AERIAL COMMUNICATIONS INC
8-K, 1998-11-09
RADIOTELEPHONE COMMUNICATIONS
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                                    FORM 8-K

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported): June 30, 1998
                                                          ---------------

                           Aerial Communications, Inc.
                           ---------------------------
             (Exact name of registrant as specified in its charter)


    Delaware                       0-28262                  39-1706857
   ----------                      -------                  ----------
 (State or other                   (Commission              (IRS Employer
  jurisdiction of                   File Number)           Identification No.)
  incorporation)


 8410 West Bryn Mawr, Suite 1100, Chicago, Illinois                60631
- -----------------------------------------------------            ---------
    (Address of principal executive offices)                     (Zip Code)

Registrant's telephone number, including area code:  (773) 399-4200


                                 Not Applicable
                                 --------------
          (Former name or former address, if changed since last report)







<PAGE>





Item 5.   Other Events.
          -------------

         This  Current  Report  on Form 8-K is being  filed for the  purpose  of
filing the Credit  Agreement  dated  June 30,  1998  between  the  Company,  the
financial  institutions  named  therein as lenders and Nokia  Telecommunications
Inc. as agent.


Item 7.   Financial Statements and Exhibits
          ---------------------------------

(c)      Exhibits
         --------

         The exhibits  accompanying  this report are listed in the  accompanying
Exhibit Index.




                                        2

<PAGE>



                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned, thereto duly authorized.


Date:    November 09, 1998         AERIAL COMMUNICATIONS, INC.
                                  (Registrant)





                                 By: /s/ J. Clarke  Smith
                                    ----------------------------------
                                 J. Clarke Smith
                                 Vice President - Finance and Administration,
                                 Chief Financial Officer and Treasurer












                                        3

<PAGE>




                                  EXHIBIT INDEX


Exhibit Number                      Description of Exhibit
- --------------                      ----------------------

         99.1                       The Credit  Agreement  dated  June 30, 1998
                                    between   the   Company,    the   financial
                                    institutions named therein and Nokia
                                    Telecommunications, Inc.



                                        4





CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                                                                   Exhibit 99.1


                                CREDIT AGREEMENT


                            Dated as of June 30, 1998

                                     between

                          AERIAL COMMUNICATIONS, INC.,

                    THE FINANCIAL INSTITUTIONS NAMED HEREIN,

                                   as Lenders


                                       and


                         NOKIA TELECOMMUNICATIONS INC.,

                                    as Agent




                                        5

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                                TABLE OF CONTENTS


ARTICLE I....................................................................1
         DEFINITIONS.........................................................1
                  1.1.  Certain Defined Terms................................1

ARTICLE II..................................................................14
         THE CREDITS........................................................14
                  2.1.  Loans; Repayment....................................14  
                  2.2.  Optional Principal Payments; Prefunding Amount......15  
                  2.3.  Method of Payment...................................16  
                  2.4.  The Notes...........................................16  
                  2.5.  Interest Payment Dates; Interest and Fee Basis; 
                        Extension Fee.......................................16
                  2.6.  Reduction of Commitments............................17 
                  2.7.  Inability to Determine Eurodollar Rate; 
                        Illegality; Additional Costs;
                           Certificate; Capital Adequacy....................17

ARTICLE III.................................................................20
         CONDITIONS PRECEDENT...............................................20
                  3.1.  Credit Agreement....................................20
                  3.2.  Each Loan...........................................22

ARTICLE IV..................................................................22
         REPRESENTATIONS AND WARRANTIES.....................................22
                  4.1.  Corporate Existence and Standing....................22
                  4.2.  Authorization and Validity..........................22
                  4.3.  No Conflict; Government Consent.....................22
                  4.4.  Financial Statements................................23
                  4.5.  Disclosure..........................................23
                  4.6.  Proceedings.........................................23
                  4.7.  ERISA...............................................24
                  4.8.  Environmental.......................................24
                  4.9.  Taxes...............................................25
                  4.10.  Solvency...........................................25
                  4.11.  Compliance with Laws...............................25
                  4.12.  PCS Licenses.......................................25
                  4.13.  Franchise Interests................................25
                  4.14.  Properties.........................................26

                                        i

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  4.15.  Regulatory Matters.................................26
                  4.16.  Use of Proceeds....................................26

ARTICLE V...................................................................27
         COVENANTS..........................................................27
                  5.1.  Affirmative Covenants...............................27
                  5.2.  Negative Covenants..................................29
                  5.3.  Reporting Requirements..............................31

ARTICLE VI..................................................................33
         EVENTS OF DEFAULT..................................................33
                  6.1.  Events of Default...................................33

ARTICLE VII.................................................................36
         PRESERVATION OF RIGHTS; AMENDMENTS.................................36
                  7.1.     Preservation of Rights...........................36 
                  7.2.     Amendments.......................................36

ARTICLE VIII................................................................37
         GENERAL PROVISIONS.................................................37
                  8.1.     Survival of Representations......................37 
                  8.2.     Headings.........................................37 
                  8.3.     Severability of Provisions.......................37 
                  8.4.     Confidentiality..................................38 
                  8.5.     Giving Notice....................................39 
                  8.6.     Change of Address................................40 
                  8.7.     Governing Law....................................40 
                  8.8.     Successors and Assigns; Assignments and 
                            Participations..................................40 
                  8.9.     Enforcement Expenses.............................42
                  8.10.    Counterparts.....................................42 

ARTICLE IX..................................................................43
         THE AGENT..........................................................43
                  9.1.     Appointment of Agent.............................43 
                  9.2.     Agent's Reliance, Etc............................44 
                  9.3.     Nokia and Affiliates.............................44
                  9.4.     Lender Credit Decision...........................45 
                  9.5.     Indemnification..................................45 
                  9.6.     Successor Agent..................................45

                                       ii

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  9.7.     Payments; Non-Funding Lenders; Information;
                           Actions in Concert...............................46




                                       iii

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                                CREDIT AGREEMENT



                  This Credit  Agreement,  dated as of June 30, 1998, is between
Aerial Communications,  Inc., a Delaware corporation (formerly known as American
Portable  Telecom,  Inc.,"Aerial"),  Nokia  Telecommunications  Inc., a Delaware
corporation  ("Nokia")  (Nokia and its  respective  successors and assigns being
collectively  referred to  hereinafter  as the "Lenders" and Nokia and each such
successor or assign being  sometimes  individually  referred to hereinafter as a
"Lender"), and Nokia, in its capacity as agent for the Lenders (in such capacity
and together with any permitted successor and assign being hereinafter  referred
to as "Agent").


                                 R E C I T A L S

                  WHEREAS,   Aerial  has  agreed,   pursuant  to  the   Purchase
Agreements (as that term is defined below),  to purchase  certain  equipment and
services  from  Nokia,  and  Nokia  has  agreed  to  finance,  pursuant  to this
Agreement, * * * of the purchase price of such equipment and services;

                  NOW, THEREFORE, IN CONSIDERATION OF the undertakings set forth
herein and other good and valuable consideration, the receipt and sufficiency of
which is hereby acknowledged, the parties hereto agree as follows:



                                    ARTICLE I

                                   DEFINITIONS
                                   -----------

                  1.1.  Certain Defined Terms.  As used in this  Agreement,  the
following  terms shall have the following  meanings (such meanings to be equally
applicable to both the singular and plural forms of the terms defined):

                  "Affiliate"  means,  as to any Person,  any other Person that,
directly or  indirectly,  controls,  is controlled by or is under common control
with such Person or is a director  or officer of such  Person.  For  purposes of
this  definition,   the  term  "control"  (including  the  terms  "controlling,"
"controlled  by"  and  "under  common  control  with")  of a  Person  means  the
possession,  direct or indirect,  of the power to vote 10% or more of the Voting
Stock of such

                                        1

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Person or to direct or cause the  direction  of the  management  and policies of
such  Person,  whether  through the  ownership of Voting  Stock,  by contract or
otherwise.

