to  each  member  of the  indemnified  group  of an
unconditional  release from all  liability  with respect to such claim,  (2) the
indemnitee  shall be entitled to  participate  at its sole expense in support of
the  indemnitor's  action the defense of any such claim and to employ counsel at
the  indemnitee's  own expense to assist in the handling of such claim,  and (3)
the indemnitee  shall have the right to pay, settle or compromise any such claim
as to itself,  provided that in such event the  indemnitor  shall be relieved of
any  liability or  obligation  which would  otherwise  then or  thereafter  have
existed or arisen under this Section H in respect of such claim.

     3. In the  event  any  criminal,  civil  or  administrative  proceeding  or
investigation (other than civil proceedings for libel,  slander, or infringement
of copyright or other intellectual  property rights,  which shall be governed by
Sections  H.1  and  H.2  hereof)  is  instituted  against  AvData  or any of the
directors,  officers, agents or employees of AvData (the "Indemnified Parties"),
based  upon the  content of any  communication  which is  transmitted  using the
service  provided  hereunder,  Customer  shall  indemnify  and save harmless the
Indemnified Parties from all costs, expenses (including attorney fees and expert
witness  fees),  liabilities  and  damages  of any  nature,  including,  without
limitation,  to the  extent  permitted  by law,  any  fines or  other  penalties
resulting  from  or  arising  out of such  proceedings  or  investigations.  The

                                       10
<PAGE>

Indemnified  Party  shall have the  right,  but not the  obligation,  to require
Customer to conduct the defense of the Indemnified Party in any such proceedings
or investigations at the expense of Customer. If the Indemnified Party elects to
conduct its own  defense,  Customer  shall  nevertheless  remain  liable for all
costs,  expenses,  liabilities and damages resulting from or arising out of such
proceedings or investigations.

     4.  AvData  will  provide  Customer  with  prompt  notice  of any claim for
indemnification  hereunder;  provided  that the failure of an indemnitee to give
timely notice hereunder shall not affect its right to indemnification hereunder,
except to the extent  that  Customer  demonstrates  that it has been  materially
prejudiced by such failure.


I.       PAYMENTS TO AVDATA.

     1. Payment Terms.

                  a.  Unless  otherwise  provided,  any sum due  AvData  for the
provision of the Satellite  Capacity shall be invoiced and payable in advance on
the first day of each month for which service is to be provided.

                  b. If any payment of any sum due from Customer is not received
by AvData  within  thirty (30) days after such payment is due, then such overdue
amount shall be subject to a delinquency charge at the rate of interest equal to
one and one-half  percent (1 1/2%) per month,  from the date such overdue amount
was actually due until the date it is actually received by AvData.

                  c.  Customer's  obligations  to  make  the  monthly  Satellite
Capacity  payments  provided by Section D above and Section I.2.  below shall be
absolute  and  unconditional  and shall not be  affected  by any  circumstances,
including, without limitation, any setoff, counterclaim,  recoupment, defense or
other right which Customer may have against AvData or anyone else for any reason
whatsoever.

                  d. The charges specified herein do not include any amounts for
sales,  gross  receipts,  use,  transfer,   Universal  Service  Fund,  property,
privilege,  license,  excise or similar taxes,  fees or assessments which may be
levied by any governmental  agency on this Agreement,  the services  provided or
the payments made hereunder.  Any such taxes or charges (excluding any income or
similar  taxes of AvData or the Satellite  Operators)  shall be paid directly by
Customer to the taxing authority,  if legally permitted.  Otherwise, if required
to be paid by AvData  (excluding  any income or  similar  taxes of AvData or the
Satellite Operators), the amount shall be reimbursed to AvData by Customer. Upon
request,  Customer  shall  provide  AvData with tax exemption  certificates,  if
applicable, or evidence of tax payments, if made by Customer.



                                       11
<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

     2. Required  Satellite  Capacity.  Commencing as of the Commencement Date ,
Customer shall pay AvData:

                  a.       ** ($**) per month for the GE Satellite Capacity; and

                  b.       **  ($**) per month for the Loral Satellite Capacity.


J.       TERMINATION.

     1. Events of  Termination.  The  obligation of the parties  hereunder  with
respect to the GE Satellite  Capacity shall  terminate  automatically  on the GE
Termination  Date  and  with  respect  to the  Loral  Satellite  Capacity  shall
terminate automatically on the Loral Termination Date, unless terminated earlier
pursuant to one of the following paragraphs:

                  a. Termination By Either Party. The obligations of the parties
hereunder  (i) with respect to the GE Satellite  Capacity may be  terminated  by
either party by prior written notice to the other if the GE Agreement terminates
for any reason  other than  breach by AvData and (ii) with  respect to the Loral
Satellite  Capacity may be terminated  by either party by written  notice to the
other if the Loral  Agreement  terminates  for any reason  other than  breach by
AvData.  However,  the foregoing  right of  termination  shall apply to only the
affected  Satellite  Capacity and this  Agreement  shall  continue in force with
respect to the remaining portion of Satellite Capacity.  AvData agrees to notify
Customer  promptly if AvData gives or receives  notice of  termination of the GE
Agreement  or the Loral  Agreement.  If so  terminated,  AvData  shall refund to
Customer  a prorated  amount of any  prepaid  monthly  charges,  and  Customer's
deposit,  for the terminated  capacity and AvData shall have no other or further
liability to Customer hereunder with respect to such capacity.

                  b.  Defaults  by  Customer.  Notwithstanding  anything  to the
contrary  and in  addition  to all other  remedies  AvData may have,  AvData may
immediately  cancel this  Agreement and  accelerate  all remaining  payments due
through the respective  termination  dates, if (the events  described in clauses
(i),  (ii) and (iii) below being  referred to  collectively  as  "Defaults"  and
individually as a "Default"):

                    (i)  (A)  Customer  fails  to pay when  due any  amount  due
                         pursuant  to this  Agreement  or pursuant to the Master
                         Agreement   within  ten  (10)  days  after  AvData  has
                         delivered   written   notice   to   Customer   of  such
                         non-payment,   (B)  Customer  violates  the  terms  and
                         conditions  of Schedule  A-2 hereto or of Schedule  B-2
                         hereto  and fails to cure  such  violation  within  any
                         applicable  cure  period,  or (C) except as provided in
                         the foregoing clauses (A) and (B), Customer breaches in
                         any material  respect any other  obligation  under this
                         Agreement,  which  failure  has not been  cured  within
                         thirty  (30) days after  AvData has  delivered  written
                         notice to Customer of such failure.


                                       12
<PAGE>


                    (ii) Customer ceases doing business as a going concern,  has
                         the Case  converted  from  Chapter  11 to a  Chapter  7
                         proceeding or fails to pay AvData $69,342.50 on account
                         of its filed  pre-petition  claim within the earlier of
                         eighteen  (18) months from the date hereof and the date
                         specified  in a plan of  reorganization  in the Case in
                         accordance  with  the  terms  thereof.   Following  the
                         effective date of Customer's plan of reorganization, it
                         shall  be a  default  hereunder  if  Customer  makes an
                         assignment  for the  benefit  of  creditors,  admits in
                         writings its  inability to pay its debts as they become
                         due,  files a  voluntary  petition  in  bankruptcy,  is
                         adjudicated  as  bankrupt  or  an  insolvent,  files  a
                         petition   seeking   for  itself  any   reorganization,
                         arrangement,  composition,  readjustment,  liquidation,
                         dissolution or similar arrangement under any present or
                         future  statute,  law or  regulation or files an answer
                         admitting the material  allegations of a petition filed
                         against  it in  any  such  proceeding,  consents  to or
                         acquiesces in the appointment of a trustee, receiver or
                         liquidator of it or of all or any  substantial  part of
                         its assets or properties,  or if it or its shareholders
                         shall take any action  looking  to its  dissolution  or
                         liquidation.

                    (iii)With the  exception  of the Case,  if within sixty (60)
                         days after the commencement of any proceedings  against
                         Customer    seeking    reorganization,     arrangement,
                         readjustment,   liquidation,   dissolution  or  similar
                         relief  under any  present  or future  statute,  law or
                         regulation  such   proceedings   shall  not  have  been
                         dismissed,  or if  within  sixty  (60)  days  after the
                         appointment  without Customer's consent or acquiescence
                         of any trustee,  receiver or liquidator of it or of all
                         or any  substantial  part of its assets and properties,
                         such appointment shall not have been vacated.

                  Upon termination  pursuant to this Section J.1.b, AvData shall
                  be entitled to transfer the Satellite Capacity  immediately to
                  whomever  AvData sees fit,  Customer  shall not be entitled to
                  any equitable  relief as a result thereof,  but Customer shall
                  be entitled to a refund of any accelerated payments made by it
                  to AvData to the extent that AvData recovers amounts in excess
                  of its damages by reselling the terminated Satellite Capacity.

                  c.  Termination  by  Customer.  In event that AvData  fails to
provide the Satellite  Capacity to Customer as a result of the  termination by a
Satellite  Operator of the GE Agreement or the Loral Agreement,  as the case may
be,  due to a default  by  AvData,  or AvData  otherwise  fails to  provide  the
Satellite  Capacity in breach of this  Agreement,  provided that Customer not in
Default  hereunder,  Customer shall have the right to reduce Satellite  Capacity
under this Agreement to the extent of the Satellite  Capacity received hereunder
from such Satellite  Operator if AvData fails to cure such failure within thirty
(30) days after receiving  written notice of such failure from Customer.  AvData
agrees to notify Customer if AvData receives notice of a default by AvData under
the GE  Agreement  or the  Loral  Agreement.  If the  Satellite  Capacity  is so
reduced,  AvData shall (i) refund to Customer the amount of any prepaid  monthly
charges for the  terminated  Satellite  Capacity  prorated  from the date AvData
failed  to  provide  such  Satellite   Capacity  and  (ii)  provide   reasonable
cooperation,  at Customer's request and expense, with any efforts by Customer to
contract  directly with the  Satellite  Operator for such  terminated  Satellite
Capacity,  and AvData shall have no other or further  liability to Customer with
respect to such terminated Satellite Capacity.

                                       13
<PAGE>

     2. Pro  Ration of  Payments.  If the  Satellite  Capacity  is  reduced or a
portion  terminated  pursuant  to the  terms  of  this  Agreement,  the  monthly
Satellite  Capacity  payments  shall be  reduced  pro  rata on the  basis of the
Satellite Capacity band width.

     3.  Refund  Sole  Remedy  for  Unavailability.  The  payment of a refund to
Customer  under this  Section J or the  granting of a credit  under  Section D.1
where  such a  refund  or  credit  is  provided,  shall be  Customer's  sole and
exclusive remedy under this Agreement for the  unavailability  of service on the
GE Transponder.

     4.  Continuation  after  Termination  of  Master  Agreement.   The  parties
acknowledge  and agree that this  Agreement is separate and  independent  of the
Master  Agreement.  Subject to Section J.1.b.  above,  this  Agreement,  and the
parties'  rights and  obligations  hereunder,  shall  continue in full force and
effect notwithstanding any termination of, or default by either party under, the
Master Agreement.


K.       MISCELLANEOUS.

     1.  Headings.  The headings used in this  Agreement are for  convenience of
reference only and shall not affect the interpretation hereof.

     2.  Waiver.  No delay or omission by either  party to exercise any right or
power  shall  impair  any such  right or  power or be  construed  to be a waiver
thereof.  A waiver by either of the parties of any of the covenants,  conditions
or  agreements  to be performed by the other or any breach  thereof shall not be
construed  to be a waiver  of any  succeeding  breach  thereof  or of any  other
covenant, condition or agreement herein contained.

     3.  Severability.  If, but only to the extent that,  any  provision of this
Agreement is declared or found to be illegal,  unenforceable  or void, then both
parties shall be relieved of all obligations  arising under such  provision,  it
being the intent and  agreement  of the  parties  that this  Agreement  shall be
deemed amended by modifying  such  provision to the extent  necessary to make it
legal and  enforceable  while  preserving  its intent.  If that is not possible,
another  provision that is legal and enforceable and achieves  substantially the
same objective shall be  substituted.  If the remainder of this Agreement is not
affected  by  such   declaration  or  finding  and  is  capable  of  substantial
performance then the remainder shall be enforced to the extent permitted by law.

     4. Relationship of Parties. AvData is performing pursuant to this Agreement
only as an independent  contractor and nothing set forth in this Agreement shall
be construed to create any  partnership  or the  relationship  of principal  and
agent between  AvData and  Customer.  Neither  AvData nor Customer  shall act or
attempt to act or represent itself,  directly or by implication,  as an agent of
the other party or its Affiliates or in any manner assume or create,  or attempt
to assume or create,  any  obligation on behalf of, or in the name of, the other
party or its Affiliates.


                                       14
<PAGE>


     5.  Approvals and  Authorizations.  The  obligations  of the parties hereto
shall be subject to obtaining and maintaining all necessary regulatory and other
governmental  approvals  and  authorizations.  The  parties  agree to use  their
respective and, where applicable,  collective best reasonable  efforts to obtain
promptly and maintain any such approvals.

     6. Notices. Subject to Section K.8 below, all notices hereunder shall be in
writing  and shall be given  (and  shall be deemed to have been duly  given upon
receipt) by delivery in person,  by cable,  telecopy,  telegram or telex,  or by
registered or certified mail (postage prepaid,  return receipt requested) to the
respective parties as follows:

         If AvData, send to:                      If Customer, send to:
         AvData Systems, Inc.                     MobileComm
         55 Marietta Street                       One Executive Drive
         Atlanta, GA  30303                       Fort Lee, NJ   75219
         Attn:  Judith H. Drobinski               Attn:  General Counsel
         V.P. - Corporate Affairs                 With a copy to:

                                                  MobileComm
                                                  6221 N. O'Connor, Suite 116
                                                  Irving, Texas 75039
                                                  Attn: Chief Technology Officer

Notices will be deemed to have been given hereunder when delivered,  as shown by
appropriate receipt confirmation.

     7.   Confidentiality.   Each  party  hereby  agrees  that  all  non-public,
confidential or proprietary information communicated to it by the other party or
its customers,  whether before or after the date of this Agreement, shall be and
was  received  in strict  confidence,  shall be used only for  purposes  of this
Agreement, and, for a period of five (5) years following the termination of this
Agreement, shall not be disclosed by such party, its agents or employees without
the prior  written  consent of the other  party,  except as may be  necessary by
reason of legal,  accounting or regulatory  requirements  beyond the  reasonable
control of the disclosing party. The obligations set forth in this Section shall
survive  termination of this Agreement.  Each party agrees that this restriction
shall not apply to any information which is (1)  independently  developed by the
receiving party or (2) otherwise in such party's possession through no breach of
this  restriction by the receiving  party or (3) otherwise in the public domain.
With  respect  to  the  terms  of the  GE  Agreement  and  any  confidential  or
proprietary  information of GE received by Customer,  Customer  agrees to comply
with and to be bound by the  confidentiality  obligations  of AvData to GE under
the GE Agreement as if Customer were the "Customer" thereunder.  With respect to
the terms of the Loral Agreement and any confidential or proprietary information
of Loral received by Customer, Customer agrees to comply with and to be bound by
the confidentiality  obligations of AvData to Loral under the Loral Agreement as
if Customer were the "Customer" thereunder.


                                       15
<PAGE>


     8. Urgent Notices By Telephone.  Notices of other  technical or operational
matters requiring  immediate  attention,  may be given by telephone.  Each party
will  designate a point or points of contact where the other party may call on a
7 day-a-week,  24 hour-a-day  basis. Any notice given verbally will be confirmed
in writing as soon as practicable  thereafter pursuant to the procedures set out
in Section K.6 above.

     9.   Applicable  Law  and  Entire   Agreement.   This  Agreement  shall  be
interpreted,  construed and governed in accordance with the laws of the State of
Georgia  WITHOUT  REGARD TO ITS  CONFLICTS  OF LAWS  PRINCIPLES  OR RULES.  This
Agreement  constitutes the entire agreement between the parties,  supersedes all
previous  understandings,  commitments or representations and is intended as the
complete  and  exclusive  statement  of the terms of the  agreement  between the
parties concerning the subject matter hereof.  This Agreement may not be amended
or modified in any way, and none of its  provisions  may be waived,  except by a
writing signed by each party hereto.

     10.  Attorney's  Fees. In the event of any dispute or  controversy  arising
hereunder,  any court having  jurisdiction  in any such  dispute or  controversy
shall determine which of the parties is the prevailing  party and shall award to
the prevailing  party the reasonable  fees and expenses of counsel,  experts and
other court costs incurred in connection with such dispute or controversy.

     11. No Right of Transfer.  Customer shall not, and shall not have the right
to, grant, sell, assign, encumber, permit the utilization of, license, lease, or
otherwise convey, directly or indirectly,  in whole or in part (individually,  a
"Transfer"),  the Satellite Capacity, or any of its rights under this Agreement,
to any other  entity or person  except to an  Affiliate  or  successor to all or
substantially all of the assets and business of Customer pursuant to a confirmed
plan of reorganization in the Case.

     12.  Resale.  Customer  may not  resell  all or any  part of the  Satellite
Capacity to a third party without AvData's prior written consent and only (i) to
the extent  permitted by  applicable  law and (ii) so long as there is no change
from the initial loading plan or subsequent  authorized  Different Loading Plan.
Customer  shall  be  solely  responsible  for any  permitted  resale  and  shall
indemnify and hold AvData and the Satellite  Operators harmless for any claim or
liability for damages made by any third party in connection with such resale.

     13. Successors and Assigns.  Subject to Section K.11. above, this Agreement
shall be binding on and shall inure to the benefit of any successors and assigns
of the parties,  provided  that no assignment  of this  Agreement  shall relieve
either  party  hereto of its  obligations  to the  other  party.  Any  purported
assignment  by  either  party  not in  compliance  with the  provisions  of this
Agreement shall be null and void and of no force and effect.


                                       16
<PAGE>


                  IN WITNESS WHEREOF, each of the parties hereto has caused this
Agreement  to be duly  executed  on its  behalf  by an  officer  thereunto  duly
authorized, all as of the day and year first above written.



                              AVDATA SYSTEMS, INC.



                              By:
                              Title:
                              Date:
                              Signed:


                              MOBILEMEDIA COMMUNICATIONS, INC.



                              By:
                              Title:
                              Date:
                              Signed:






                                     17
<PAGE>


                                  SCHEDULE A-1
                              GE SATELLITE CAPACITY

     The following pertinent paragraphs are excerpted from the agreement between
GE and AvData:

1.       ARTICLE 1.        DEFINITIONS

         As used in this agreement:

     I.  "End of Life" or  "EOL"  means  the  date on  which,  in GE  Americom's
reasonable  judgment,  a  satellite  should be taken out of  service  because of
insufficient fuel.

     J. "Failed  Satellite" or  "Satellite  Failure"  means a satellite:  (1) on
which  one or  more  of the  basic  subsystems  fail,  rendering  the use of the
satellite for its intended purposes impractical, as determined by GE Americom in
its  reasonable  business  judgment,  or on  which  more  than  one-half  of the
transponders are transponder  failures,  and (2) that GE Americom has declared a
failure.  For purposes of this  definition,  a hybrid satellite with both C-band
and Ku-band payloads shall be treated, at GE Americom's option,  either (i) as a
single  satellite or (ii) as though the C-band and Ku-band payloads were located
on separate satellites.

     K. "Failed Transponder" or "Transponder Failure" means, with respect to any
Transponder  used to provide service to AvData under this Agreement,  any of the
following events:

     1)   Such   Transponder   fails   to  meet  the   Transponder   Performance
          Specifications  in any  material  respect  for any  period of five (5)
          consecutive days;

     2)   Twenty  (20) or more Outage  Units shall occur  within any ninety (90)
          consecutive days; or

     3)   Such  Transponder  shall  fail to  meet  the  Transponder  Performance
          Specifications  in any  material  respect for any period of time under
          circumstances that make it clearly ascertainable or predictable, based
          on  satellite  industry  engineering  standards,  that any failure set
          forth in Paragraphs 1. or 2. will occur.

For  purpose of this  definition,  measurement  of periods of failure  hereunder
shall commence when AvData has vacated its signal to permit  verification of the
existence of the failure by GE Americom.

     L. "Fully  Protected  Service"  or "Fully  Protected  Transponder"  means a
satellite  service or transponder  that, if  restoration  thereof is needed as a
result of a satellite  failure,  or as a result of a  transponder  failure under
circumstances  in which no Protection  Transponder is available on the satellite
on which such  satellite  service or  transponder  is  located,  is  entitled to
restoration,  subject to availability of facilities and to the conditions of the
applicable contract, on another satellite.


<PAGE>

     V.  "Protected  Service"  or  "Protected  Transponder"  means a service  or
transponder  that is entitled to preempt a  Preemptible  Service or  Preemptible
Transponder.  A Protected  Service may be a  Transponder-Protected  Service or a
Fully Protected Service.

     W. "Protection  Transponder" means a Replacement  Transponder,  Preemptible
Transponder or unassigned transponder used to restore a Protected Service.

     X. "Replacement Date" means the date on which a successor  satellite to the
Satellite  or to the  Ku-band  payload  of the  Satellite  is made  Commercially
Operational at the orbital location to which the Satellite is assigned.

     Y. "Replacement  Transponder"  means a spare transponder  amplifier and its
associated components, which is accessible for purposes of restoral and which is
capable of carrying communications traffic within the parameters as described in
the transponder performance specifications for the transponder to be restored.

     A-A. "Satellite" means (1) the communications spacecraft designated GE-1 to
be constructed,  launched and operated by GE Americom, or (2) if GE-1 shall have
become a Launch  Failure,  the Ground Spare,  or (3) if GE-1 becomes a Satellite
Failure, a suitable replacement if made available by GE Americom, or (4) another
communications spacecraft designated by GE Americom pursuant to Section 2.A.1.).
When  used  in the  lower  case,  "satellite"  means a  domestic  communications
satellite operating in KU-band (12/14/Ghz).

     D-D.  "Transponder" means a Ku-band radio frequency transmission channel on
the Satellite,  having a nominal bandwidth of 36 MHz, used to provide service to
AvData  pursuant  to the terms of this  Agreement.  When used in the lower case,
"transponder"  means  a  Ku-band  radio  frequency  transmission  channel  on  a
communications satellite.

     G-G. "Transponder Protected Service" or "Transponder Protected Transponder"
means a satellite  service or  transponder  that may not be preempted to restore
another  service or  transponder,  that is itself  entitled  to be  restored  by
Protection  Transponders  on the same  satellite  but that is not entitled to be
restored if there is no such Protection Transponder available.

2.       ARTICLE 2.        SCOPE AND TERM

A.       Scope.

     1) GE  Americom  agrees to provide  Full Time  Transponder  Protected  SCPC
service to AvData,  and AvData agrees to take such service from GE Americom,  in
accordance  with the terms and  conditions  set  forth in this  Agreement,  on a
Ku-band  Transponder on the Satellite.  The transponder number shall be assigned
by GE Americom approximately two months prior to the date on which the Satellite
is scheduled to become Commercially Operational.  GE Americom reserves the right
to reassign AvData's service to a different  frequency within the Transponder or
to another  transponder on the Satellite that is of the same polarization as the
Transponder.




<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

     2) The  service is  provided  on a  Transponder-Protected  Transponder  and
encompasses  a maximum  of 15 MHz of  allocated  bandwidth,  with a  maximum  of
39.2dBW/8333  watts of downlink EIRP as measured at Vernon  Valley,  New Jersey.
Within sixty (60) days after signature of this Agreement by both Parties, AvData
shall  notify GE Americom of the amount of allocated  bandwidth,  not to be less
than 1.9 MHz, AvData is to be provided during the first month of service. Unless
this  Agreement  is  terminated  earlier  in  accordance  with the terms of this
Agreement,  for the next  thirty-seven (37) months of service or until AvData is
provided  within 15 MHz of allocated  bandwidth  in any given  month,  whichever
occurs  first (the  "Initial  Phase"),  AvData  shall be provided  with the same
capacity as the preceding month unless AvData notifies GE Americom in writing at
least sixty (60) days prior to the start of any month  during the Initial  Phase
that it is increasing  the amount of capacity  AvData is to be provided with for
the  respective  month.  In no event  shall the amount of  capacity in any month
during this  Initial  Phase be less than the amount of capacity  provided in the
preceding  month and increases in capacity shall be in 200 Khz  increments.  For
each 200 Khz of capacity  provided to AvData  pursuant  to this  Agreement,  the
corresponding power level shall be 20.5dbW/112.2 watts.

     Unless this Agreement is terminated earlier in accordance with the terms of
this  Agreement,  for  the  months  following  the  Initial  Phase  through  the
fifty-eighth month of service, AvData shall be provided with 15 MHz of bandwidth
and 39.2dbW/8333 watts of power each month.  Provision of uplink and/or downlink
equipment and its operation and maintenance are the  responsibility of AvData at
AvData's location(s).

4.       ARTICLE 4.        CREDITS FOR INTERRUPTIONS OR OUTAGES

A. Method of Calculation.  Credits for  Interruptions in the service provided to
AvData under this  Agreement  shall be granted in accordance  with this Article.
The length of an Interruption shall be measured from the time AvData notifies GE
Americom of the Interruption. For the purpose of calculating the credit, a month
is considered to have thirty (30) days.

         1)       Interruptions of 24 Hours of Less

                  Credit for Interruptions will be allowed as follows:

Length of Interruption                 Credit
**                                     **






<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED


Two or more  Interruptions  of **, during any period up to but not including **,
shall be considered as one Interruption.

     2) Interruptions Over 24 Hours.  Credit will be allowed in ** multiples for
each ** period of Interruption or fraction thereof.  No more than one full day's
credit will be allowed for any period of twenty-four (24) hours.

B.  Events  Not  Constituting  Creditable  Interruptions.  A credit  will not be
granted  for  any  service  outage  or  disruption  that  is  a  result  of,  or
attributable in whole or in part, to:

     1) the fault of AvData or of any third party;

     2) the failure or unavailability of satellites,  transponders,  facilities,
services,  or equipment furnished to AvData by any other entity that may be used
in  conjunction  with  GE  Americom's  satellites,   transponders,   facilities,
services, or equipment, or any act or omission of such other entity; or

     3) sun outages or rain fade;

     4) suspensions of service made in accordance  with this  Agreement,  unless
the applicable  provision of this Agreement expressly provides for granting of a
credit hereunder;

     5) any cause for  which GE  Americom  otherwise  is not  responsible  under
Section 11.C.

5.       ARTICLE 5.        TRANSPONDER PROTECTED SERVICE

     If the  Transponder-Protected  Transponder on which the service is provided
to AvData hereunder becomes a Transponder Failure, GE Americom shall immediately
initiate all reasonable  measures,  consistent with protecting the Satellite and
all services provided thereon,  to restore the Transponder Failure as quickly as
is practicable. Restoration shall be effected in the following manner and order,
on a  first-needed,  first-serviced  basis:  first,  by utilizing  any available
Replacement  Transponder of the same  Transponder  Class on the  Satellite;  and
second, if no such Replacement  Transponder is available, by using an unassigned
or Preemptible  Transponder of the same Transponder  Class and same polarization
on the Satellite,  if available.  If no such Protection Transponder is available
on the Satellite, AvData's service shall not be restored and this Agreement will
terminate. The Transponder-Protected Transponder on which service is provided to
AvData may not be preempted to restore another service or transponder.

14.      ARTICLE 14.  TERMINATION

     B. By AvData.  AvData may terminate this Agreement  within ninety (90) days
after the commencement of the Service Term and upon ten (10) days' prior written
notice of intent to terminate to GE Americom if the Transponder on which service
is  provided  to  AvData  under  this  Agreement  does not meet in all  material
respects the Transponder  Performance  Specifications on the commencement of the
Service Term;  provided,  however,  that before AvData may terminate for reasons
specified in this Paragraph,  GE Americom shall be given thirty (30) days either
to bring the  Transponder  into  compliance  in all material  respects  with the
Transponder Performance Specifications or to make available to AvData service on
a Protection  Transponder on the Satellite which meets in all material  respects
the Transponder Performance Specifications.



<PAGE>


                                  SCHEDULE A-2
            ADDITIONAL TERMS AND CONDITIONS OF GE SATELLITE CAPACITY


     1. Earth Station  Requirements and Satellite Access  Specifications.  Earth
station requirements,  satellite access specifications, and operating procedures
for the GE Satellite Capacity are set forth in the Users Guide.  Customer agrees
to conform its uplink earth station  transmissions to the access  specifications
and comply with the operating procedures.  Prior to transmitting from either the
Primary  Hub or the  Alternate  Hub,  Customer  will  cooperate  with  AvData to
demonstrate  for the ability of each of the Primary Hub and the Alternate Hub to
perform in accordance with the access specifications.

     2.  Improper  Operation.  In the event of any failure of Customer to comply
with the guidelines,  instructions, and requirements provided by GE with respect
to the GE Satellite Capacity,  or if operation by Customer interferes materially
with  GE's  other  satellite  services  or with the use of  other  transponders,
Customer agrees to correct such improper operation immediately upon discovery or
receiving notice from AvData or GE of the occurrence of such improper operation.
In the event of Customer's  failure to  discontinue,  AvData or GE may take such
action as is reasonable  and necessary in the  circumstances  to eliminate  such
improper operation, including suspending Customer's use of the services, without
any liability for loss or damage whatsoever, until such time as Customer is able
to operate in a proper manner.  Customer will pay AvData, as liquidated damages,
Two Hundred  Dollars ($200) for each minute improper  operation  continues after
Customer  has been  notified  of such  improper  operation;  provided  that,  if
Customer  discovers  such improper  operation  prior to the time the Customer is
notified,  the duration of the improper  operation shall be measured at the time
of  discovery.  The  foregoing  assessment  will  only be  applicable  if AvData
determines in its reasonable  judgment that Customer is not utilizing good faith
efforts in attempting to resolve such improper operation.