                  "Agent"  means Nokia or any  successor  Agent which  becomes a
party hereto pursuant to Section 9.6 hereof.

                  "Agreement" means this Credit Agreement, as it may be amended,
restated, supplemented or otherwise modified from time to time.

                  "Applicable  Levels"  means,  with  respect to the  Eurodollar
Margin and the Extension Fee Percentage on any date the same is to be determined
by  reference  to this  definition,  the  Eurodollar  Margin and  Extension  Fee
Percentage  set forth below which  corresponds  to the Moody's and S&P long-term
senior unsecured debt ratings for TDS on such date:


<TABLE>
<CAPTION>
                                Level I               Level II            Level III         Level IV          Level V
                                ---------             ----------          ----------        ----------        ---------
TDS's Long-Term                 at least              Less than           Less than         Less than         Less than
Unsecured Debt is               A- by                 Level I             Level II          Level III         BBB- by
Rated                           S&P or                but at least        but at least      but at least      S&P and
                                A3 by                 BBB+ by             BBB by            BBB- by           Baa3 by
                                Moody's               S&P or              S&P or            S&P or            Moody's
                                                      Baa1 by             Baa2 by           Baa3 by
                                                      Moody's             Moody's           Moody's

<S>                             <C>                   <C>                 <C>               <C>               <C>    
Extension Fee                   * * *                 * * *               * * *             * * *             * * *
Percentage


Eurodollar Margin               * * *                 * * *               * * *             * * *             * * *
</TABLE>

                  "Article" means an article of this  Agreement,  unless another
document is specifically referenced.

                  "Assignment Agreement" is defined in Section 8.8(b) hereof.

                  "Business Day" means a day of the year on which banks are not 
required or

                                        2

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

authorized to close in New York, New York or Chicago, Illinois.

                  "Capital  Stock"  means  and  includes  any  and  all  shares,
interests, participations or other equivalents (however designated) of ownership
in a corporation or other Person.

                  "Capitalization"  means with  respect to a Person the total of
(a) Debt,  (b) the par value or, in the case of Capital Stock with no par value,
a value stated on the books, of all outstanding shares of Capital Stock, (c) the
paid-in surplus and retained earnings (or minus the net surplus deficit,  as the
case may be),  (d)  deferred  taxes and deferred  investment  tax  credits,  (e)
Capitalized Rent and (f) minority interests in Subsidiaries, of such Person.

                  "Capitalized   Rent"  means  the  present  value   (discounted
semi-annually  at a discount rate equal to the weighted average rate of interest
borne by the securities  issued under the TDS Indenture) of the total net amount
of rent  payable  for  the  remaining  term  of any  lease  of  property  by TDS
(including  any  period  for  which  such  lease has been  extended);  provided,
however,  that no such rental  obligation shall be deemed to be Capitalized Rent
unless the lease resulted from a Sale and Leaseback  Transaction.  The total net
amount of rent payable  under any lease for any period shall be the total amount
of the rent  payable by the  lessee  with  respect to such  period but shall not
include  amounts  required  to be paid on account of  maintenance  and  repairs,
insurance, taxes, assessments, water rates, sewer rates and similar charges.

                  "CERCLA"  means  the  Comprehensive   Environmental  Response,
Compensation and Liability Act of 1980, as amended from time to time.

                  "Closing  Date"  means the date upon  which  Nokia and  Aerial
execute this Agreement.

                  "Coax Cable Contract" means that certain Contract to Engineer,
Furnish and Install Coaxial Cable,  Connector and Ancillary Component Supply and
Installation  dated as of September 20, 1996,  between Aerial and Nokia,  as the
same has been or may, from time to time, be amended,  restated,  supplemented or
otherwise modified.

                  "Commercial  Paper Rate" shall mean, on any day the same is to
be  determined,  a per annum rate of interest equal to the sum of one-quarter of
one  percent  (1/4%)  plus the per annum rate of  interest  reported in the Wall
Street  Journal on such day, or if such day is not a Business  Day, the Business
Day  immediately  preceding  such day, in the "Money  Rates" column as being the
thirty (30) day  "commercial  paper" rate applying to the  high-grade  unsecured
notes sold through  dealers by major  corporations  on the Business Day prior to
such day. In the event that The Wall Street Journal is not published or fails to
publish the thirty (30) day "commercial

                                        3

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

paper" rate described  above,  the Agent shall  determine the applicable  thirty
(30) day "commercial  paper rate" for the applicable  period using such means as
it deems  appropriate to reasonably  approximate the interest rate on high-grade
unsecured  commercial  paper  notes  having a maturity  of thirty (30) days sold
through dealers by major corporations.

                  "Commitment"  means the  obligation  of each of the Lenders to
extend credit pursuant to its Tranche A Commitment and its Tranche B Commitment.

                  "Communications  Act" means the Federal  Communications Act of
1934, as amended.

                  "Communications Related Business" means any PCS System and any
other  business of  developing,  owning,  operating,  or managing or maintaining
wireless communications businesses.

                  "Confidential   Matters"  means  all  information   about  the
business and financial matters of Aerial or Nokia including, without limitation,
costs,  profits,  radio coverage plans,  cell site  locations,  plans for future
development, training materials, documentation,  methods of operation, marketing
concepts,  the  terms  and  conditions  of the  Loan  Documents,  and any  other
proprietary  information  relating to a party hereto or its Affiliates and their
respective  operations,  businesses,  and financial affairs, that is obtained by
the other party as a result of the contractual relationship between the parties,
whether  obtained  prior to or after the date hereof;  provided,  however,  that
Confidential  Matters  shall  not  include  information  that (a) is or  becomes
generally  available  to the  public  other  than  as  the  result  of  wrongful
disclosure by a recipient,  its Affiliates or their respective  representatives,
(b)  was  available  to  the  recipient,  its  Affiliates  or  their  respective
representatives on a nonconfidential basis prior to disclosure hereunder, (c) is
independently  developed by the recipient  hereunder,  or (d) becomes rightfully
available to the  recipient  from a third party that is under no  obligation  to
maintain such information as confidential.

                  "Consolidated  Capitalization" means the Capitalization of TDS
and its Subsidiaries  determined on a consolidated  basis as of the end of TDS's
then  most  recently  reported  fiscal  year or  quarter,  as the  case  may be,
including minority interests in Subsidiaries.

                  "Debt" means with respect to a Person (a) all  obligations  of
such Person for borrowed money and all such  obligations of any other Person for
borrowed money  guaranteed by such Person,  (b) all amounts payable with respect
to leases which should be capitalized on such Person's  financial  statements in
accordance with GAAP and (c) any  indebtedness of such Person evidenced by notes
(other than short-term trade debt incurred in the ordinary course of business),

                                        4

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

bonds, debentures or similar instruments.

                  "Default"  means any Event of  Default or any event that would
constitute an Event of Default but for the  requirement  that notice be given or
time elapse or both.