     3. Action to Protect Satellite. GE shall have sole and exclusive control of
operation of the GE Satellite.  If circumstances  occur which in GE's reasonable
judgment  pose a threat to the stable  operation of the GE  Satellite,  GE shall
have the right to take  appropriate  action to protect the Satellite,  including
discontinuance  or  suspension  of  operation  of  the  GE  Satellite,   the  GE
Transponder  on which  Customer  is taking  service  or any  other  transponder,
without any  liability  to  Customer,  except that  Customer  may be entitled to
receive a credit as provided for in this  Agreement.  AvData shall give Customer
as much notice as practical under the  circumstances of any such  discontinuance
or suspension.

     4. Testing.  GE and/or AvData may suspend service to Customer  hereunder on
such notice as is reasonable under the  circumstances for purposes of testing in
connection  with a failure or  suspected  failure of a component or subsystem of
the GE Satellite  or any  transponder  thereon,  or in response to an order of a
court or  governmental  agency,  or to  determine  the  cause or  source  of any
interference.  In  addition,  GE shall have the right to  periodically  transmit
essential  station  keeping  signals to selected  transponders  including the GE
Transponder  on the GE  Satellite  providing  the GE  Satellite  Capacity.  Such
transmissions will not degrade the performance of such receiving transponder. If
in the GE's judgment,  any of such transmissions actually degrades the receiving
transponder's performance, GE will discontinue such transmission until such time
as performance is no longer degraded.


<PAGE>

     5. Applicable Law. Construction,  launch, location, and operation of the GE
Satellite  and GE's  satellite  system are  subject to all  applicable  laws and
regulations,  including,  without limitation, the Communications Act of 1934, as
amended,  and the rules and  regulations  of the FCC.  Both parties shall comply
with all such applicable laws and regulations.

     6. Prohibited Use.  Customer agrees that it will not itself use the service
with  respect to the GE  Satellite  Capacity,  and will not  authorize or permit
others,  including,  without  limitation,  its  successors,   subcontractors  or
transferees, (hereinafter "Customer's Designees") to use the service to transmit
unlawful  programming of any nature.  Customer and Customer's  Designee will not
transmit  programming  containing  "sexually  explicit conduct" as defined in 18
U.S.C.  ss.  2256(2)  unless the depiction or  description  of such conduct in a
communication is integrally  related to and advances the thematic content of the
program and such content has serious literary, artistic, political or scientific
value.

     7.  Response to  Governmental  Action or  Litigation.  GE and/or AvData may
terminate,  prevent,  or restrict  any  communications  using the  service  with
respect  to  the  GE  Satellite  Capacity  provided  hereunder  as  a  means  of
transmission  if such actions (i) are  undertaken at the request or by direction
of a governmental agency (including the FCC) or (ii) are taken subsequent to the
institution against GE, AvData,  Customer,  or Customer's  Designees,  any legal
entity affiliated with any of them, or any of the directors,  officers,  agents,
or employees of GE, AvData, Customer, Customer's Designees, or their affiliates,
of criminal,  civil, or administrative  proceedings or investigations based upon
the  content of such  communications,  other than civil  proceedings  for libel,
slander, or infringement of copyright or other intellectual property rights.

     8.  Actions  in  Response  to Other  Circumstances.  GE and/or  AvData  may
terminate,  prevent  or  restrict  any  communications  using  the GE  Satellite
Capacity provided hereunder as a means of transmission  ("Suspension Event") if,
in the  judgment of GE after review of the content of such  communications,  (1)
such actions are reasonably appropriate to avoid violation of applicable law; or
(2)  there  is  a  reasonable  risk  that  criminal,   civil  or  administrative
proceedings or investigations based upon the content of such communications will
be instituted against GE or AvData or any of the directors,  officers, agents or
employees thereof; or (3) such communications will expose GE or AvData to costs,
expenses,  liability,  damages, fines or other penalties from which GE or AvData
is not  protected by  arrangements  for  compensation,  indemnity  and insurance
provided by Customer.  AvData shall provide  notice of any  Suspension  Event to
Customer  promptly  following  AvData's  receipt of written notice from GE as to
such Suspension Event.

     9. No Waiver.  A decision by the  Satellite  Operator or AvData at any time
that  action to  terminate,  prevent,  or restrict  communications  is or is not
warranted  shall not  operate  to, or be deemed  to,  limit or waive the GE's or
AvData's right to take or not take action at another time to terminate, prevent,
or restrict communications.




<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

                                  SCHEDULE A-3
                 GE SATELLITE CAPACITY/MONTHLY recurring charges

Item description                                     Monthly recurring price
- ----------------                                     -----------------------
2.9 MHz of Ku-band capacity on GE1 satellite                 **




<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

                                  SCHEDULE B-1
                            LORAL SATELLITE CAPACITY

     The following pertinent paragraphs are excerpted from the agreement between
Loral and AvData:

5.       TYPES OF SPACE SEGMENTS

FULLY PROTECTED SPACE SEGMENTS (If Applicable)

     Except  where the failure is caused by the actions or inactions of Customer
not pursuant to directions of SKYNET.  "Fully protected" space segments,  in the
event of failure,  shall be restored using spare equipment that may be available
on the satellite at the time of failure, or on a comparable space segment on the
same  satellite,  or on  another  SKYNET  satellite  then in orbit  pursuant  to
Paragraph 7 ("RESTORATION  OF A FULLY PROTECTED  FAILED SPACE SEGMENT")  hereof.
Fully Protected space segments are non-preemptible and protected.

6.       SPACE SEGMENT INTERRUPTION OR FAILURE

     For the purposes of the  Agreement:  (i) an  interruption  ("Interruption")
shall be  defined as a period  during  which a space  segment  fails to meet the
network  performance  parameters  specified  by the Customer and as indicated in
Section 1 ("SERVICE") of the Agreement, such that the space segment is precluded
from  being  used  for its  intended  commercial  purpose,  and  (ii) a  failure
("Failure") shall be defined as any of the following:

     a)   the inability,  for any period of **, to pass signals  through a space
          segment  when  it  is  illuminated  with  any  authorized  transmitted
          carrier, or

     b)   an interruption for any period of ** , or

     c)   **or more interruptions of at least ** or longer per occurrence within
          any period of thirty (30) consecutive days.

For purposes of this  Paragraph 6 ("SPACE  SEGMENT  INTERRUPTION  OR  FAILURE"),
measurement  of period of  Interruption  or  Failure  shall  commence  only upon
Customer's  written or verbal  notification to SKYNET's Hawley earth station and
Customer  having  vacated its signal from the affected  space  segment to permit
SKYNET's verification of the existence of the Interruption or Failure.




<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

7.       RESTORATION OF A FAILED SPACE SEGMENT

FULLY PROTECTED SPACE SEGMENT (If Applicable)

     In the event any Fully Protected space segment  provided  hereunder  fails,
pursuant to Paragraph 6 ("SPACE SEGMENT  INTERRUPTION OR FAILURE") above, and if
SKYNET is unable to restore  service on the affected  space segment by switching
in spare  equipment  that may be available on the  satellite at the time of such
failure, then SKYNET shall restore such service either (1) on a space segment of
the same frequency band,  having the same bandwidth and the equivalent  power as
the failed space segment, on the same satellite or (2) on a space segment of the
same  frequency  band,  having  the same or greater  bandwidth,  and the same or
greater  power,  on another SKYNET  satellite then in orbit.  Such space segment
will then become the Fully Protected Space segment.

12.      CREDIT ALLOWANCES

     Credit allowances may be given to AVDATA for Interruptions  and/or Failures
as defined in Paragraph 6 ("SPACE SEGMENT INTERRUPTION OR FAILURE") above. These
credit  allowances will be applied against amounts not yet paid, or in the event
of such interruption or failure during the final month of Service will result in
a refund equal to the amount of the credit allowance. An Interruption or Failure
period  begins when the  Customer  reports the service to a space  segment to be
interrupted  or failed and releases the affected  space  segment for testing and
repair.  An  Interruption or Failure period ends when the affected space segment
is operative.  If AVDATA reports a space segment to be interrupted or failed but
declines to release it for testing and repair,  it is considered to be impaired,
but not  interrupted or failed.  For  calculation of such credit  allowance each
month is  considered  to have thirty (30) days.  Such credit  allowance  will be
given for any  Interruption  or Failure of ** for each occurrence for the period
of time when the space segment is Interrupted or Failed, except when Interrupted
or Failed for any of the following reasons:

     (1)  Interruptions  or  Failures  caused by the action or failure to act of
          AVDATA  or others  authorized  by  AVDATA  to use the  affected  space
          segment, not pursuant to the directions of SKYNET.

     (2)  Interruptions  or Failures  during  periods when AVDATA  elects not to
          release the affected space segment for testing.

     (3)  Interruptions  or  Failures  due to the  effects  of  sun  transit  or
          receiving earth stations.

     (4)  Interruptions  or  failures  due  to  service  affecting   atmospheric
          conditions.




<PAGE>


                                  SCHEDULE B-2
           ADDITIONAL TERMS AND CONDITIONS OF LORAL SATELLITE CAPACITY

     1. FCC  Compliance.  AvData  represents  and  warrants to Customer  that if
AvData has the right to terminate the Agreement  under Section 24.2 of the Loral
Agreement  with respect to the Loral  Satellite  Capacity,  Customer  may,  upon
thirty  (30)  days  written  notice to  AvData,  terminate  the Loral  Satellite
Capacity  service  provided  hereunder,  and AvData will refund to Customer  the
amount  of any  prepaid  monthly  charges  for the  terminated  Loral  Satellite
Capacity.

     2.  Non-Interference.  Customer's  radio  transmissions  (and  those of its
uplinking agents) to the Loral Satellite shall comply, in all material respects,
with all Laws  applicable to it regarding the operation of the Loral  Satellite,
space  segment,  and any backup space segments to which Customer is given access
pursuant to this  Agreement  and shall not  interfere  with the use of any other
space  segment or cause  physical harm to this space  segment,  any backup space
segment to which Customer is given access pursuant to this Agreement,  and other
space segments, or to the Loral Satellite on which the space segment is located.
Further, Customer will coordinate with (and will require its uplinking agents to
coordinate with) Loral, in accordance with procedures reasonably  established by
Loral  and  uniformly  applied  to all  users of  space  segments  on the  Loral
Satellite,  its transmissions to the Loral Satellite, so as to minimize adjacent
space segment and adjacent satellite interference. For purposes of this Section,
interference  shall also mean acts or omissions,  which cause a space segment to
fail to meet its space  segment  performance  parameters.  Without  limiting the
generality of the  foregoing,  Customer (and its uplinking  agents) shall comply
with all FCC  rules  and  regulations  regarding  use of  automatic  transmitter
identification systems (ATIS).

     3. Improper  Illumination.  In the event improper illumination of any space
segment on the Loral  Satellite  provided  under this  Agreement  is detected by
AvData  or  Loral,  Customer  shall be  notified  and,  if AvData is not able to
correct such illumination,  Customer shall take prompt corrective action to stop
the improper illumination. If, for any reason, Customer does not take corrective
action,   Customer   shall  be  charged  $1,100  per  minute  for  any  improper
illumination  that continues  beyond the five minute period after  notification.
Furthermore,  if prompt corrective action is not taken by Customer, AvData shall
have  the  right  to take  immediate  action  to  protect  its  services  or its
interests,  including but not limited to suspending  or  terminating  Customer's
service on the affected  space  segment.  Customer will provide  AvData with all
necessary   information   and   equipment   required  to  correct  any  improper
illumination or to cease transmission to the Loral Satellite.

     4.  Changes In  Operations  or  Procedures.  AvData is not  responsible  to
Customer if a change in  operations,  procedures or  transmission  parameters of
Loral: (i) affects any facilities, Customer equipment or Customer communications
systems in any way, or (ii) requires their modification in order to be used with
any space segment provided pursuant to this Agreement.  However, if such changes
can be reasonably  expected to materially  affect the operating or  transmission
characteristics  of the  Loral  Satellite  Capacity,  or  render  with the Loral
Satellite  Capacity,  any Customer equipment or Customer  communications  system
incompatible  with the Loral  Satellite  Capacity,  AvData shall use  reasonable
efforts to provide adequate notice, in writing, to allow Customer an opportunity
to  maintain  uninterrupted  service.  Neither  AvData nor Loral  shall have any
obligation  to change or modify any  components,  operations or procedures to be
compatible with Customer.


<PAGE>

     5.  Conformance  to Loading Plan.  Customer shall not transmit to any space
segment  of the Loral  Satellite  provided  under this  Agreement  in any manner
different  than such space  segment's  initial  loading  plan,  unless  Customer
submits,  and AvData and Loral authorize a different loading plan (an "Different
Loading Plan") at least thirty (30) days before the authorized Different Loading
Plan is in effect. To the extent that AvData authorizes any space segment on the
Loral  Satellite  for use of multiple  carriers  where the number of carriers is
greater than the initial  loading plan,  then Customer shall pay its appropriate
portion of any multiple  carrier  charge imposed by Loral for the affected space
segment.

     6. Space Segment  Allocation.  Assignment of the specific space segments to
be used for the Loral Satellite  Capacity remains the sole prerogative of AvData
and Loral.  During the Loral Term,  AvData shall have the right to change any of
the space segment  assignments on the Loral  Satellite with not less than thirty
(30) days prior written notice to Customer.

     7.  Refusal  Of  Service.   Loral  and/or  AvData  shall  have  the  right,
immediately   upon  oral  or  written   notice,   to  prevent  or  restrict  any
communications  using the Loral Satellite  Capacity provided  hereunder,  in the
event  that  Loral has reason to believe  (1) the Loral  Satellite  Capacity  is
being,  or is intended  to be, used in a way that Loral or AvData  might have to
rely  on  the  substance  of  Sections  G  ("Limitation   of  Liability")  or  H
("Indemnification")  of the Agreement or (2) the material  being  transmitted by
Customer  is harmful to Loral or AvData  name or  business or (3) if Customer is
indicted or is otherwise charged as a defendant in a criminal proceeding,  or is
convicted  under  any  obscenity  law,  or has been  found  by any  governmental
authority to have  violated any such law.  Nothing in this Section 7 of Schedule
B-2 of the Agreement shall affect any other term or condition hereof, including,
without   limitation,   any   obligation   under  Section  H  of  the  Agreement
("Indemnification")  or any  obligation  to pay the rates in Section  D.2 of the
Agreement ("Billing") throughout the Loral Term.

     8.  General  Obligations.  In  the  event  Customer  breaches  any  of  its
obligations in connection with the usage procedures and  restrictions  described
in this  Agreement  with  respect to the Loral  Satellite  Capacity,  including,
without limitation, transponder usage, non-interference, government regulations,
preemptive rights, and no transfer,  then AvData may, in its sole discretion and
in  addition to the  exercise  of its other  rights  against  Customer,  require
Customer to cease  transmissions  to any or all of the  affected  transponder(s)
provided  hereunder and take any actions  necessary to enforce  AvData's rights.
Customer will pay to AvData all expenses (including attorney's fees) incurred in
connection with AvData's  enforcement against Customer arising out of Customer's
use of the affected transponder(s).