                  "Environmental Action" means any administrative, regulatory or
judicial action, suit, demand, demand letter, claim, notice of non-compliance or
violation,  investigation,   proceeding,  consent  order  or  consent  agreement
relating  in any  way  to any  Environmental  Law  or any  Environmental  Permit
including,  without limitation,  (a) any claim by any governmental or regulatory
authority for enforcement, cleanup, removal, response, remedial or other actions
or  damages  pursuant  to any  Environmental  Law and (b) any claim by any third
party   seeking   damages,   contribution,   indemnification,   cost   recovery,
compensation or injunctive relief resulting from Hazardous  Materials or arising
from alleged injury or threat of injury to health, safety or the environment.

                  "Environmental  Law"  means any  federal,  state or local law,
rule  or  regulation,  or  any  order,  writ,  judgment,   injunction,   decree,
determination or award binding upon Aerial or any Subsidiary and relating to the
environment,   health,  safety  or  Hazardous  Materials,   including,   without
limitation,  CERCLA,  the Resource  Conservation and Recovery Act, the Hazardous
Materials  Transportation Act, the Clean Water Act, the Toxic Substances Control
Act, the Clean Air Act, the Safe Drinking  Water Act, the Atomic Energy Act, the
Federal  Insecticide,  Fungicide and Rodenticide Act and the Occupational Safety
and Health Act.

                  "Environmental    Permit"   means   any   permit,    approval,
identification  number,  license  or  other  authorization  required  under  any
Environmental Law.

                  "Equipment   Purchase   Agreement"   means  that  certain  PCS
Infrastructure  Supply Contract dated March 1, 1996 between Aerial and Nokia, as
the same has been and may, at any time, be amended,  restated,  supplemented  or
otherwise modified.

                  "ERISA" means the Employee  Retirement  Income Security Act of
1974, as amended from time to time, and the regulations  promulgated and rulings
issued thereunder.

                  "ERISA  Affiliate"  of any Person  means any other Person that
for purposes of Title IV of ERISA is a member of such Person's controlled group,
or under common  control with such Person,  within the meaning of Section 414 of
the Internal Revenue Code.

                  "ERISA  Event"  with  respect  to any  Person  means  (a)  the
occurrence of a reportable  event,  within the meaning of Section 4043 of ERISA,
with respect to any Plan of such

                                        5

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Person or any of its ERISA Affiliates which would result in a material liability
to pay money with respect to such Plan unless the 30-day notice requirement with
respect  to such event has been  waived by the PBGC;  (b) the  provision  by the
administrator  of any Plan of such  Person or any of its ERISA  Affiliates  of a
notice of intent to terminate such Plan in a distress  termination under Section
4041(c) of ERISA;  (c) the  cessation of operations at a facility of such Person
or any of its ERISA Affiliates in the circumstances describe din Section 4062(e)
of ERISA which would result in a material liability to pay money with respect to
a Plan; (d) the withdrawal by such Person or any of its ERISA  Affiliates from a
Multiple  Employer  Plan  during  a plan  year for  which  it was a  substantial
employer,  as defined in Section  4001(a)(2)  of ERISA which  would  result in a
material  liability to pay money with respect to a Plan; (e) the failure by such
Person or any of its ERISA Affiliates to make a payment to a Plan required under
Section  302(f)(1) of ERISA;  (f) the adoption of an amendment to a Plan of such
Person or any of its ERISA  Affiliates  requiring  the  provision of security to
such Plan,  pursuant to Section 307 of ERISA; or (g) the institution by the PBGC
or  proceedings  to  terminate  a Plan  of  such  Person  or  any  of its  ERISA
Affiliates, pursuant to Section 4042 of ERISA, or the occurrence of any event or
condition  described in Section 4042 of ERISA that  constitutes  grounds for the
termination of, or the appointment of a trustee to administer, such Plan.

                  "Eurodollar  Base  Rate"  means,  for  each  day  during  each
calendar  month, a per annum rate equal to the quotient  (rounded  upward to the
nearest  1/100 of one percent) of (a) the rate of interest  reported in the Wall
Street  Journal on the first  Business  Day of such  month in the "Money  Rates"
column as the London Interbank Offered Rate for United States dollar deposits of
one month divided by (b) one minus the Reserve  Requirement  in effect from time
to time, except as otherwise provided in Section 2.7(a) hereof.

                  "Eurodollar  Margin"  means the per annum  rate equal to 0.25%
or, with respect to  outstanding  Tranche A Loans for any date of  determination
after June 30, 1999, the applicable  per annum rate  determined  pursuant to the
Applicable Level for the Eurodollar Margin on such date.

                  "Eurodollar   Rate"   means,   for  each  month  any  Loan  is
outstanding, the per annum rate equal to the sum of (a) the Eurodollar Base Rate
plus (b) the Eurodollar  Margin,  all as calculated on the first Business Day of
such month.

                  "Event of Default" has the meaning specified in Section 6.1.

                  "Extension" means the election by Aerial to extend the Tranche
A Maturity Date pursuant to Section 2.5(c).


                                        6

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  "Extension  Fee"  means a fee  payable by Aerial to the Agent,
for the ratable  benefit of the Lenders,  pursuant to Section  2.5(c)  hereof on
June 30, 1999, in an amount equal to the product of (i) the aggregate  amount of
the  Tranche A Loans  outstanding  on such date  times  (ii) the  Extension  Fee
Percentage, as determined on such date.

                  "Extension  Fee   Percentage"   means,   as  at  any  date  of
determination,  the percentage  determined  pursuant to the Applicable Level for
the Extension Fee Percentage on such date.

                  "FAA"  means  the  Federal  Aviation   Administration  or  any
successor commission or agency.

                  "FCC"  means  the  Federal  Communications  Commission  or any
successor commission or agency having jurisdiction over a PCS Licensee.

                  "FCC  License"  means  any   telephone,   microwave  or  other
communications license, permit, designation,  consent, approval or authorization
granted  or  issued  by the  FCC  with  respect  to a PCS  System  or any  other
Communications Related Business, whether for control, ownership, construction or
operation.

                  "Federal  Funds  Rate"  means,  on any  date the same is to be
determined,  a per annum rate equal to the sum of one-half of one percent (1/2%)
plus  the  the  weighted  average  of  the  rates  on  overnight  federal  funds
transactions  with  members of the Federal  Reserve  System  arranged by federal
funds  brokers  applicable  to such  day and as  published  for  such day by the
Federal Reserve Bank of New York.

                  "Final  Order"  means  an  order,  license,  permit,  consent,
approval or other  authorization of a PCS Authority that is no longer subject to
reconsideration or review by any court or administrative body.

                  "Financeable  Assets"  means  (i) * * * of the  infrastructure
equipment  and  services  purchased  by Aerial  from and  manufactured  by Nokia
pursuant to the Purchase  Agreements but only to the extent the purchase thereof
has not been already financed by Nokia pursuant to the Original Credit Agreement
and (ii) * * * of other ancillary equipment purchased by Aerial from Nokia after
the  Closing  Date and,  with  respect to  Tranche A Loans only and at  Aerial's
request, any Permitted Pre-Closing Purchases,  in all cases * * * any applicable
sales tax;  provided,  that  Financeable  Assets shall  include  such  ancillary
equipment purchased and Permitted  Pre-Closing Purchases only up to an aggregate
amount not to exceed * * * for each annual period after the Closing Date.

                                        7

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  "Franchise"  means a  franchise,  permit,  license  (including
without limitation an FCC License),  designation (including but not limited to a
designation as tentative selectee by the FCC), certificate, consent, approval or
other  authorization  granted or issued by a PCS  Authority  necessary for a PCS
Licensee to own, control, construct or operate a PCS System.

                  "Franchise  Interest"  of  any  Person  means  any  direct  or
indirect ownership interest in any other Person that is a PCS Licensee.  As used
herein, an ownership  interest means the lesser of a relevant Person's voting or
equity interest.

                  "GAAP"  means   generally   accepted   accounting   principles
consistent  with those applied in the  preparation  of the financial  statements
referred to in Section 4.5.

                  "Governmental  Authority" means any federal,  state,  local or
other  political  subdivisions  thereof  and any  entity  exercising  executive,
legislative,  judicial,  regulatory or administrative functions of or pertaining
to government.

                  "Hazardous   Materials"   means  (a)  petroleum  or  petroleum
products, natural or synthetic gas, asbestos in any form that is or could become
friable,  urea  formaldehyde  foam  insulation and radon gas, (b) any substances
defined as or included in the definition of "hazardous  substances,"  "hazardous
wastes,"  "hazardous   materials,"  "extremely  hazardous  wastes,"  "restricted
hazardous wastes," "toxic  substances,"  "toxic  pollutants,"  "contaminants" or
"pollutants," or words of similar import,  under any  Environmental  Law and (c)
any other substance to which is regulated under any Environmental Law.

                  "Insufficiency"  means,  with respect to any Plan, the amount,
if any, of its unfunded benefit  liabilities,  as defined in Section 4001(a)(18)
of ERISA.

                  "Internal  Revenue  Code" means the  Internal  Revenue Code of
1986, as amended from time to time, and the regulations  promulgated and rulings
issued thereunder.

                  "Lenders" means Nokia or any other institution which becomes a
party to this Agreement pursuant to an Assignment  Agreement as provided for and
permitted under Section 8.8(b) hereof.

                  "Lien" means any mortgage,  pledge,  security interest,  lien,
charge or other encumbrance.

                  "Loan" means a Tranche A Loan or a Tranche B Loan.


                                        8

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  "Loan Documents"  means this Agreement,  the Notes and the TDS
Guaranty.

                  "Loan Parties" means TDS and Aerial.

                  "Material Adverse Change" means any material adverse change in
the business,  condition  (financial or otherwise),  operations,  performance or
properties of TDS and its Subsidiaries taken as a whole.

                  "Material  Adverse Effect" means a material  adverse effect on
(a) the business, operations, affairs, financial condition, assets or properties
of TDS and its  Subsidiaries  taken as a whole,  (b) the rights and  remedies of
Lenders under the Loan Documents or (c) the ability of any Loan Party to perform
its obligations under the Loan Documents.

                  "Moody's"  means  Moody's  Investors  Service,  Inc.  and  any
successor thereto.

                  "MTA"  means a "Major  Trading  Area," as such term is defined
and modified by the FCC for purposes of PCS licensing.

                  "Multiemployer Plan" of any Person means a multiemployer plan,
as defined in Section  4001(a)(3)  of ERISA,  to which such Person or any of its
ERISA Affiliates is making or accruing an obligation to make  contributions,  or
has within any of the preceding five plan years made or accrued an obligation to
make contributions.

                  "Multiple Employer Plan" of any Person means a single employer
plan, as defined in Section  4001(a)(15)  of ERISA,  that (a) is maintained  for
employees of such Person or any of its ERISA  Affiliates and at least one Person
other than such Person and its ERISA  Affiliates or (b) was so maintained and in
respect of which such Person or any of its ERISA Affiliates could have liability
under  Section  4064 or 4069 of ERISA in the event such plan has been or were to
be terminated.

                  "Nokia"  means  Nokia   Telecommunications  Inc.,  a  Delaware
corporation, and its successors and assigns.

                  "Note" means any promissory note, in substantially the form of
Exhibit A hereto, duly executed by Aerial.

                  "Obligations"  means  all  obligations  of  Aerial to make any
payment under any Loan  Document,  whether of principal,  interest,  expenses or
otherwise and whether or not due.


                                        9

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  "Original   Credit   Agreement"   means  that  certain  Credit
Agreement  dated as of June 19,  1996,  entered  into by and between  Aerial and
Nokia.

                  "PBGC" means the Pension Benefit Guaranty Corporation.

                  "PCS" means personal communications services.

                  "PCS  Authority"  means the FCC,  the FAA and each  regulatory
authority (including but not limited to each public utility commission or public
service  commission)  which  has  jurisdiction  over  the  control,   ownership,
licensing,  construction  or  operation  of all or any part of any PCS System or
provision of any service by or in connection with a PCS System.

                  "PCS  Licensee"  means a Person  that is  authorized  by Final
Order of the FCC to own, control and operate a PCS System.

                  "PCS System" means a radiotelephone service system constructed
and  operated  in an MTA,  or other  geographic  service  area within the United
States or any other U.S. commonwealth, territory, or possession.

                  "Payment  Account" means the account of * * * , account number
* * * at * * * .

                  "Payment Date" is defined in Section 2.1(a).

                  "Permitted  Pre-Closing  Purchases" means * * * owed by Aerial
to Nokia for coaxial  equipment  purchased  pursuant to the Coax Cable  Contract
prior to the Closing Date only if * * * .

                  "Person" means an individual,  partnership,  limited liability
company,  corporation (including a business trust), joint stock company,  trust,
unincorporated  association,  joint venture or other entity,  or a government or
any political subdivision or agency thereof.

                  "Plan" means a Single Employer Plan or a Multiple Employer 
Plan.

                  "Property"  of a Person  means any and all  property,  whether
real, personal, tangible,  intangible, or mixed, of such Person, or other assets
owned, leased or operated by such Person.

                  "Pro Rata Share"  shall mean with  respect to all Loans and as
to any Lender,  (a) at any time prior to June 30, 1999, the percentage obtained
by dividing (i) the Commitment of that

                                       10

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Lender by (ii) the aggregate  Commitment  of all Lenders,  (b) at any time on or
after June 30, 1999,  but prior to the Tranche B Maturity  Date,  the percentage
obtained by dividing (i) the sum of such  Lender's  outstanding  Tranche A Loans
and its  Tranche  B  Commitment,  by (ii) the sum of the  aggregate  outstanding
Tranche A Loans and the aggregate  Tranche B Commitment  and (c) with respect to
all Loans on and after the Tranche B Maturity Date,  the percentage  obtained by
dividing (i) the aggregate  outstanding  principal  balance of the Loans held by
that Lender, by (ii) the outstanding  principal balance of the Loans held by all
Lenders.

                  "Purchase  Agreements" means the Equipment  Purchase Agreement
and the Coax Cable Contract.

                  "Refinancing"  means the repayment or prepayment of all or any
portion of the  outstanding  Obligations,  owing at any time,  made (directly or
indirectly)  from the  proceeds  of any  issuance  of debt or equity at any time
prior to September __, 2000,  by any Loan Party and  designated as a Refinancing
by Aerial,  in its sole  discretion;  provided,  that such  issuance  of debt or
equity must be  consummated  no more than ninety  days after such  repayment  or
prepayment.

                  "Register" is defined in Section 8.8(b) hereafter.

                  "Requisite  Lenders"  shall  mean (a)  Lenders  whose Pro Rata
Shares  are more than * * * , or (b) if the  Commitments  have been  terminated,
Lenders  who hold more  than * * * of the  aggregate  outstanding  amount of all
Loans.