<PAGE>



                       ** CONFIDENTIAL TREATMENT REQUESTED

                                  SCHEDULE B-3
               LORAL SATELLITE CAPACITY/MONTHLY recurring charges

Item description                                         Monthly recurring price
- ----------------                                         -----------------------
4.4 MHz of Ku-band capacity on the Telstar 4 satellite            $**



                                                                 EXECUTION COPY


                   MASTER LEASE FOR TRANSMITTER SYSTEMS SPACE


      LESSOR: PINNACLE TOWERS INC.           LESSEE: MOBILEMEDIA
              1549 Ringling Blvd.                    COMMUNICATIONS, INC.
              Third Floor                            Suite 116
              Sarasota, FL  34236                    6221 North O'Connor Blvd.
              Telecopy:  (941) 364-3761              Irving, TX  75039-3541
              Attn:  Robert J. Wolsey                Telecopy:  (972) 501-1599
                                                     Attn:  Site Lease
                                                            Administrator





DATE:  September 3, 1998

     A. Lessor or its  Affiliates  own,  lease or manage the antenna tower sites
and the related  underlying  land as identified  in Schedule A hereto  ("Initial
Lessor Sites"). As used in this Master Lease For Transmitter Systems Space (this
"Lease"),  "Lessor Sites" refers  individually  and  collectively to the Initial
Lessor Sites and any other antenna tower sites and the related  underlying  land
("Additional  Lessor  Sites") that Lessor or its  Affiliates  may own,  lease or
manage from time to time during the Initial Term (defined in Section 2(a) below)
or the  Renewal  Term  (defined  in Section  2(a)  below).  Schedule A indicates
whether  the Lessor  Site is owned,  leased or managed by Lessor or a  specified
Affiliate.  The  Lessor  Sites  include  antenna  tower  sites  and the  related
underlying land at which, as of the date hereof,  Lessee rents space from Lessor
as a tenant under other leases ("Existing Other Leases"). Each Lessor Site shall
include such  portion of the related  underlying  land (the "Land")  which shall
provide  appropriate  and  adequate  space  thereon  for Lessee to  install  its
Transmitter  System (defined in Paragraph B below), and other equipment upon the
antenna tower (or towers) and in the  equipment  shelter at each Lessor Site, as
is commercially  reasonable under the  circumstances.  Schedule A also lists the

<PAGE>

existence of any mortgages or other liens which  encumber any Lessor Sites as of
the date hereof. As used herein,  "Affiliate" means, when used with reference to
a specific  individual or entity,  any  individual  or entity that,  directly or
indirectly, or through one or more intermediaries, owns or controls, is owned or
controlled  by, or is under  common  ownership  or  common  control  with,  such
individual or entity.  As used herein,  "control"  means the power to direct the
management  or  affairs  of an  entity,  and  "ownership"  means the  beneficial
ownership of more than 50% of the equity interests of such entity.

     B.  Lessor  desires  to lease to Lessee  and  Lessee  desires to lease from
Lessor  space at all the Lessor  Sites  specified  on Schedule B hereto (as such
Schedule may be amended  periodically  in connection with a substitution of Site
Spaces pursuant to Sections 1(c), 2(c), 2(d),  5(a),  5(d),  10(a),  10(d) or 11
below)  (the  "Premises  Sites")  for  installation  and  operation  of Lessee's
Transmitter  Systems  on the terms set forth  herein  (including  the  Schedules
hereto).  As used  herein,  a  "Transmitter  System"  means any radio  frequency
transmission   and  reception   equipment,   including,   but  not  limited  to,
transmitter,  receiver,  satellite  reception dish,  transmit  antenna,  receive
antennas and associated  cabinetry and cabling (including existing equipment and
any upgrades, enhancements and related substitutions,  improvements,  accessions
and  additions  thereto),  but in any  event,  for  purposes  hereof,  a  single
Transmitter  System shall not exceed a single cabinet (including a hot standby),
three (3) antennas, a satellite dish, a multicopuler,  a multiplexer (or similar
devices if applicable), and battery back-up equipment, except to the extent that
from time to time Lessee makes changes to the composition thereof (which changes
shall not include installing an additional transmitter) that are consistent with
the prevailing  industry  practices and which changes do not materially  detract
from the remaining capacity of the subject tower.

     1. Leased Premises;  Lessor Sites; Supplemental Sites. (a) Schedule B lists
the  particular  Premises  Sites at which Lessor  shall make space  available on
towers (the "Towers") and the Land for the  installation and operation by Lessee
of Transmitter  Systems and related equipment,  and indicates the number of such
spaces that will be available at each of the Premises  Sites (the "Site Spaces",

                                       2
<PAGE>

as such list may from time to time be amended in connection  with a substitution
of Site Spaces pursuant to Sections 1(c), 2(c), 2(d), 5(a), 5(d),  10(a),  10(d)
or 11 below).  As used  herein,  "Site  Space"  includes the related Land at the
applicable Lessor Site. The Site Spaces shall be made available to Lessee at the
specific tower heights at which Lessee presently  operates  Transmitter  Systems
thereon as of the date hereof,  and as soon as reasonably  practicable after the
date hereof,  Schedule B shall be amended to list such specific  tower  heights.
For this  Lease,  there  shall not be more than one (1)  Transmitter  System per
individual  Site Space.  Lessor hereby leases to Lessee space at the Site Spaces
for the Transmitter  Systems and related  equipment  permitted  hereunder on the
terms and conditions  specified herein. If Lessee's  equipment will be connected
to a multiplexer  or similar  device at any of the Site Spaces,  Lessee shall be
responsible for all costs of multiplexer  modules and other  equipment  required
for the connection.

     (b) At any time and from time to time during the term of this  Lease,  upon
Lessee's  request,  Lessor shall promptly  notify Lessee of the existence of all
Additional  Lessor Sites in the  locations  requested by Lessee,  and Schedule A
shall be automatically supplemented to include such Additional Lessor Sites (but
no such  Additional  Lessor Site shall be a Premises  Site except in  accordance
with the other terms  hereof).  Lessor shall furnish to Lessee from time to time
other  information  regarding  Additional  Lessor Sites as Lessee may reasonably
request.


     (c) From time to time throughout the term of this Lease,  Lessee shall have
the right to  request  that  space at any  Lessor  Sites,  at  specific  heights
designated  by  Lessee,  be  made  available  to  Lessee  as a "Site  Space"  in
substitution  for an existing Site Space, on a one-for-one  substitution  basis.
Lessor shall use commercially  reasonable  efforts to facilitate and accommodate
all Lessee requests  regarding the substitution of Site Spaces. The substitution
of Site Spaces shall become  effective on the date  designated  by Lessee in its
substitution  request notice, which date shall not be less than thirty (30) days
nor more than ninety (90) days following  Lessee's  delivery of the substitution
request  notice and by the designated  date Lessee shall remove its  Transmitter
Systems and related  equipment  from such  existing  Site Space,  unless  Lessor


                                        3
<PAGE>

within twenty (20) days after it receives such request notice denies the request
by providing Lessee with a written  explanation  regarding the unavailability of
such space due to capacity  constraints.  Notwithstanding  the  foregoing,  with
respect  to space at a Lessor  Site for which  Lessor  has  denied a request  by
Lessee for  substitution  space,  Lessor  shall be entitled to modify,  renew or
extend  any  existing  leases,  provided,  however,  if space at the  applicable
Tower(s)  becomes  available  within  six (6)  months  after  Lessor  has denied
Lessee's space substitution  request,  Lessor shall not otherwise be entitled to
enter into new leases,  licenses or other similar arrangements for space at such
Lessor  Site  unless  Lessor  gives  Lessee  an  opportunity  of first  refusal,
exercisable by Lessee within ten (10) days following written notice from Lessor,
entitling  Lessee to  designate  a specific  height at such  Lessor Site (to the
extent of availability) as a substitution site space ("Substitution Site Space")
pursuant to the above  provisions  of this  Section  1(c),  and in its  exercise
notice  Lessee shall  designate a date,  which shall not exceed thirty (30) days
after the exercise  notice  date,  when such  substitution  of Site Spaces shall
become  effective  and by when Lessee shall remove its  Transmitter  Systems and
related  equipment  from  the  existing  Site  Space.  The  lease  term  of  any
substitution  Site Space pursuant to this Section 1(c) or Sections  2(c),  2(d),
5(a),  5(d),  10(a),   10(d)  or  11  below  shall  be  a  continuation  of  the
then-existing  lease term of the  predecessor  Site  Space.  "Substitution  Site
Space"  includes  the  related  Land at the  applicable  Lessor  Site.  Upon the
effectiveness of the  substitution of a Site Space, the Substitution  Site Space
shall become a Site Space for purposes of this Lease, including any substitution
of Site Spaces pursuant to Lessee designations of Other Lease Spaces (defined in
Section 2(c) below) as Site Spaces pursuant to Sections 1(f),  2(c), 2(d), 5(a),
5(d),  10(a),  10(d) or 11 below,  and the parties shall as soon as  practicable
amend Schedule B to reflect such substitution.

     (d)  Lessor  shall  provide  Lessee  with such  information  and  officer's
certificates as Lessee may reasonably  request of Lessor,  from time to time, to
demonstrate Lessor's compliance with this Section l.

     (e) With  respect to any new lease that  Lessee may enter into with  Lessor
for  antenna  tower space at Lessor  Sites that are not Site  Spaces  under this


                                       4
<PAGE>

Lease ("New Other  Leases" and together  with the  Existing  Other  Leases,  the
"Other Leases"),  Lessor shall use commercially reasonable efforts to lease such
other  space (the  "Supplemental  Sites") to Lessee at a rental rate which is at
least twenty percent (20%) less than the  prevailing  rental rate that Lessor is
then charging for the leasing of space for equivalent Transmitter Systems at the
applicable  Supplemental  Site,  and the lease for the  Supplemental  Site shall
contain other commercially  reasonable terms as Lessor and Lessee may agree upon
(and shall not be governed by the other terms of this Lease).  Lessor and Lessee
shall in good faith negotiate New Other Leases  regarding the leasing of antenna
tower  space by Lessee at Lessor  Sites for  Lessee's  Transmitter  Systems  and
related  equipment,  which  as of  the  date  hereof  are  installed  on  Towers
("Acquired  Towers") that Lessor acquired under the Purchase  Agreement dated as
of July 7, 1998 as amended (the "Purchase  Agreement") among Lessor,  Lessee and
certain  of its  Affiliates,  and which  Transmitter  Systems  are not listed on
Schedule B (but neither Lessor nor Lessee shall be under any obligation to enter
into any such lease).

     (f) The  provisions  of this Section 1(f) shall be  applicable  only in the
event that as of the date hereof Lessee has installed fewer than 683 Transmitter
Systems on the Acquired Towers ("Site Space Shortfall").  The positive numerical
difference  (if any)  between  683 and the number of  Transmitter  Systems  that
Lessee has installed on the Acquired Towers as of the date hereof is referred to
herein as the "Shortfall Number". In the event of a Site Space Shortfall, Lessee
may in its discretion  (from time to time)  designate such number of Other Lease
Spaces  ("Shortfall  Substitution Site Spaces") under any Other Leases up to the
Shortfall  Number,  which designated Other Lease Spaces shall become Site Spaces
under this Lease,  the Other Leases shall terminate as to the Other Lease Spaces
and  Lessee  shall have no further  rental or other  obligation  under the Other
Leases with respect thereto.  The parties shall amend Schedule B to reflect such
substitution, as applicable. (In the event that pursuant to the above provisions
of this Section 1(f) Lessee has not  designated  Other Lease Spaces in an amount
equal  to the  Shortfall  Number,  Lessee  shall  remain  obligated  to pay  any
Shortfall  Monthly  Payment  pursuant to the below  provisions  of this  Section
1(f).) The dollar amount  difference,  if any, between (i) $1,300  multiplied by


                                       5
<PAGE>

the Shortfall  Number less (ii) the aggregate  monthly  rental payable by Lessee
for the  Shortfall  Substitution  Site  Spaces  is  referred  to  herein  as the
"Shortfall  Monthly  Payment".  As applicable  under this Section 1(f), for each
month until the fifth (5th) anniversary of the date of this Lease,  Lessee shall
pay to  Lessor  the  amount  (if any) of the  Shortfall  Monthly  Payment.  Each
Shortfall  Monthly  Payment  shall be  considered  to be the payment of rent for
purposes of Sections 3(b), 3(c) and 15 below.  Notwithstanding the foregoing, in
the event that Lessee terminates any lease of Site Spaces  (including  Shortfall
Substitution  Site Spaces)  hereunder  pursuant to Sections 2(d),  5(d),  10(a),
10(d),  11 or 16 below prior to the fifth (5th)  anniversary of the date of this
Lease, for purposes of calculating any Shortfall  Payment Amount,  the Shortfall
Number  shall be  reduced  by the  aggregate  number of Site  Spaces  (including
Shortfall  Substitution  Site  Spaces) as to which this Lease is so  terminated.
There shall be no Shortfall  Monthly Payment  relating to any period on or after
the fifth (5th) anniversary of the date of this Lease.

     2. Term.

          (a) The initial  lease term for each Site Space shall be fifteen  (15)
years (the  "Initial  Term") from the date hereof;  provided that the lease term
for each Site Space shall automatically renew for one (1) renewal period of five
(5) years (the "Renewal Term"), unless Lessee terminates this Lease with respect
to such Site  Space (i) upon prior  written  notice by Lessee to Lessor no later
than ninety (90) days before the  expiration of the Initial Term.  Lessee in its
termination notice may designate any or all of the Site Spaces for termination.

          (b) If Lessee holds over at a Site Space after the  expiration  of the
term with respect thereto, this Lease shall revert to a month-to-month term with
respect to such Site  Space,  and rent for such Site Space shall be the rent for
such Site Space during the last month of the preceding  term. Each of Lessor and
Lessee shall have the right  during any  month-to-month  term to terminate  this
Lease with  respect to such Site Space,  without  cause,  upon thirty (30) days'
prior written notice to the other party.