                  "Reserve  Requirement"  means  the  aggregate  of the  reserve
requirement  rates  (expressed as a decimal) in effect on any day the same is to
be determined  for eurodollar  funding  currently  referred to as  "Eurocurrency
Liabilities"  in  Regulation D of the Board of Governors of the Federal Reserve
System.

                  "S&P" means Standard & Poor's Ratings Services,  a division of
the McGraw-Hill Companies, Inc., and any successor thereto.

                  "Sale and Leaseback  Transaction"  means any arrangements with
any Person other than a Tax  Consolidated  Subsidiary  providing for the leasing
(as  lessee) by TDS of any  property  (except for  temporary  leases for a term,
including any renewal  thereof,  of not more than three years (provided that any
such  temporary  lease may be for a term of up to five years if (a) the Board of
Directors of TDS  reasonably  finds such term to be in the best  interest of TDS
and (b) the primary  purpose of the transaction of which such lease is a part is
not to provide funds to or financing for TDS)), which property has been or is to
be sold or transferred by TDS (i) to any Subsidiary of TDS in the  contemplation
of or in connection with such arrangement or (ii) to such other person.

                                       11

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.


                  "Section" means a numbered  section of this Agreement,  unless
another document is specifically referenced.

                  "Securities Act" means the Securities Act of 1933, as amended.

                  "Single  Employer Plan" of any Person means a single  employer
plan, as defined in Section  4001(a)(15)  of ERISA,  that (a) is maintained  for
employees of such Person or any of its ERISA Affiliates and no Person other than
such Person and its ERISA  Affiliates or (b) was so maintained and in respect of
which such  Person or any of its ERISA  Affiliates  could have  liability  under
Section 4069 of ERISA in the event such plan has been or were to be terminated.

                  "Solvent" and "Solvency" mean, with respect to any Person on a
particular  date,  that on such date (a) the fair value of the  property of such
Person is  greater  than the total  amount of  liabilities,  including,  without
limitation, contingent liabilities, of such Person, (b) the present fair salable
value of the  assets of such  Person is not less  than the  amount  that will be
required  to pay the  probable  liability  of such  Person  on its debts as they
become  absolute and  matured,  (c) such Person does not intend to, and does not
believe that it will, incur debts or liabilities beyond such Person's ability to
pay as such debts and  liabilities  mature and (d) such Person is not engaged in
business  or a  transaction,  and  is not  about  to  engage  in  business  or a
transaction,  for which such Person's  property would constitute an unreasonably
small capital. In computing the amount of contingent liabilities at any time, it
is intended that such  liabilities  will be computed at an amount that, in light
of all facts existing at such time, represents the amount that can reasonably be
expected to become an actual or matured liability.

                  "Subsidiary" of any Person means any corporation, partnership,
joint  venture,  trust or estate of which (or in which) more than 50% of (a) the
issued and  outstanding  capital stock having  ordinary  voting power to elect a
majority of the Board of Directors of such corporation  (irrespective of whether
at the time  capital  stock of any other  class or classes  of such  corporation
shall or might have voting power upon the  occurrence of any  contingency),  (b)
the interest in the capital or profits of such  partnership  or joint venture or
(c) the  beneficial  interest in such trust or estate is at the time directly or
indirectly owned or controlled by such Person, by such Person and one or more of
its other Subsidiaries or by one or more of such Person's other Subsidiaries.

                  "Tax  Consolidated  Subsidiary" means a Subsidiary of TDS with
which, at the time a Sale and Leaseback  Transaction is entered into by TDS, TDS
would be entitled to file a consolidated federal income tax return.

                                       12

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  "TDS"  means  Telephone  and Data  Systems,  Inc.,  a Delaware
corporation.

                  "TDS Guaranty" means the Guaranty of TDS in substantially  the
form of  Exhibit  B hereto,  as such  Guaranty  shall be  amended  or  otherwise
modified from time to time.

                  "TDS  Indenture"  means the Indenture  dated as of February 1,
1991 between TDS and Harris Trust and Savings Bank, as Trustee,  as in effect on
the date hereof,  irrespective of whether the Indenture is subsequently  amended
or terminated.

                  "Tranche A Commitment" means,  during the period from the date
hereof until June 30, 1999, (a) as to any Lender,  the obligation of such Lender
to make  Tranche A Loans to finance * * * of the purchase  price of  Financeable
Assets in the  principal  amount set forth  opposite  such  Lender's name on the
signature page to this  Agreement or as set forth in the most recent  Assignment
Agreement  executed  by such  Lender and (b) as to all  Lenders,  the  aggregate
commitment of all Lenders to make Tranche A Loans,  which  aggregate  commitment
shall be SEVENTY-FIVE MILLION DOLLARS ($75,000,000) on the Closing Date, as such
amount, in the aggregate and  individually,  may be reduced from time to time in
accordance with Section 2.6 of this Agreement.

                  "Tranche A Loan" means an extension of credit to Aerial by the
Lenders pursuant to the Lenders' Tranche A Commitment.

                  "Tranche A Maturity  Date" means June 30, 1999,  or, if Aerial
elects to make an  Extension  and the  applicable  notice and  Extension  Fee is
received  by the Agent,  for the  benefit of the  Lenders,  pursuant  to Section
2.5(c) hereof, June 30, 2000.

                  "Tranche A Refinancing Amount" means all or any portion of the
proceeds of any Refinancing  which is either (A) directly or indirectly  applied
to the  repayment  or  prepayment  of any  outstanding  Tranche  A Loans  or (B)
designated  (out of any  unused  portion of such  proceeds),  in  Aerial's  sole
discretion,  as being held for the payment of future purchases prior to June 30,
1999, of Financeable Assets.

                  "Tranche B Commitment" means,  during the period commencing on
June 30, 1999 and ending on the Tranche B Maturity  Date,  (a) as to any Lender,
the  obligation  of such Lender to make  Tranche B Loans to finance * * * of the
purchase price of Financeable  Assets in the principal amount set forth opposite
such Lender's name on the  signature  page to this  Agreement or as set forth in
the most recent Assignment  Agreement  executed by such Lender and (b) as to all
Lenders,  the aggregate commitment of all Lenders to make Tranche B Loans, which
aggregate commitment shall be SEVENTY-FIVE MILLION DOLLARS ($75,000,000)

                                       13

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

on the Closing Date, as such amount, in the aggregate and  individually,  may be
reduced from time to time in accordance with Section 2.6 of this Agreement.

                  "Tranche B Loan" means an extension of credit to Aerial by the
Lenders pursuant to the Lenders' Tranche B Commitment.

                  "Tranche B Maturity Date" means June 30, 2000.

                  "Tranche B Refinancing Amount" means all or any portion of the
proceeds of any Refinancing  which is either (A) directly or indirectly  applied
to the  repayment  or  prepayment  of any  outstanding  Tranche  B Loans  or (B)
designated  (out of any  unused  portion of such  proceeds),  in  Aerial's  sole
discretion,  as being held for the payment of  purchases  after to June 30, 1999
but prior to the Tranche B Maturity Date of Financeable Assets.

                  "Voting Stock" means capital stock issued by a corporation, or
equivalent  interests in any other Person,  the holders of which are ordinarily,
in the absence of contingencies,  entitled to vote for the election of directors
(or persons performing similar functions) of such Person, even thought the right
so to vote has been suspended by the happening of such a contingency.

                  "Welfare  Plan"  means a welfare  plan,  as defined in Section
3(1) of ERISA.

                  "Withdrawal  Liability" has the meaning specified in Part I of
Subtitle E of Title IV of ERISA.