                                       6
<PAGE>

          (c) If with respect to a Premises Site (i) any ground lease ("Assigned
Ground  Lease")  that was  assigned  or  deeded to  Lessor  under  the  Purchase
Agreement  terminates  on a date prior to the fifth  (5th)  anniversary  of this
Lease because the stated term thereof ended prior to the fifth (5th) anniversary
of this Lease and  Lessor has not  committed  a breach or default  with  respect
thereto  or (ii) any other  non-fee  ownership  possessory  interest  ("Assigned
Non-Fee  Possessory  Interest")  that was  assigned to Lessor under the Purchase
Agreement  terminates  on a date prior to the fifth  (5th)  anniversary  of this
Lease and Lessor  has not  committed  a breach or  default  in respect  thereto,
Lessee shall remain  obligated to pay the per month rent provided  under Section
3(a) below for the duration of the Initial Term as to the Site  Space(s) at such
Premises  Sites  ("Terminated  Assigned  Interest  Site  Space"),  unless Lessee
occupies a  Substitution  Site Space  pursuant to the below  provisions  of this
Section  2(c).  (The  Assigned  Ground  Leases and Assigned  Non-Fee  Possessory
Interests are referred to herein  individually  as an "Assigned  Ground Lease or
Possessory  Interest".) A "non-fee ownership  possessory  interest" includes any
real  property  which is  referred  to as an "Owned  Site"  under  the  Purchase
Agreement but as to which the "Sellers"  thereunder  have not conveyed fee title
to  Purchaser.  Lessor shall use  commercially  reasonable  efforts to cause the
terms  (including  any  options of  renewal) of each  Assigned  Ground  Lease or
Possessory  Interest  to be at least  coextensive  with  the term of this  Lease
(including the Renewal Term), and Lessee shall cooperate in connection therewith
as provided in Section  7.09(a) of the Purchase  Agreement.  With respect to any
Terminated  Assigned  Interest Site Space,  for the duration of the Initial Term
following  termination  of the  relevant  Assigned  Ground  Lease or  Possessory
Interest,  unless there is a Substitution Site Space that is identified and made
available to Lessee,  Lessor and Lessee shall in good faith attempt to determine
whether other space at any Lessor Site is comparable to such Terminated Assigned
Interest Site Space in terms of location and geography,  functionality and other
relevant  factors  (except to the extent that Lessee waives the  requirement  of
comparability),  and if such space can be identified by the parties Lessor shall
use  commercially  reasonable  efforts to make such space available to Lessee as
soon as reasonably practicable,  and such other space and the related land shall
become a Substitution  Site Space in  substitution  for the Terminated  Assigned


                                       7
<PAGE>

Interest Site Space. Lessee shall pay all the costs incurred by Lessee in moving
Transmitter Systems and related equipment to such Substitution Site Space. As an
alternative to the Site Space  substitution  procedures  provided above,  Lessee
shall have the option to  designate  space and the related  land under any Other
Lease  at which  Lessee  leases  space  for a  Transmitter  System  and  related
equipment  ("Other Lease Space") as a  Substitution  Site Space,  in which event
such Other Lease Space shall become a  Substitution  Site Space in  substitution
for the Terminated  Assigned  Interest Site Space,  such Other Lease Space shall
become a  Substitution  Site  Space  under this  Lease,  the Other  Lease  shall
terminate as to the Other Lease Space and Lessee shall have no further rental or
other obligation under the Other Lease with respect thereto.

          (d) If with respect to a Premises Site where Lessor is a ground lessee
or Lessor is otherwise not the fee owner of the underlying land, if effective on
or after the fifth (5th)  anniversary of the date hereof  Lessor's  leasehold or
other  non-fee  ownership  possessory  interest in the Premises  Site expires or
terminates ("Early Termination Site Space"), Lessee shall have no further rental
or other obligation  hereunder with respect to such Early Termination Site Space
(subject  to  Sections  8(b),   13(a)(ii)  and  17  below).   Lessor  shall  use
commercially  reasonable  efforts to cause the terms of such  ground  leases and
other non-fee ownership possessory interests to be at least coextensive with the
term of this Lease  (including  the  Renewal  Term).  If this  Lease  expires or
terminates as to a Early Termination Site Space, Lessor and Lessee shall in good
faith attempt to determine  whether other space at any Lessor Site is comparable
to such  Early  Termination  Site  Space  in terms of  location  and  geography,
functionality and other relevant factors, and if such space can be identified by
the  parties  and  provided  that  Lessor is in a  position  to make such  space
available  to Lessee  no later  than (30)  days  after the  expiration  or other
termination  of this Lease as to the Early  Termination  Site Space,  such other
space  and  the  related  land  shall  become  a  Substitution   Site  Space  in
substitution  for the Early  Termination  Site Space.  Lessor  shall pay all the
reasonable  costs incurred by Lessee in moving  Transmitter  Systems and related
equipment from the Early Termination Site Space to such Substitution Site Space.
As an  alternative to the Site Space  substitution  procedures  provided  above,
Lessee  shall  have  the  option  to  designate  any  Other  Lease  Space  as  a


                                       8
<PAGE>

Substitution Site Space in substitution for the Early Termination Site Space, in
which event such Other Lease Space shall become a Substitution  Site Space under
this Lease,  the Other Lease  shall  terminate  as to such Other Lease Space and
Lessee shall have no further  rental or other  obligation  under the Other Lease
with respect thereto.

     3. Rent.

          (a) During the  Initial  Term,  for each Site Space that is subject to
this Lease,  Lessee  shall pay rent at a rate equal to $1,300 per month.  During
the  Renewal  Term,  for each Site Space that is subject to this  Lease,  Lessee
shall pay the "fair market  monthly  rent"  applicable  to each Site Space.  For
purposes of this Section 3(a),  "fair market monthly rent" as to each Site Space
refers to the rent that is generally  being charged at the time of  commencement
of the  Renewal  Term in the market  where such Site Space is located for making
tower space  available  for  Transmitter  Systems,  at spaces and sites and with
respect to Transmitter  Systems which are similar to the Site Space and Lessee's
Transmitter  System  that is  then-installed  at such Site  Space.  Between  two
hundred  forty (240) and one hundred  eighty  (180) days prior to the end of the
Initial Term, Lessor shall deliver to Lessee a proposal by Lessor as to the fair
market  monthly  rent for each Site Space for the  Renewal  Term.  If Lessor and
Lessee cannot agree on the fair market  monthly rent with respect to one or more
Site  Spaces at least one  hundred  thirty  (130)  days  prior to the end of the
Initial  Term,  then Lessor and Lessee  shall at least one hundred  twenty (120)
days prior to the end of the Initial Term each appoint an appraiser for purposes
of  determining  the fair market  monthly  rent as to such Site  Spaces.  If the
appraisers  are  unable to agree on the fair  market  monthly  rent  within  the
succeeding  thirty (30)-day  period,  they shall select a third appraiser within
fifteen  (15)  days  thereafter.  If they  are  unable  to  agree  on the  third
appraiser,  either party,  by giving ten (10) days' written  notice to the other
can apply to the presiding judge of the trial court of the general  jurisdiction
in the county in which the subject Site Space is situated,  for the selection of
a third appraiser. The third appraiser,  however selected, shall be a person who
has not  previously  acted in any capacity for either party.  Within thirty (30)
days after the selection of the third  appraiser,  a majority of the  appraisers


                                       9
<PAGE>

shall set the fair market  monthly  rent.  If a majority of the  appraisers  are
unable to do so within such thirty (30) day period,  the two closest  appraisals
shall be added  together  and  their  total  shall be  divided  by two,  and the
resulting  quotient  shall be deemed to be the fair market  monthly  rent.  Each
party shall be responsible for  compensating  their  respective  appraiser,  and
shall bear equally the compensation payable to any third appraiser.

          (b) Rent  shall be due no later  than the first  day of each  calendar
month  with  respect  to which such rent is  payable  (subject  to Section  3(c)
below). Rent for any fractional month at the beginning or end of a term shall be
prorated.  If payment is not  delivered by the 10th  business day of such month,
Lessor  has the  option  to  charge a late fee not to  exceed  one and  one-half
percent  (1.5%) of the delinquent  amount.  Notice of the imposition of any such
late fee must be given in writing to Lessee  within ten (10) business days after
such tenth  (10th)  business  day.  Failure to give such  notice  will result in
forfeiture of any late fee in such month.

          (c) Lessee in its discretion from time to time may withhold and setoff
against rent payable hereunder the amount of any payments or reimbursements that
Lessor is delinquent in making under Section 6 below,  and any such  withholding
and setoff by Lessee shall not be deemed a breach by Lessee, and shall not limit
Lessee's  other rights and  remedies  under this Lease or available to Lessee at
law or in equity.

     4. Installation.

          (a) Lessee  shall  install  and  operate at the Site  Spaces  only the
Transmitter Systems and related equipment, and the cost of Lessee's installation
and licensing fees shall be borne solely by Lessee.

          (b) During the  installation,  repair or  maintenance of a Transmitter
System and related equipment at a Premises Site, Lessee shall not cause material
interference to the activities of Lessor or other lessees at such Premises Site.
Lessee shall install its Transmitter  Systems and related  equipment in a manner
consistent with good engineering  practices.  If such  interference is caused by


                                       10
<PAGE>

Lessee and cannot be reduced to levels reasonably  acceptable to Lessor,  Lessee
shall  immediately halt all installation  work, repair or maintenance and Lessor
may elect to  terminate  this  Lease as to such Site  Space by giving  Lessee at
least ten (10) days  written  notice and  thereafter  Lessee's  only  obligation
hereunder  with  respect  to  such  Site  Space  shall  be  the  removal  of the
Transmitter  System and  equipment in  accordance  with Section 16 below and the
payment of any past due rent remaining for such Site Space.

     5. Uses of Leased Premises.

          (a) Lessee  shall use the Site Space and  conduct  its  communications
operations  thereon in compliance  with the terms of its Federal  Communications
Commission ("FCC") licenses and applicable regulations imposed by the FCC or any
other  governmental  agency and shall otherwise  comply with all applicable laws
relating to its use of the Site Spaces.  Lessee  shall,  if  requested,  provide
Lessor  with  copies  of such  licenses.  If a  license  is  denied or Lessee is
otherwise prohibited from operating a Transmitter System at a Site Space because
of any law, regulation,  governmental decree, court order or similar action, and
Lessee  notifies  Lessor  and  provides  evidence  to Lessor  of such  denial or
prohibition,  Lessee may terminate this Lease as to the  applicable  Site Space,
or, if the denial or  prohibition  relates to a Transmitter  System,  Lessee may
terminate  this Lease as to such  number of Site Spaces that equal the number of
denied or prohibited  Transmitter  Systems, as so designated by Lessee ("License
Termination Site Space").  Licensee shall use commercially reasonable efforts to
obtain and maintain any FCC licenses that Lessee is required to hold in order to
operate at such Site  Space.  The  termination  of this Lease with  respect to a
License Termination Site Space shall become effective thirty (30) days following
written  notification  from Lessee to Lessor,  and Lessee  shall have no further
rental or other  obligation  hereunder with respect to such License  Termination
Site Space (subject to Sections 8(b),  13(a)(ii) and 17 below).  Notwithstanding
the  foregoing,  until the fifth  (5th)  anniversary  of the date of this Lease,
Lessee shall  continue to have rental  obligations  hereunder  with respect to a
License  Termination  Site  Space  (although  Lessee  might not be  operating  a
Transmitter System at the License Termination Site Space) unless Lessee occupies


                                       11
<PAGE>

a  Substitution  Site Space  pursuant to the  provisions set forth below in this
Section 5(a). If this Lease  terminates as to a License  Termination Site Space,
Lessor and Lessee shall in good faith  attempt to determine  whether other space
at any Lessor Site is comparable to the License  Termination Site Space in terms
of location and geography, functionality and other relevant factors, and if such
space can be identified by the parties and provided that Lessor is in a position
to make such space  available to Lessee no later than thirty (30) days after the
termination of this Lease as to the License  Termination Site Space,  such other
space  and  the  related  land  shall  become  a  Substitution   Site  Space  in
substitution for the License  Termination  Site Space.  Lessee shall pay all the
costs  incurred by Lessee in moving  Transmitter  Systems and related  equipment
from the License  Termination Site Space to such  Substitution Site Space. As an
alternative to the Site Space  substitution  procedures  provided above,  Lessee
shall have the option to designate any Other Lease Space as a Substitution  Site
Space in  substitution  for the License  Termination  Site Space, in which event
such Other Lease Space shall become a Substitution  Site Space under this Lease,
the Other Lease shall  terminate  as to such Other Lease Space and Lessee  shall
have no further  rental or other  obligation  under the Other Lease with respect
thereto.



<PAGE>


          (b)  Lessee  shall  have a  non-exclusive  right of access to all Site
Spaces and Premises Sites  twenty-four (24) hours a day, 365 days a year for its
employees, agents, contractors or representatives; provided that with respect to
Substitution  Site  Spaces,  Lessee  shall be subject to any  reasonable  access
restrictions  that apply uniformly to all tenants at the Substitution Site Space
if the  restrictions  are  described  on  Schedule  B prior to the date on which
Lessee commits to lease such Substitution Site Space pursuant to this Lease.

          (c)  Neither  the Lessee nor the  Lessor  shall  bring onto any of the
Premises  Sites any  hazardous  substances  or hazardous  wastes in violation of
applicable laws.

          (d) Lessee shall not cause  objectionable  interference of any kind to
the  operations  of  Lessor  or  other  lessees  at any of the  Premises  Sites.
"Objectionable  interference" means any material degradation of signal in excess


                                       12
<PAGE>

of levels  permitted by the FCC, as well as interference to consumer  electronic
devices and blanketing interference under the applicable FCC rules. If Lessee is
notified  in  writing  by Lessor  that  Lessee's  operations  are  causing  such
objectionable interference,  Lessee shall, at its expense, immediately undertake
all reasonable steps to determine the cause of and eliminate such  interference.
If the  interference  continues  for a period  in  excess  of  seventy-two  (72)
consecutive hours following  notification,  Lessor shall have the right to cause
Lessee to promptly  cease  operating  the  offending  equipment or to reduce the
power  sufficiently  to  remove  the  interference  until the  condition  can be
remedied.  Lessee shall continue to be obligated to pay rent with respect to the
applicable Site Spaces  (subject to the next sentence),  and Lessor shall not be
held liable for any damages or loss of revenues resulting  therefrom.  If Lessee
is required to  discontinue  its  operation at one (1) or more Site Spaces under
this Section 5(d) for a period in excess of sixty (60) days,  and provided  that
Lessee has diligently  pursued all  reasonable  cures and is unable to eliminate
the interference, then Lessee shall have the right to terminate this Lease as to
the affected  Site Space(s)  ("Interference  Site Spaces") at such Premises Site
and (commencing on the applicable termination date) Lessee shall have no further
rental or other obligation hereunder with respect to such Site Space (subject to
Sections  8(b),  13(a)(ii)  and 17  below).  If this Lease  terminates  as to an
Interference  Site  Space,  Lessor  and Lessee  shall in good  faith  attempt to
determine  whether  other  space  at  any  Lessor  Site  is  comparable  to  the
Interference  Site Space in terms of location and geography,  functionality  and
other relevant  factors,  and if such space can be identified by the parties and
provided  that  Lessor is in a position to make such space  available  to Lessee
within  thirty  (30) days  following  the  termination  of this  Lease as to the
Interference  Site Space,  such other space and the related  land shall become a
Substitution Site Space in substitution for the Interference Site Space.  Lessee
shall pay all the costs  incurred  by Lessee in moving  Transmitter  Systems and
related  equipment from the Interference  Site Space to such  Substitution  Site
Space.  As an alternative  to the Site Space  substitution  procedures  provided
above,  Lessee  shall have the option to  designate  any Other  Lease Space as a
Substitution  Site Space in  substitution  for the  Interference  Site Space, in
which event such Other Lease Space shall become a Substitution  Site Space under


                                       13
<PAGE>

this Lease,  the Other Lease  shall  terminate  as to such Other Lease Space and
Lessee shall have no further  rental or other  obligation  under the Other Lease
with respect thereto. Provided that Lessee's equipment is operating properly, if
the operations of any equipment that is installed by another person or entity at
any Lessor Site subsequent to Lessee's  installation  of its Transmitter  System
and related equipment at such Lessor Site causes  objectionable  interference to
Lessee's  operations  as  reasonably  determined  by Lessee,  then Lessor  shall
require the interfering  person or entity to remedy  promptly the  interference,
and Lessor and/or such other person or entity shall bear the costs thereof.