                                   ARTICLE II

                                   THE CREDITS
                                   -----------


                  2.1.  Loans; Repayment.

                  (a)  Tranche  A  Loans.  From and  including  the date of this
Agreement and prior to the Tranche A Maturity Date, the Lenders agree, severally
and not jointly,  on the terms and  conditions set forth in this  Agreement,  to
make Tranche A Loans in principal  amounts not  exceeding,  in the aggregate for
all such Tranche A Loans, the sum of the Tranche A Commitment.
                  (b)  Tranche B Loans.  From and  including  June 30,  1999 and
prior to the Tranche B Maturity  Date,  the  Lenders  agree,  severally  and not
jointly, on the terms and

                                       14

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

conditions  set forth in this  Agreement,  to make  Tranche B Loans in principal
amounts not exceeding, in the aggregate for all such Tranche B Loans, the sum of
the Tranche B Commitment.

                  (c)  Procedure  for Making  Loans.  Each Loan shall be made by
each  Lender * * * (each a "Loan  Date").  * * * shall  deliver  to the  Agent a
notice of borrowing  ("Notice of  Borrowing")  at least three  (3)Business  Days
prior to any Loan Date,  which notice,  once given,  shall be  irrevocable.  The
Agent  agrees,  promptly  upon receipt of a Notice of Borrowing  but in no event
later than three  Business  Days prior to the proposed Loan Date, to notify each
Lender of the date and amount of the Loan proposed  thereunder and the amount of
such  Lender's  Pro Rata  Share  therein.  So long as no Event  of  Default  has
occurred and is continuing and upon fulfillment of the applicable conditions set
forth in Article  III,  each Lender  severally  agrees,  on or before 12:00 P.M.
(Eastern time) on the applicable  Loan Date, to pay into * * * , an amount equal
to such  Lender's  Pro Rata  Share of such Loan in  dollars  and in  immediately
available funds.

                  (d)  Repayment.  Each advance of Loans shall be * * * . Aerial
shall repay (i) on the Tranche A Maturity  Date the unpaid  principal  amount of
all Tranche A Loans then outstanding and (ii) on the Tranche B Maturity Date the
unpaid principal amount of all Tranche B Loans then outstanding.  Amounts repaid
or prepaid  under the Loan  Documents  may not be  reborrowed.  All  payments of
principal and interest  hereunder shall be made,  without  setoff,  deduction or
counterclaim,  in  immediately  available  funds to the  Agent as  specified  in
Section 2.3.  Each payment  delivered to the Agent for the account of any Lender
shall be  delivered  promptly  by the  Agent to such  Lender in the same type of
funds which the Agent received at its address specified pursuant to the Register
or at any other  address  specified in a notice  received by the Agent from such
Lender.

                  2.2.  Optional  Principal  Payments;  Prefunding  Amount.  (a)
Aerial may from time to time  prepay,  without  penalty or  premium,  the unpaid
principal amount of all or any portion of the outstanding  Loans,  together with
accrued and unpaid interest on the amount prepaid.

                  (b) If any  prepayment  of a Loan or  Loans  occurs  on a date
which  does  not  correspond  to the date of the  maturity  of any  contract  or
contracts or other  arrangement  for funding entered into by any Lender in order
to maintain  such Loan or Loans,  other than by reason of  acceleration,  Aerial
indemnifies  any Lender for any reasonable  loss or cost incurred by such Lender
resulting  therefrom,  including,  without  limitation,  any  loss  or  cost  in
liquidating or re-employing  deposits acquired to fund or maintain the Loan. Any
demand for compensation  pursuant to this Section 2.2(b) shall be in writing and
shall state the amount due, if any, under such provisions and shall set forth in
reasonable detail the calculations upon which the applicable

                                       15

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Lender determined such amount.  Such written demand shall be rebuttably presumed
correct for all purposes.  Determination  of amounts  payable under this Section
2.2(b) in  connection  with a Loan shall be  calculated  as though  such  Lender
funded its Loan  through  the  purchase  of a deposit  of the type and  maturity
corresponding  to a deposit of the same amount and tenor used as a reference  in
determining the Eurodollar Rate applicable to such Loan, whether in fact that is
the case or not.

                  2.3. Method of Payment. All payments by or on behalf of Aerial
under the Loan Documents  shall be made, in immediately  available  funds to the
Agent * * * or * * * any other  address  of any  successor  Agent  specified  in
writing by such Agent to Aerial pursuant to Section 9.6.

                  2.4.  The Notes.  Aerial  shall  execute  and  deliver to each
Lender Notes to evidence the Tranche A  Commitment  and Tranche B Commitment  of
that  Lender.  Each Note  shall be in the  principal  amount  of the  applicable
Commitment  of the  applicable  Lender,  dated the date of  issuance,  stated to
mature on the applicable maturity date set forth herein and substantially in the
form of Exhibit A. The Notes shall represent the obligation of Aerial to pay the
amount of each Lender's Commitment or, if less, the applicable Lender's Pro Rata
Share of the aggregate  unpaid  principal amount of all Loans to Aerial together
with  interest  thereon as  prescribed  in Section  2.5.  Each  Lender is hereby
authorized  by Aerial to  register on a schedule to any Note the date and amount
of each Loan made to Aerial, and to register the date and amount of each payment
on each Loan made to Aerial,  and such  schedule  shall be  conclusive  evidence
against  Aerial of the amounts owing to such Lender with respect to the Loans in
the absence of manifest error; provided, however, that the failure of any Lender
to register any such information on such schedule shall not in any manner affect
the  obligation of Aerial to repay the Loans made to Aerial in  accordance  with
the terms of this Agreement or TDS's obligations under the Guaranty.

                  2.5. Interest Payment Dates; Interest and Fee Basis; Extension
Fee. (a) Interest  shall  accrue on each Loan at the  Eurodollar  Rate in effect
from  time to time and  shall  be  payable  on the  first  Business  Day of each
calendar  month for the preceding  calendar  month and on the Tranche A Maturity
Date or Tranche B Maturity  Date, as applicable to such Loan.  Interest shall be
calculated  for actual  days  elapsed on the basis of a 360-day  year.  Interest
shall be payable  for the day a Loan is made but not for the day of any  payment
on the amount paid if payment is received  prior to 2:00 p.m. (New York time) at
the place of payment.  If any payment of  principal  of or interest on a Loan or
fees shall become due on a day which is not a Business  Day,  such payment shall
be made on the next  succeeding  Business  Day and,  in the case of a  principal
payment,  such  extension  of time shall be  included in  computing  interest in
connection with such payment.

                                       16

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  (b)  Notwithstanding   the  foregoing,   from  and  after  the
occurrence  of an Event of Default and for so long  thereafter  as such Event of
Default is  continuing,  interest  shall accrue on each Loan,  and on each other
amount then due and payable by Aerial under the Loan Documents, at the per annum
rate equal to the sum of the rate otherwise applicable thereto plus 2.00%.

                  (c) Aerial may request an  Extension of the Tranche A Maturity
Date to the Tranche B Maturity  Date by  delivering  (i)  written  notice to the
Agent,  on behalf of the  Lenders,  of such  Extension at least 30 days prior to
June 30,  1999 and (ii)  payment to the Agent,  for the  ratable  benefit of the
Lenders,  of the Extension Fee on and  determined as of June 30, 1999.  Upon the
receipt by the Agent of the  applicable  notice and  Extension  Fee as set forth
above, the Tranche A Maturity Date shall automatically  convert to the Tranche B
Maturity Date.