          (e)  Lessee  understands  that  it  is  the  intention  of  Lessor  to
accommodate  as many  users as  reasonably  practicable  at the  Premises  Sites
subject to the rights of Lessee  hereunder.  As reasonably  requested by Lessor,
and provided that Lessor is not in material  breach of this Lease,  Lessee shall
in good faith  cooperate  with  Lessor's  reasonable  requests  with  respect to
Lessee's rescheduling  transmitting  activities,  reducing power or interrupting
its  activities  for  limited  periods  of time in  order  to  permit  the  safe
installation of new equipment on the Towers or to permit repair to the equipment
of any user of the Towers; provided, however, that any such work to be performed
by or on behalf of Lessor shall be performed between the hours of 11:00 p.m. and
5:00  a.m.,  except  with  respect to any  emergency  for which  necessary  work
relating   thereto  may  be  performed  at  any  time  as  necessary  under  the
circumstances.  Without limiting  Lessee's  installation and repair rights under
other Sections of this Lease,  as reasonably  requested by Lessee,  and provided
that Lessee is not in material breach of this Lease,  Lessor shall in good faith
cooperate with Lessee's  reasonable  requests that Lessor cause other tenants at
the applicable  Premises  Sites to reschedule  transmitting  activities,  reduce
power or  interrupt  their  activities  for limited  periods of time in order to
permit  the safe  installation  by Lessee of new  equipment  on the Towers or to
permit repair to the equipment of Lessee on the Towers; provided,  however, that
any such work to be  performed  by or on behalf  of  Lessee  shall be  performed
between  the hours of 11:00  p.m.  and 5:00  a.m.,  except  with  respect to any
emergency for which necessary work relating thereto may be performed at any time
as necessary under the circumstances.



                                       14
<PAGE>

          (f)  From  time to time  Lessee  at its sole  discretion  may move and
substitute  Transmitter Systems and related equipment among Site Spaces, subject
to the other applicable provisions of this Agreement.

          (g) Lessor  represents and warrants to Lessee that: (i) throughout the
Initial  Term and any Renewal  Term (x) with  respect to any Lessor  Sites which
Lessor  acquired  under the Purchase  Agreement,  Lessor will maintain the title
sufficient  for Lessor to  perform  its  obligations  and for Lessee to have the
rights as contemplated hereunder; that Lessor acquired thereunder,  and (y) with
respect to any Lessor  Sites  which  Lessor did not acquire  under the  Purchase
Agreement,  Lessor has and will maintain good and valid title thereto sufficient
for  Lessor to  perform  its  obligations  and for  Lessee to have the rights as
contemplated   hereunder;   (ii)  neither  Lessor  nor  any  of  its  employees,
Affiliates,  agents,  representatives  or mortgagees or lenders or other lessees
will interfere with Lessee's quiet enjoyment with respect to the use,  operation
or occupancy of the Site Spaces (other than in connection with Lessor's exercise
of  permitted  eviction or  dispossession  remedies in the event of a default by
Lessee  hereunder  and following  the  expiration  of applicable  grace and cure
periods);and  (iii) Lessor shall be deemed to have provided all  representations
and warranties that a lessor is deemed to provide pursuant to applicable leasing
statutes.  Lessee  acknowledges  and agrees that Lessee has sold and assigned to
Lessor under the Purchase  Agreement various Towers,  land and ground leaseholds
where Site Spaces  hereunder are located (the "Acquired  Sites").  Lessee hereby
holds harmless Lessor from and against, and waives, any and all claims of Lessee
relating to any real  property  title defect  pertaining  to the Acquired  Sites
existing as of the date when the Acquired Sites were sold and assigned by Lessee
to Lessor.

     6. Utilities. Lessee shall pay its pro rata share of installation costs for
any new  electrical  power  feeds,  phone  lines,  and  other  utilities  to its
equipment.  Lessee shall not pay any costs  associated with any new,  updated or
enhanced  metering of its electrical  usage at the Premises Sites.  Lessor shall
pay for all of Lessee's  electrical power usage at the Premises Sites, by direct


                                       15
<PAGE>

payment to the utility  company,  or, at Lessee's  request by  reimbursement  to
Lessee for payments made by Lessee to the utility company.

     7. Insurance.

          (a) Before the  commencement of and continuing  through the lease term
Lessee shall procure and maintain  comprehensive  public  liability and property
damage insurance with a responsible  insurance  company legally  qualified to do
business in the States  where the  applicable  Lessor  Site Spaces are  located,
covering its operations and activities on or in connection  with the Site Spaces
with a single  occurrence limit of not less than $1,000,000 and naming Lessor as
an  "Additional  Insured."  Lessee  shall  furnish  Lessor  with  a  certificate
evidencing such insurance and stating that coverage shall be canceled or changed
only upon thirty (30) days' written notice to Lessor.

          (b) Before the  commencement of and continuing  through the lease term
Lessor shall procure and maintain  comprehensive  public  liability and property
damage insurance with a responsible  insurance  company legally  qualified to do
business in the States where the  applicable  Site Spaces are located,  covering
all its operations and activities on or in connection  with the Site Spaces with
a single  occurrence  limit of not less than  $1,000,000 and naming Lessee as an
"Additional Insured." Lessor shall furnish Lessee with a certificate  evidencing
such  insurance and stating that coverage shall be canceled or changed only upon
thirty (30) days' written notice to Lessee.

     8. Maintenance of Sites.

          (a) Lessor shall  maintain  the Lessor Sites in good repair,  ordinary
wear and tear excepted,  and in compliance with applicable rules and regulations
of the FCC,  Federal  Aviation  Administration  ("FAA")  and other  governmental
agencies  pertaining  to lighting  (subject  to Section  8(c)  below),  marking,
inspection, and maintenance. In cases where any governmental regulations require
the  painting  of  Lessee's   feedlines   (including   without   limitation  FAA
regulations),  Lessee hereby  consents to such  painting.  Without  limiting the
foregoing,  (i) Lessor shall comply with all of Lessee's reasonable instructions
or requests regarding Lessor compliance with any relevant rules,  regulations or


                                       16
<PAGE>

standards promulgated by the FAA, FCC or other applicable  governmental agencies
from  time to time,  including  without  limitation  in  connection  with  radio
frequency emission  standards and lighting  standards  promulgated by the FCC or
FAA, (ii) Lessor shall comply with applicable Tower registration requirements of
the FCC  and any  other  applicable  governmental  agencies,  and  Lessor  shall
maintain  such  registrations  in full force and effect,  and (iii) Lessor shall
maintain  appropriate  climate  control  at each  Site  Space to  assure  proper
functioning of the Transmitter  Systems and related  equipment.  With respect to
Acquired  Sites,  Lessor shall only be obligated to maintain the climate control
at no less than the  quality  levels  existing  thereon  as of the date  hereof.
Subject  to the  applicable  provisions  of  Section  5  above,  Lessor  and its
authorized  representatives,   upon  reasonable  advance  notice  to  Lessee  as
practicable under the circumstances, shall have the right to enter upon the Site
Spaces as necessary in order to comply with Lessor's  maintenance and compliance
obligations under this Section 8(a).

          (b) Lessee shall  maintain its equipment in accordance  with standards
of good  engineering  practice  and in  material  compliance  with the rules and
regulations of the FCC, FAA and other applicable  governmental  agencies. At the
conclusion  of the term with  respect to a Site Space,  Lessee  shall  surrender
possession to Lessor of such Site Space in  substantially  the same condition as
existed at the  commencement of the leasing of such Site Space under this Lease,
ordinary wear and tear  excepted.  Lessor shall be entitled to charge Lessee the
reasonable  cost of any and all  maintenance  and repair  undertaken  by Lessor,
which  was the  express  obligation  of  Lessee  under  this  Lease or which was
necessary as a direct  result of a failure by Lessee to perform its  obligations
under this Lease, if Lessee has not commenced and continued to use  commercially
reasonable  efforts to complete such  maintenance  and repair within thirty (30)
days after written notice from Lessor requesting such maintenance and repair and
providing  sufficient detail of the basis for the Lessee  maintenance and repair
obligation hereunder, or, in any event Lessee has not completed such maintenance
and repair within sixty (60) days after such notice, or such longer period as is
reasonably necessary not to exceed one hundred twenty (120) days provided that


                                       17
<PAGE>

Lessee is diligently  proceeding with such repair and maintenance.  Lessee shall
reimburse  Lessor for all such  maintenance and repair costs that are reasonably
incurred  by Lessor  under  this  Section  8(b)  within  thirty  (30) days after
Lessor's  delivery to Lessee of written  invoices,  receipts  and similar  bills
detailing and describing the costs and the related maintenance and repair work.

          (c) Notwithstanding anything to the contrary in other Sections of this
Lease (but  subject to Section 13 of this Lease),  from the date hereof  through
February  28, 1999,  Lessee shall  monitor the lighting of Towers at Site Spaces
for outages (including without limitation  "Notems"),  until Lessor assumes such
responsibility  therefor (as provided below).  Lessee's  monitoring  obligations
hereunder  shall be based on Lessee  using its lighting  monitoring  methodology
existing as of the date hereof,  and for Lessee to report any outages to the FAA
as required by applicable rules and regulations, and for Lessee to notify Lessor
of any such outages within 24 hours after Lessee  becomes aware thereof.  Lessee
shall not charge  Lessor for  Lessee's  monitoring  services  under this Section
8(c). As soon as  reasonably  practicable  on and after the date hereof,  Lessor
shall  periodically  (on a Site  by  Site  basis)  assume  all  of the  lighting
monitoring  obligations  regarding  Towers  at Site  Spaces  (including  without
limitation  "Notems"),  including compliance with all notifications  required by
applicable FAA rules and regulations.  Lessee shall have no further  obligations
under this  Section  8(c) as to  monitoring  lighting  at Site  Spaces for which
Lessor assumes such  responsibility  as provided herein. By March 1, 1999 Lessor
shall fully  assume and be  responsible  for  lighting  monitoring  at all Sites
Spaces.  Throughout  the term of this Lease,  Lessor shall  provide  Lessee with
notice of all non-standard situation reports and related reports with respect to
the  lighting  monitoring  system  utilized  by  Lessor  at  the  Sites  Spaces.
Throughout  the term of this Lease  (including  any period  during  which Lessee
performs lighting  monitoring services under this Section 8(c)), Lessor shall be
and remain  obligated to maintain the lighting in accordance  with the rules and
regulations of the FAA and other  applicable  laws, and to repair or replace any
defective  lighting.  Lessor  shall  perform all of its  obligations  under this
Section 8(c) at no charge to Lessee. Pursuant to the indemnification  provisions
under Section 13(b) below,  Lessor shall  indemnify and hold harmless Lessee and


                                       18
<PAGE>

its  Affiliates  from and against any and all costs,  liabilities,  penalties or
similar charges that may be assessed or charged against Lessee or its Affiliates
(or  their  assets)  by the  FAA or  other  persons,  entities  or  agencies  in
connection with Lessor failing to adequately maintain or monitor the lighting.

     9. Alteration by Lessee.

          Lessee may alter and  replace  its  Transmitter  Systems  and  related
equipment that are installed at a Site Space,  provided that such  alteration or
replacement  does not  materially  increase the "wind loading" at the applicable
Tower.  At Lessor's  request and  expense,  Lessee will  provide an  independent
professional  analysis of "wind loading" to determine  whether the alteration or
replacement causes a material increase in "wind loading" at such Tower.  Subject
to the terms of this Lease,  Lessee may make improvements to the Site Space. Any
such  improvements  that are made by  Lessee  on a  Transmitter  System or other
property of Lessee at a Site Space shall be the  property of Lessee (the "Lessee
Owned  Improvements").  All other  improvements  made by Lessee at a Site  Space
shall become the property of Lessor upon the  termination  or  expiration of the
Lease.  Lessee shall remove the Lessee Owned Improvements as provided in Section
17 below.

     10. Site Damage; Damage to Lessee's Equipment; Service Interruption.

          (a) If a Site  Space is  fully  or  partially  destroyed  or  damaged,
Lessee,  at its option,  may elect to terminate  this Lease with respect to such
Site Space  ("Damaged Site Space") upon at least ten (10) days written notice to
Lessor, provided that Lessee has not been a primary cause of such destruction or
damage. In such event, Lessee shall owe rent only up to the date on which Lessee
was unable to conduct its normal  operations  at such Site Space  because of the
damage  or  destruction,  and  Lessee  shall  have no  further  rental  or other
obligation hereunder with respect to such Damaged Site Space (subject to Section
8(b) above and Sections  13(a)(ii) and 17 below). If this Lease is terminated as
to a Damaged  Site  Space,  Lessor  and Lessee  shall in good  faith  attempt to
determine  whether  other space at any Lessor Site is  comparable to the Damaged
Site Space in terms of location and geography,  functionality and other relevant


                                       19
<PAGE>

factors,  and if such space can be  identified  by the parties and provided that
Lessor is in  position  to make such  space  available  to Lessee no later  than
thirty  (30) days after the  termination  of this Lease as to the  Damaged  Site
Space,  such other space and the related land shall become a  Substitution  Site
Space in substitution  for the Damaged Site Space.  Provided that Lessee has not
been a primary  cause of such  destruction  or damage,  Lessor shall pay all the
reasonable  costs incurred by Lessee in moving  Transmitter  Systems and related
equipment  from the Damaged Site Space to such  Substitution  Site Space.  As an
alternative to the Site Space  substitution  procedures  provided above,  Lessee
shall have the option to  designate  Other  Lease Space as a  Substitution  Site
Space in  substitution  for the Damaged  Site  Space,  in which event such Other
Lease Space shall become a Substitution  Site Space under this Lease,  the Other
Lease shall  terminate  as to such Other  Lease  Space and Lessee  shall have no
further rental or other obligation under the Other Lease with respect thereto.

          (b)  Notwithstanding  Section  10(a) above,  Lessor,  at its option by
notice to Lessee  within ten (10) days after the  occurrence  of such  damage or
destruction,  may elect to repair or rebuild  the Damaged  Site Space,  in which
case,  Lessee  shall not be entitled to  terminate  this Lease as to the Damaged
Site  Space,  and this Lease shall  remain in force with  respect to the Damaged
Site Space  (although  Lessee  shall not be obligated to pay rent for any period
during  which Lessee is unable to conduct its normal  operations  at the Damaged
Site Space because of the damage or destruction),  as long as  reconstruction or
repair can be promptly  undertaken and diligently  completed  within thirty (30)
days  following  the  occurrence  of such  damage  or  destruction  and  without
materially interrupting Lessee's business at such Site Space.

          (c)  Subject to  Sections  5(d) and 5(g)  above,  Lessor  shall not be
liable to Lessee for any loss or damage,  actual or consequential,  sustained by
Lessee,  arising out of or related to any loss or interruption of  communication
or the use of the Premises  Sites,  whatever  the cause,  or any  diminution  or
failure of the signal emanating from or being received at the Towers,  except to
the extent  that such events or  circumstances  are caused (in whole or part) by


                                       20
<PAGE>

any breach by Lessor of this Lease or by acts or negligent  omissions of Lessor,
its Affiliates or their respective agents or representatives.

          (d) Lessor and Lessee shall incur no liability to the other party,  if
Lessor  or  Lessee  (as  the  case  may be) is  prevented  from  performing  its
obligations  hereunder or conducting  its operations at a Site Space as a result
of any  of the  following  events  beyond  such  performing  party's  reasonable
control:  war,  fire,  flood,  lightning,   earthquake  or  other  acts  of  God
(individually and collectively the "Force Majeure Events"). Without limiting the
foregoing,  if  either  Lessor  or  Lessee  is  prevented  from  performing  its
obligations  hereunder or conducting  its operations at a Site Space as a result
of Force  Majeure  Event,  such party shall not be liable to the other party for
any financial  loss due to business  interruption,  or be liable for any loss or
damage,  actual or consequential,  sustained by the other party or third parties
making claims against such other party arising out of or relating to any loss or
interruption  of  communication  or the use of the Premises Site affected by the
Force Majeure Event or any diminution or failure of the signal emanating from or
being received at the Tower affected by the Force Majeure Event. Lessee shall be
entitled  to a pro rata  abatement  of rent for the time it is unable to conduct
substantially  normal  operations  at such  Site  Space as a  result  of a Force
Majeure  Event  except that Lessee  shall not be entitled to any  abatement  for
outages of less than  seventy-two  (72)  consecutive  hours duration unless such
outages exceed 216 cumulative hours during any thirty (30)-day period; provided,
that if Lessee is unable to conduct such normal operations for more than fifteen
(15)  consecutive  days as a result of a Force  Majeure  Event  ("Force  Majeure
Termination  Right  Period"),  Lessee  at any  time  during  the  Force  Majeure
Termination Right Period may terminate this Lease as to such affected Site Space
and Lessee  shall  have no further  rental or other  obligation  hereunder  with
respect to such Site Space (subject to Section 8(b) above and Sections 13(a)(ii)
and 17 below).  If this Lease is  terminated  as to a Site Space  affected  by a
Force Majeure Event,  Lessor and Lessee shall in good faith attempt to determine
whether other space at any Lessor Site is comparable to such Site Space in terms
of location and geography, functionality and other relevant factors, and if such
space can be identified by the parties and provided that Lessor is in a position


                                       21
<PAGE>

to make such space  available to Lessee no later than thirty (30) days after the
termination  of this Lease with respect to the affected  Site Space,  such other
space  and  the  related  land  shall  become  a  Substitution   Site  Space  in
substitution  for  the  Force  Majeure  Site  Space.  Lessor  shall  pay all the
reasonable  costs incurred by Lessee in moving  Transmitter  Systems and related
equipment from the Force Majeure Site Space to such  Substitution Site Space. As
an alternative to the Site Space substitution  procedures provided above, Lessee
shall have the option to  designate  Other  Lease Space as a  Substitution  Site
Space in substitution for such Site Space, in which event such Other Lease Space
shall become a Substitution  Site Space under this Lease,  the Other Lease shall
terminate as to such Other Lease Space and Lessee  shall have no further  rental
or other obligation under the Other Lease with respect thereto.

     11. Overloading.

          (a)  This  Section  11 shall  not  apply  (and  Lessee  shall  have no
obligation  under this Section 11) as to the Acquired Towers which are listed as
Tower numbers 164, 165 and 166 on Schedule A. If within six (6) months after the
date hereof,  Lessor  determines that any of the Acquired  Towers,  based on the
antennae that are installed thereon as of the date hereof, is then overloaded in
excess of levels  permitted by applicable laws (existing as of the date hereof),
and Lessor  notifies  Lessee thereof by Lessor  providing  reasonable  detail in
respect of its conclusions as to overloading  regarding the affected Towers, and
if Lessee in good faith disagrees with Lessor's  conclusions,  the parties shall
mutually select an engineering firm to conduct a study regarding  overloading at
such  Towers,  at  Lessor's  expense.  In the event of a  determination  of such
overloading, whether confirmed by Lessee agreement with Lessor's conclusions, or
pursuant to the findings of any such engineering  firm, as to each such affected
Tower Lessee shall undertake any one of the following  actions:  (i) correct the
overloading   (which  correction  may  include,   without   limitation,   making
improvements  to the affected  Tower to be or removing  non-operable  antennas);
(ii)  remove  such  number of  Lessee's  Transmitter  Systems  from Site  Spaces
("Overloaded  Site Spaces") on the affected Tower to cause the affected Tower to
be in compliance with the loading levels  permitted by applicable laws (existing
as of the date  hereof),  in which event the parties  shall  attempt to identify


                                       22
<PAGE>

appropriate Substitution Site Spaces pursuant to the procedures of Section 11(b)
below;  or (iii) pay Lessor  $10,000 in cash for each antenna that would need to
be removed to cause the  affected  Tower to be in  compliance  with the  loading
levels  permitted by  applicable  laws  (existing as of the date  hereof).  Upon
Lessee removing its Transmitter Systems and related equipment from an Overloaded
Site Space pursuant to the preceding  clause (ii),  Lessee shall have no further
rental or other obligation under this Lease with respect to such Overloaded Site
Space  (subject to Section 8(b) above and Section  13(a)(ii)  below).  If Lessee
does not so elect one of the  options  set forth in the  preceding  clauses  (i)
through  (iii) as to an  affected  Tower,  or if Lessee  elects to  correct  the
overloading  pursuant  to the  preceding  clause  (i) or to  remove  Transmitter
Systems  pursuant to the preceding clause (ii) but Lessee does not complete such
action by the one (1) year anniversary of the date hereof,  then Lessee shall be
obligated  to  promptly  pay  Lessor  the  applicable  amounts  pursuant  to the
preceding  clause  (iii)  regarding  such  affected  Tower (in lieu of  Lessee's
performance of the act under clauses (i) or (ii)).

          (b) If Lessee  pursuant to clause (ii) of Section 11(a) above requests
that Lessor and Lessee attempt to identify  Substitution Site Spaces, Lessor and
Lessee  shall in good faith  attempt to  determine  whether  other  space at any
Lessor Site is comparable  to an Overloaded  Site Space in terms of location and
geography,  functionality and other relevant  factors,  and if such space can be
identified  by the parties and provided  that Lessor is in position to make such
space  available  to Lessee no later than one  hundred  twenty  (120) days after
Lessee delivers its notice pursuant to clause (ii) of Section 11(a) above,  such
other  space and the  related  land shall  become a  Substitution  Site Space in
substitution  for the  Overloaded  Site  Space.  Lessee  shall pay all the costs
incurred by Lessee in moving Transmitter  Systems and related equipment from the
Overloaded Site Space to such  Substitution Site Space. As an alternative to the
Site Space substitution  procedures  provided above,  Lessee at its option shall
designate Other Lease Space as a Substitution Site Space in substitution for the
Overloaded  Site Space,  in which  event such Other  Lease Space shall  become a
Substitution  Site Space under this Lease, the Other Lease shall terminate as to


                                       23
<PAGE>

such  Other  Lease  Space  and  Lessee  shall  have no  further  rental or other
obligation under the Other Lease with respect thereto.

     12 Eminent  Domain.  If a  Premises  Site or the land upon which a Premises
Site is located or a Premises  Site is acquired or condemned  under the power of
eminent domain, whether by public authority, public utility, or otherwise, in an
amount that renders the Site Space  materially  unusable for Lessee's  purposes,
then this Lease shall terminate with respect to the Site Spaces at such Premises
Site as of the date of the acquisition,  and Lessee shall not be responsible for
rental or other  obligation  hereunder  with  respect to Site Spaces  after such
termination.  Lessor shall be entitled to the entire amount of any  condemnation
award,  and Lessee shall be entitled to make claim for and retain a condemnation
award  based on and  attributable  to the  expense  and damage of  removing  its
fixtures.

     13 Indemnification.

          (a) Lessee shall indemnify, hold harmless, and defend Lessor (together
with  Lessor's   Affiliates,   officers,   directors,   employees,   agents  and
representatives)  from and against  any and all  liabilities,  claims,  demands,
suits, damages,  actions,  recoveries,  judgments, and expenses (including court
costs,  reasonable  attorneys' fees, and costs of  investigation)  resulting (i)
from Lessee's breach of this Lease  (including any  representation,  warranty or
covenant set forth herein), or (ii) from injury to or death of any person or any
damage to property or loss of rent due to  discontinuance  of  operations at the
Site Spaces  (excluding  discontinuance  of operations  in  connection  with the
substitution of Site Spaces or as otherwise permitted hereunder),  which injury,
death,  damage or loss in the case of this clause (ii)  results from the willful
misconduct  or gross  negligence of Lessee or its  contractors,  subcontractors,
agents or representatives in or around the applicable Site Spaces  (individually
and collectively "Lessee Indemnity Liabilities"),  except to the extent that any
such Lessee Indemnity  Liabilities are directly caused by the willful misconduct
or gross  negligence of Lessor,  its  Affiliates or their  respective  officers,
directors, employees,  contractors,  subcontractors,  agents or representatives.
Notwithstanding the foregoing,  Lessee shall have no indemnification  obligation


                                       24
<PAGE>

under this Lease with  respect to any activity  that Lessee is to perform  under
Section  8(c) of this  Lease,  other than for any Lessee  Indemnity  Liabilities
based upon the willful  misconduct of Lessee, its Affiliates or their respective
officers,  directors,   employees,   contractors,   subcontractors,   agents  or
representatives.

          (b) Lessor shall indemnify, hold harmless, and defend Lessee (together
with  Lessee's   Affiliates,   officers,   directors,   employees,   agents  and
representatives)  from and against  any and all  liabilities,  claims,  demands,
suits,  damages,  actions,  recoveries,  judgments and expenses (including court
costs,  reasonable  attorneys' fees, and costs of  investigation)  resulting (i)
from Lessor's breach of this Lease  (including any  representation,  warranty or
covenant  set forth  herein),  (ii) from injury to or death of any person or any
damage to property or loss of revenues due to  discontinuance  of  operations at
the Site Spaces  (excluding  discontinuance of operations in connection with the
substitution of Site Spaces or as otherwise permitted hereunder),  which injury,
death,  damage or loss in the case of this clause (ii)  results from the willful
misconduct  or gross  negligence of Lessor or its  contractors,  subcontractors,
agents or representatives in or around the applicable Site Spaces  (individually
and collectively  "Lessor  Indemnity  Liabilities"),  or (iii) from any activity
that Lessee is to perform  under  Section  8(c) of this  Lease,  other than with
respect to the willful  misconduct of Lessee, its Affiliates or their respective
officers,  directors,   employees,   contractors,   subcontractors,   agents  or
representatives, except to the extent that any such Lessor Indemnity Liabilities
are directly caused by the willful misconduct or gross negligence of Lessee, its
Affiliates or their  respective  officers,  directors,  employees,  contractors,
subcontractors, agents or representatives.

     14 Assignment. (a) With respect to any Site Space, Lessee shall not assign,
mortgage, or encumber Lessee's interest under this Lease and shall not sublet or
permit the leased  premises or any part thereof to be used by others without the
express  written  approval of Lessor,  which approval shall not be  unreasonably
withheld  or  delayed,  except  that  Lessee may assign or sublet its rights and
obligations  hereunder or sublet the leased  premises or any portion thereof (i)
to an Affiliate of Lessee or (ii) to any successor of all or  substantially  all


                                       25
<PAGE>

the operating assets of Lessee and its Affiliates,  which Affiliate or successor
agrees to be bound hereby. No sublease or assignment or authorized use by others
shall  relieve  Lessee  of its  obligations  under  this  Lease,  except  for an
assignment by Lessee pursuant to clause (ii) of the preceding sentence.

          (b) With respect to a Site Space,  Lessor shall not assign,  mortgage,
or encumber the Lessor Sites nor Lessor's  interest under this Lease (except for
mortgages  or  encumbrances  which are  identified  on  Schedule  A) without the
express  written  approval of Lessee,  which approval shall not be  unreasonably
withheld  or delayed,  except that Lessor may assign its rights and  obligations
hereunder  (i) to an  Affiliate  of  Lessor,  (ii)  to any  successor  of all or
substantially  all the  operating  assets of Lessor  and its  Affiliates,  which
Affiliate or successor agrees to be bound hereby, or (iii) to a lender of Lessor
or an  agent  for a group  of  lenders  under a  collateral  assignment  in form
reasonably  satisfactory  to Lessee,  subject to the  applicable  provisions  of
Section 18 below.

     15 Default by Lessee.  If, with respect to any Site Space,  Lessee fails to
pay rent  hereunder  within ten (10) days after  Lessor  provides  Lessee with a
written notice  regarding such breach,  or Lessee breaches Section 5(d) above by
not ceasing any  objectionable  interference at a Premises Site within three (3)
days after Lessor  provides Lessee with notice of such  interference,  or Lessee
fails to comply  with any other  term of this Lease and does not cure such other
failure  within  thirty (30) days after  Lessor  provides  Lessee with a written
notice  regarding the applicable  breach or for such longer period not to exceed
one hundred eighty (180) days if Lessee is using commercially reasonable efforts
to cure such breach,  and  provided  that Lessee is not  otherwise  excused from
performing hereunder,  Lessor shall have the option (i) (x) if such default is a
default in the payment of rent,  to terminate  this Lease as to the subject Site
Space or to terminate this Lease as to all Site Spaces,  and (y) if such default
is a default  other than a default in the  payment of rent,  to  terminate  this
Lease only as to the subject Site Space,  in which event Lessee shall  surrender
possession of such Site Space(s) within thirty (30) days after Lessor's delivery
of a termination notice, and (ii) to pursue any other remedy available to Lessor


                                       26
<PAGE>

under this Lease or  otherwise  provided by law or equity  with  respect to such
Site Spaces.  Lessee shall be liable for reasonable  expenses incurred by Lessor
for its  recovery  and  repossession  of the Site Space in  accordance  with the
provisions hereof.  Repossession by Lessor shall terminate this Lease as to such
repossessed  Site Space,  including  terminating  all  further  rental and other
obligations  of Lessee for the  unexpired  term with respect to such Site Space,
but any such  termination  shall not  mitigate or abate any  payment  obligation
under  Section  2(c)  above if  applicable.  Lessor  shall use its  commercially
reasonable  efforts to re-lease  any Site Space for which this Lease has been so
terminated,  and Lessor shall use  commercially  reasonable  efforts to mitigate
Lessor's damages and related costs.

     16 Default by Lessor.  If, with respect to a Site Space,  Lessee's right to
quiet enjoyment is interfered with in contravention of Section 5(g)(ii) above or
otherwise  under this Lease and Lessor does not cure such  violation  within ten
(10) days after  Lessee  provides  Lessor with  written  notice  regarding  such
violation,  or Lessor fails to comply with any other term of this Lease and does
not cure such failure within thirty (30) days after Lessee  provides Lessor with
written notice regarding the applicable  breach or for such longer period not to
exceed one hundred eighty (180) days if Lessor is using commercially  reasonable
efforts to cure such breach,  Lessee shall have the option (i) to terminate this
Lease as to such Site Space, in which event Lessee shall surrender possession of
such Site Space within ninety (90) days after Lessee's delivery of a termination
notice, and (ii) to pursue any other remedy available to Lessee under this Lease
or otherwise  provided by law or equity with respect to such Site Space.  Lessee
shall use  commercially  reasonable  efforts to deliver to mortgagees  which are
listed on  Schedule A, copies of any  default  notices  that Lessee  delivers to
Lessor  under this  Section 15. In the event of a  termination  pursuant to this
Section  15,  Lessor  shall be liable for all  reasonable  expenses  incurred by
Lessee in connection  with the removal of Lessee's  equipment  and  improvements
from the Site  Space.  Lessee  shall  use  commercially  reasonable  efforts  to
mitigate Lessee's damages and related costs.