                  2.6.  Reduction  of  Commitments.  Any  Tranche A  Refinancing
Amounts shall,  upon the receipt by the Agent or designation by Aerial  thereof,
automatically  reduce the  aggregate  Tranche A Commitment by a like amount and,
accordingly,  each Lender's Tranche A Commitment  shall be reduced ratably.  Any
Tranche  B  Refinancing  Amounts  shall,  upon  the  receipt  by  the  Agent  or
designation by Aerial thereof,  automatically reduce the Tranche B Commitment by
a like amount and,  accordingly,  each  Lender's  Tranche B Commitment  shall be
reduced ratably.

                  2.7  Inability  to  Determine  Eurodollar  Rate;   Illegality;
Additional Costs; Certificate; Capital Adequacy.

         (a) Inability to Determine Eurodollar Base Rate. In the event the Agent
shall  determine  that  adequate  and  reasonable   methods  do  not  exist  for
ascertaining the Eurodollar Base Rate that would otherwise determine the rate of
interest to be applicable at any time,  the Agent shall  forthwith  give written
notice of such  determination  (which  shall be  conclusive  and binding) to the
Lenders and Aerial. Upon such notice,  Aerial and the Lenders shall negotiate in
good  faith  to agree  on an  alternative  interest  rate  which  is  reasonably
equivalent to the Eurodollar Base Rate;  provided that if Aerial and the Lenders
are unable to agree on such  alternative  interest rate prior to the date of any
scheduled  payment of  interest  hereunder,  the  Eurodollar  Base Rate shall be
deemed  to be a  fluctuating  per annum  rate  equal to the  greater  of (i) the
Commercial  Paper Rate and (ii) the Federal Funds Rate, each in effect from time
to time.

         (b) Illegality.  Notwithstanding  any other provisions  herein,  if any
introduction of or change in any law, regulation,  treaty or directive or in the
interpretation  or  application  thereof shall make it unlawful,  or any central
bank or other Governmental  Authority having  jurisdiction over any Lender shall
assert that it is unlawful, for such Lender to make or maintain Loans that

                                       17

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

bear  interest  calculated by reference to the  Eurodollar  Rate (a) such Lender
shall  forthwith  give  written  notice of such  circumstances,  confirmed  in a
writing  delivered to Aerial by courier or postal service (which notice shall be
withdrawn by such Lender when such Lender  shall  reasonably  determine  that it
shall no longer be illegal for such Lender make or maintain such Loans), (b) the
commitment of such Lender to make or maintain Loans shall  forthwith be canceled
and (c) such  Lender's  Loans  then  outstanding,  if any,  shall  be  converted
automatically  on the next succeeding last day of each month  applicable to such
Loans or within  such  earlier  period as may be  required by law to loans which
bear interest at a per annum rate equal to an alternative interest rate which is
reasonably  equivalent  to the  Eurodollar  Rate  upon  which  the Agent and the
Lenders  may in good faith  agree;  provided  that if Aerial and the Lenders are
unable  to  agree on such  alternative  interest  rate  prior to the date of any
scheduled payment of interest hereunder,  each Loan then outstanding will, as of
the last Business Day of the then current month,  bear interest at a fluctuating
per annum rate equal to the sum of (i) the  higher of (A) the  Commercial  Paper
Rate and (B) the Federal Funds Rate and (ii) the Eurodollar  Margin,  each as in
effect  from  time to time.  Aerial  agrees  promptly  to pay the  Agent for the
account  of each  Lender,  upon  demand by the  Agent,  any  additional  amounts
necessary  to  compensate  the Lenders for any costs  incurred by the Lenders in
making any  conversion in  accordance  with this Section  2.7(b),  including any
interest or fees payable by the Lenders to lenders of funds  obtained by them in
order to make or maintain their Loans (the Agent's written notice of such costs,
as certified to Aerial, to be conclusive absent manifest error).

         (c) Additional  Costs,  Etc. If any present or future, or any change in
any  present  or future,  applicable  law,  which  expression,  as used  herein,
includes statutes,  rules and regulations thereunder and interpretations thereof
by any  competent  court  or by any  governmental  or other  regulatory  body or
official  charged  with the  administration  or the  interpretation  thereof and
requests, directives,  instructions and notices at any time or from time to time
hereafter  made upon or  otherwise  issued to any Lender by any central  bank or
other fiscal,  monetary or other  authority  (whether or not having the force of
law), shall:

                  (i) subject any Lender to any tax, levy, impost, duty, charge,
         fee, deduction or withholding of any nature with respect to this Credit
         Agreement,  the other Loan Documents,  such Lender's  Commitment or the
         Loans  advanced by such Lender (other than taxes based upon or measured
         by the income or profits of such Lender), or

                  (ii)  materially  change  the basis of  taxation  (except  for
         changes in taxes on income or profits) of payments to any Lender of the
         principal of or the interest on any Loans or any other amounts  payable
         to such Lender under this Credit Agreement or the other Loan Documents,
         or


                                       18

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  (iii) impose or increase or render  applicable  (other than to
         the  extent   specifically   provided  for  elsewhere  in  this  Credit
         Agreement) any special  deposit,  reserve,  assessment,  liquidity,  or
         other similar  requirements  against  assets held by, or deposits in or
         for the account of, or loans by, or commitments of any Lender, or

                  (iv) impose on any Lender any other conditions or requirements
         with respect to this Credit  Agreement,  the other Loan Documents,  the
         Loans, such Lender's  Commitment,  or any class of loans or commitments
         of which any of the Loans or such Lender's Commitment forms a part;

and the result of any of the foregoing is

                           (A) to  increase  the cost to any  Lender of  making,
                  funding, issuing, renewing, extending or maintaining the Loans
                  or such Lender's Commitment, or

                           (B) to reduce the amount of  principal,  interest  or
                  other amounts  payable to such Lender  hereunder on account of
                  such Lender's Commitment or the Loans, or

                           (C) to require  such Lender to make any payment or to
                  forego any interest or other sum payable hereunder, the amount
                  of  which  payment  or  foregone  interest  or  other  sum  is
                  calculated  by  reference  to the  gross  amount  of  any  sum
                  receivable  or deemed  received  by such  Lender  from  Aerial
                  hereunder,

then,  and in each such case,  Aerial  will,  upon  written  demand made by such
Lender at any time and from time to time and as often as the  occasion  therefor
may arise,  pay to such Lender such additional  amounts as will be sufficient to
compensate such Lender for such additional cost, reduction,  payment or foregone
interest or other sum (after such Lender  shall have  allocated  the same fairly
and equitably  among all  customers of any class  generally  affected  thereby);
provided that in the event that such additional  cost,  reduction,  payment,  or
foregone interest or other sum which was incurred by such Lender is subsequently
returned or reimbursed to such Lender,  such Lender shall return or reimburse to
Aerial any  additional  amount paid pursuant to this Section 2.7(c) by Aerial to
such Lender with respect thereto.  In the event that any of the foregoing events
occur,  each  Lender  will use its best  efforts  to take  such  actions  as are
reasonably and available to such Lender to decrease the additional costs payable
hereunder;  provided that no Lender shall be required to transfer any activities
related to this Agreement to any  jurisdiction  in which such Lender does not at
such time regularly  conduct ordinary  Lendering  operations.  Such Lender shall
give Aerial written notice of any event causing such additional cost, reduction,
payment  or  foregone  interest  or other sum  within 90 days of the  occurrence
thereof and Aerial shall not be liable for any such costs  incurred prior to the
date which is 90 days prior to the date

                                       19

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

of such notice.