     17 Certain Transition Rights.  Approximately  ninety (90) days prior to the
end of the term of this Lease as to a Site Space  (whether  the Initial  Term or


                                       27
<PAGE>

Renewal Term, as applicable)  Lessor and Lessee shall in good faith agree upon a
plan to enable an orderly and efficient  wind-down period  ("Wind-Down  Period")
during which Lessee will remove its  Transmitter  Systems and related  equipment
from such Site Space(s) and the parties  anticipate  that the  Wind-Down  Period
will  provide  for Lessee to remove all of its  Transmitter  Systems and related
equipment  from such Site  Space(s) no later than one hundred  eighty (180) days
following  the end of such  term.  Lessee  shall be deemed as  holding  over for
purposes  of Section  2(b) above for any  portion of the  Wind-Down  Period that
extends beyond the end of such term, provided that Lessee shall not be obligated
to pay rent for any partial  month during which Lessee so holds over at any Site
Space. Except as otherwise provided in Section 1(c) above, the period for moving
Transmitter  Systems and related  equipment  from a Site Space to a Substitution
Site Space shall be thirty (30) days,  provided  that  Lessee  shall  remove its
Transmitter  Systems and related  equipment from a Terminated  Assigned Interest
Site Space under  Section  2(c) above  promptly  after Lessee has notice of such
termination thereunder ("Terminated Assigned Interest Removal Period"). Upon the
termination  of this Lease with  respect to a Site Space  pursuant to Section 16
above,  Lessee  shall  have up to ninety  (90) days to  remove  its  Transmitter
Systems  and  related  equipment.  (Each of such  Wind-Down  Period,  applicable
removal period under Section 1(c) above,  Terminated  Assigned  Interest Removal
Period,  thirty (30)-day  removal period or ninety (90)-day removal period are a
"Removal Period",  as applicable.) Lessee shall pay all costs in connection with
the removal of its  Transmitter  Systems and  related  equipment  (other than as
provided  in  Sections  2(d),  10(a),  10(d)  and  16  above).  Lessee's  rental
obligation (if any) during a Removal Period  regarding the  substitution of Site
Spaces shall be governed by the applicable  provisions of this Lease relating to
such  substitution  event.  During any  Removal  Period  Lessee may  continue to
operate its Transmitter Systems and related equipment at such Site Space. If the
Transmitter  Systems  and  equipment  are  not  removed  by  Lessee  during  the
applicable  Removal  Period,  and  the  failure  to  remove  is  caused  by  the
intentional,  reckless or negligent  acts or  omissions of Lessor,  then for all
days  subsequent to the applicable  Removal Period during which the  Transmitter
Systems and related  equipment  remain on such Site Space,  Lessee  shall not be


                                       28
<PAGE>

deemed to be holding over and Lessee shall not be obligated to pay rent pursuant
to Section 2(b) above.  The  applicable  Removal Period shall be extended by the
number of days that any Force Majeure  Events prevent Lessee from working on the
removal of its Transmitter Systems and related equipment from a Site Space.

     18  Subordination.  (a) Subject to the terms and  continuing  conditions of
this Section  18(a),  this Lease is and shall be subject and  subordinate to all
existing or future  mortgages,  deeds of trust,  security deeds or other similar
instruments  (collectively "Security Instruments") that as of the date hereof or
at any time in the  future  encumber  the  Premises  Sites and to all  renewals,
modifications,  consolidations,  replacements,  and extensions thereof, provided
that such  subordination  shall only be effective  upon the following  terms and
conditions:

         (i) if  judicial  or  non-judicial  foreclosure  proceedings  or  other
         remedies  are  instituted  under  any  such  Security   Instruments  or
         otherwise and Lessee is not in default under this Lease  (following the
         expiration of applicable grace and cure periods), then (a) Lessee shall
         not be made a party defendant in any such  proceedings or other action,
         (b) this Lease shall not be terminated, and (c) Lessee's possession and
         quiet enjoyment with respect to the use,  operation or occupancy of the
         Site  Spaces  shall not be  disturbed  by the  holder of such  Security
         Instruments or by the purchaser at any such foreclosure  proceedings or
         other action nor shall  Lessee's  possession  and quiet  enjoyment with
         respect  to the use,  operation  or  occupancy  of the Site  Spaces  be
         otherwise affected by such proceedings or other action;

         (ii) upon the completion of any such  foreclosure  proceedings  and the
         sale of one(1) or more of the  Lessor  Sites,  or if such the holder of
         such Security  Instrument  should  otherwise  acquire any or all of the
         Lessor Sites, Lessee shall attorn to the purchaser at foreclosure or to
         the holder of such  Security  Instrument  as the case may be, and shall
         recognize such  purchaser or the holder of such Security  Instrument as


                                       29
<PAGE>

         Lessee's  landlord  under this Lease,  and from time to time,  upon the
         request of the purchaser at  foreclosure or the holder of such Security
         Instrument  as the case may be,  Lessee  shall  execute and deliver any
         instrument  reasonably  specified  in such  request  to  evidence  such
         attornment or this subordination; and

         (iii)  upon  an  attornment  by  Lessee  pursuant  to  the  immediately
         preceding  clause  (ii),  this Lease  shall  continue in full force and
         effect as a direct  lease  between  the  purchaser  at  foreclosure  or
         otherwise or the holder of such Security Instrument as the case may be,
         and  Lessee,  upon all of the  terms of this  Lease,  except  that such
         purchaser or the holder of such Security Instrument as the case may be,
         shall not (a) be liable  for any  previous  act or  omission  of Lessor
         under  this  Lease,  (b) be  subject  to any  setoff  which  shall have
         theretofore accrued to Lessee against Lessor under this Lease (provided
         that Lessee shall be entitled to exercise set off rights under  Section
         3(c) above prior to the completion of any such  foreclosure  proceeding
         and  sale),  or (c) be bound  by any  prepayment  of more  than one (1)
         month's  rent unless such  prepayment  shall have been  approved by the
         holder of such Security Instrument.

          (b) Lessee shall  retain all rights and  remedies  available to Lessee
under this Lease or at law or in equity  relating to any disturbance of Lessee's
quiet enjoyment with respect to the use, operation or occupancy of Site Spaces.

          (c) Subject to the terms and  conditions  of Sections  18(a) and 18(b)
above:

          (i)  this  subordination   shall  be  self-operative  and  no  further
     instrument of  subordination  and  nondisturbance  shall be required by the
     holder of any such Security Instruments; and

          (ii)  upon  written  request  from  Lessor,  Lessee  shall  execute  a
     certificate  confirming such subordination in form reasonably  satisfactory
     to Lessee and the holder of such Security Instrument.



                                       30
<PAGE>

     19 Mechanics' Liens.

          (a) Lessee  shall not suffer or permit any liens to stand  against the
Premises  Sites or any part thereof by reason of any work,  labor,  service,  or
materials done for, or supplied for, or supplied to or claimed to have been done
for, or supplied  to,  Lessee or anyone  holding  Lessee's  property or any part
thereof through or under Lessee ("Lessee's  Mechanics'  Liens"). If any Lessee's
Mechanics'  Lien shall at any time be filed  against the Premises  Site,  Lessee
shall cause it to be discharged of record within thirty (30) days after the date
of filing by either payment,  deposit, or bond. If Lessee fails to discharge any
such Lessee's Mechanics' Lien within such period, then, in addition to any other
right or remedy of Lessor,  Lessor may, but shall not be obligated  to,  procure
the discharge of the Lessee's  Mechanics'  Lien. All amounts incurred by Lessor,
including  reasonable  attorneys'  fees,  in  procuring  the  discharge  of such
Lessee's Mechanics' Lien, together with interest thereon at twelve percent (12%)
per annum from the date of incurrence,  shall become due and payable immediately
by Lessee to Lessor.

          (b) Lessor  shall not suffer or permit any liens to stand  against any
Transmitter System or any part thereof by reason of any work, labor, service, or
materials done for, or supplied for, or supplied to or claimed to have been done
for, or supplied  to,  Lessor or anyone  holding  Lessor's  property or any part
thereof through or under Lessor ("Lessor's  Mechanics'  Liens"). If any Lessor's
Mechanics'  Lien  shall at any time be filed  against  the  Transmitter  System,
Lessor shall cause it to be  discharged  of record within thirty (30) days after
the date of filing by  either  payment,  deposit,  or bond.  If Lessor  fails to
discharge  any such  Lessor's  Mechanics'  Lien within  such  period,  then,  in
addition  to any other right or remedy of Lessee,  Lessee may,  but shall not be
obligated to, procure the discharge of the Lessor's Mechanics' Lien. All amounts
incurred by Lessee,  including  reasonable  attorneys'  fees,  in procuring  the
discharge of such Lessor's  Mechanics'  Lien,  together with interest thereon at
twelve percent (12%) per annum from the date of incurrence, shall become due and
payable immediately by Lessor to Lessee.

     20 Estoppel Certificates. At any time, but not with less than ten (10) days
prior  notice,  Lessee  shall  execute,  acknowledge,  and  deliver  to Lessor a


                                       31
<PAGE>

statement in writing  certifying that this Lease is unmodified and in full force
and effect (or, if there have been any modifications,  that the Lease is in full
force and effect as modified  and stating the  modifications),  and the dates to
which rent and other charges, if any, have been paid in advance.

     21 Miscellaneous.

          (a) The remedies  provided  herein shall be  cumulative  and shall not
preclude the assertion by any party hereto of any other rights or the seeking of
any other  remedies  against the other  parties  hereto;  provided,  that Lessor
acknowledges  and agrees that any claim it may have in the chapter 11 bankruptcy
proceedings of Lessee and its Affiliates  (Case No. 97-174 (PJW)),  other than a
claim for breach of this Lease,  shall be satisfied in full by assumption by the
Lessee (or a successor  to Lessee) of this Lease  under and as of the  effective
date of any plan of reorganization for Lessee (or a successor to Lessee).

          (b) Should  Lessor  permit a  continuing  default by Lessee under this
Lease, the obligations of Lessee  hereunder shall continue,  and such permissive
default  shall not be  construed as a renewal of the term hereof nor as a waiver
of any of the rights of Lessor or obligations of Lessee hereunder.

          (c) This  Lease may be  executed  in  counterparts,  and any number of
counterparts  signed in the  aggregate by the parties will  constitute a single,
original instrument.

          (d) This Lease,  including the Schedules and other documents  referred
to herein  contain the entire  understanding  of the parties with respect to its
subject matter.  There are no restrictions,  agreements,  promises,  warranties,
covenants,  or understandings  other than expressly set forth herein or therein.
This Lease  supersedes  all prior  agreements  and  understandings  between  the
parties with respect to its subject matter.  No modification of this Lease shall
be effective unless contained in a writing signed,  dated and fully witnessed by
the authorized representative of both parties.


                                       32
<PAGE>


          (e) All notices,  requests,  claims, demands, and other communications
hereunder  ("Notices") shall be in writing and shall be deemed to have been duly
given if delivered by personal  delivery,  by telecopy  (other than Notices with
respect  to  Sections  13,  15, 16 or 18 which  shall be  delivered  by  another
permitted  means  under this  Section  21(e)),  by  overnight  courier or mailed
(certified mail, postage prepaid,  return receipt requested):  (i) to Lessor, at
the  address  and  telecopy  number  shown  above or to such other  address  and
telecopy  number as Lessor may have furnished to Lessee in writing in accordance
with this Section 21(e); and (ii) to Lessee,  at the address and telecopy number
shown  above,  except that Notices to Lessee with respect to Sections 13, 15, 16
or 18 above shall  (instead) be delivered to MobileMedia  Communications,  Inc.,
Fort Lee Executive  Park,  One Executive  Drive,  Suite 500, Fort Lee, NJ 07024,
attention General Counsel, or to such other address as Lessee may have furnished
to Lessor in writing in accordance with this Section 21(e).

          (f) This  Lease  shall be  governed  by,  construed  and  enforced  in
accordance with the internal laws of the State of New York.

          (g) Reference to Sections, Schedules and Paragraphs refer to Sections,
Schedules and Paragraphs of this Lease, except as otherwise indicated herein.

          (h) Reference to the singular includes the plural and reference to the
plural includes the singular, according to the context.



                                       33
<PAGE>


                  IN  WITNESS  WHEREOF,  this Lease has been duly  executed  and
delivered by Lessor and Lessee as of the day and year first above written.


                          LESSOR: PINNACLE TOWERS INC.,
                                  a Delaware corporation


                          BY:___________________________
                             Name:  Steven Day
                             Title: Vice President


                          LESSEE:  MOBILEMEDIA COMMUNICATIONS,
                                   INC., a Delaware corporation,
                                   as debtor and debtor-in-possession


                          BY:____________________________
                             Name:  Joseph A. Bondi
                             Title: Chairman-Restructuring


<TABLE> <S> <C>

<ARTICLE>                                5
<CIK>                                    0000915390
<NAME>                                   Arch Communications Group, Inc.
<MULTIPLIER>                             1,000
<CURRENCY>                               USD

<S>                                               <C>
<PERIOD-TYPE>                                     6-MOS
<FISCAL-YEAR-END>                                      Dec-31-1999
<PERIOD-START>                                         Jan-01-1999
<PERIOD-END>                                           Jun-30-1999
<EXCHANGE-RATE>                                                  1
<CASH>                                                      21,885
<SECURITIES>                                                     0
<RECEIVABLES>                                               60,015
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<INVENTORY>                                                 11,011
<CURRENT-ASSETS>                                           107,255
<PP&E>                                                     670,948
<DEPRECIATION>                                             242,194
<TOTAL-ASSETS>                                           1,488,989
<CURRENT-LIABILITIES>                                      160,110
<BONDS>                                                  1,362,064
                                            0
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<COMMON>                                                       481
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<TOTAL-LIABILITY-AND-EQUITY>                             1,488,989
<SALES>                                                     21,572
<TOTAL-REVENUES>                                           234,381
<CGS>                                                       14,529
<TOTAL-COSTS>                                               14,529
<OTHER-EXPENSES>                                            48,386
<LOSS-PROVISION>                                                 0
<INTEREST-EXPENSE>                                          59,187
<INCOME-PRETAX>                                           (156,491)
<INCOME-TAX>                                                     0
<INCOME-CONTINUING>                                       (156,491)
<DISCONTINUED>                                                   0
<EXTRAORDINARY>                                                  0
<CHANGES>                                                   (3,361)
<NET-INCOME>                                              (159,852)
<EPS-BASIC>                                               (12.00)
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