         (d)  Certificate.  A certificate  setting forth any additional  amounts
payable pursuant to Sections 2.7(a),  (b) and (c) and the changes as a result of
which such amounts are due and the computation in reasonable  detail pursuant to
which such amounts were calculated,  submitted by any Lender to Aerial, shall be
conclusive  absent manifest  error.  Upon delivery of a notice to such Lender no
more than thirty (30) Business Days after  receipt of such  certificate,  Aerial
shall have reasonable opportunity to review and discuss such computations with a
responsible officer at such Lender.

         (e) Capital  Adequacy.  If any present or future,  or any change in any
present or future,  law,  governmental rule,  regulation,  policy,  guideline or
directive (whether or not having the force of law) or the interpretation thereof
by a court or Governmental  Authority with appropriate  jurisdiction affects the
amount of capital  required or expected  to be  maintained  by any Lender or any
corporation  controlling such Lender and such Lender  determines that the amount
of capital  required to be maintained by it or such  corporation is increased by
or based upon the existence of its Commitment or the Loans made pursuant hereto,
then such Lender may notify Aerial of such fact. To the extent that the costs of
such increased  capital  requirements are not reflected in the rates of interest
payable hereunder,  Aerial and such Lender shall thereafter attempt to negotiate
in good faith,  within thirty (30) days of the day on which Aerial receives such
notice,  an adjustment  payable  hereunder that will adequately  compensate such
Lender in light of these circumstances.  If Aerial and such Lender are unable to
agree to such  adjustment  within  thirty (30) days of the date on which  Aerial
receives  such  notice,  then  commencing  on the date of such  notice  (but not
earlier than the effective date of any such increased capital requirement),  the
fees payable  hereunder  shall increase by an amount that will, in such Lender's
reasonable  determination,  provide adequate  compensation to such Lender,  such
amount to be  conclusive  and binding on Aerial,  absent  manifest  error.  Each
Lender shall allocate such cost increases  among its customers in good faith and
on an equitable basis.


                                   ARTICLE III

                              CONDITIONS PRECEDENT
                              --------------------

                  3.1.  Credit  Agreement.   This  Agreement  shall  not  become
effective until the following  documents shall have been delivered to the Agent,
each  (except  under  clauses  (i) and (ii)  below)  dated  the same  date  (the
"Effective Date") and in form and substance satisfactory to the Agent:


                                       20

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  (i)      A certificate of good standing of Aerial issued as of
                           a recent date by the  Secretary of State of the State
                           of Delaware.

                  (ii)     A certificate of good standing for TDS issued as of a
                           recent date by the Secretary of State of the State of
                           Delaware.

                  (iii)    A  certificate  of  the  secretary  or  an  assistant
                           secretary of Aerial and of another  officer of Aerial
                           certifying  as to (A) a true and correct  copy of the
                           Certificate  of   Incorporation  of  Aerial  and  all
                           amendments  thereto in effect on the Effective  Date;
                           (B) a true and correct  copy of the by-laws of Aerial
                           and all amendments thereto in effect on the Effective
                           Date; (C) a true and correct copy of the  resolutions
                           of the Board of  Directors of TDS -  authorizing  the
                           execution  and  delivery  of this  Agreement  and the
                           Notes  and  the   performance  of  the   transactions
                           contemplated  thereby;  and  (D) the  incumbency  and
                           signatures of the officers of Aerial  executing  this
                           Agreement and the Notes and such certificate.

                  (iv)     A  certificate  of  the  secretary  or  an  assistant
                           secretary  of  TDS  and  of  another  officer  of TDS
                           certifying  as to (A) a true and correct  copy of the
                           Certificate   of   Incorporation   of  TDS   and  all
                           amendments  thereto in effect on the Effective  Date;
                           (B) a true and correct copy of the by-laws of TDS and
                           all  amendments  thereto  in effect on the  Effective
                           Date; (C) a true and correct copy of the  resolutions
                           of the  Board of  Directors  of TDS  authorizing  the
                           execution  and  delivery of the TDS  Guaranty and the
                           performance of the transactions contemplated thereby;
                           and (D) the incumbency and signatures of the officers
                           of  TDS   executing   the  TDS   Guaranty   and  such
                           certificate.

                  (v)      A certificate,  signed by the chief financial officer
                           of  Aerial,  stating  that on the  Closing  Date  all
                           representations  and  warranties of Aerial under this
                           agreement  are true and  correct  and no Default  has
                           occurred and is continuing.

                  (vi)     A written  opinion  of Sidley & Austin,  counsel  for
                           Aerial and TDS,  addressed to Nokia, in substantially
                           the form of Exhibit C hereto.

                  (vii)    The Notes and a counterpart  of this  Agreement  duly
                           executed and delivered by Aerial and the TDS Guaranty
                           duly executed and delivered by TDS.

                                       21

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  3.2.  Each Loan.  Each  Lender's  obligation  to make any Loan
shall be subject to the further  conditions  precedent  that on the date of such
Loan the  following  statements  shall be true (and the  acceptance by Aerial of
such Loan shall constitute a  representation  and warranty by Aerial that on the
date of such Loan such statements are true):

                           (i) the representations  and warranties  contained in
                  each Loan  Document  are correct on and as of such date before
                  and after giving  effect to such Loan as though made on and as
                  of such date; and

                           (ii) no event  has  occurred  and is  continuing,  or
                  would  result  from such Loan or from the  application  of the
                  proceeds therefrom, that constitutes a Default.


                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES
                         ------------------------------ 
                         

                  Aerial  represents and warrants to Lenders that as of the date
hereof and as of the date of each Loan:

                  4.1. Corporate Existence and Standing. Aerial is a corporation
duly  incorporated,  validly existing and in good standing under the laws of the
State of Delaware  and has all  requisite  authority  to conduct its business in
each jurisdiction in which its business is conducted.

                  4.2.  Authorization  and  Validity.  Aerial has the  corporate
power and  authority  and legal right to execute and deliver the Loan  Documents
and to perform its obligations thereunder.  The execution and delivery by Aerial
of the Loan Documents and the  performance of its  obligations  thereunder  have
been duly  authorized by proper  corporate  proceedings,  and the Loan Documents
constitute legal, valid and binding  obligations of Aerial  enforceable  against
Aerial in accordance with their terms,  except as enforceability  may be limited
by  bankruptcy,   insolvency  or  similar  laws  affecting  the  enforcement  of
creditors'  rights  generally.  This  Agreement  has  been,  and the  Note  when
delivered hereunder will have been, duly executed and delivered by Aerial.

                  4.3. No Conflict;  Government  Consent.  Neither the execution
and  delivery  by  Aerial of the Loan  Documents,  nor the  consummation  of the
transactions  therein  contemplated,  nor compliance with the provisions thereof
will violate any law,  rule,  regulation,  order,  writ,  judgment,  injunction,
decree or award binding on Aerial or Aerial's certificate of incorporation or

                                       22

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

by-laws or the  provisions  of any  indenture,  instrument or agreement to which
Aerial or any of its  Subsidiaries is a party or is subject,  or by which it, or
its Property, or any of its Subsidiaries or any of their respective  Properties,
is bound, or conflict with or constitute a default thereunder,  or result in the
creation or imposition of any Lien in, or on the Property of Aerial  pursuant to
the terms of any such indenture, instrument or agreement. Neither Aerial nor any
of its  Subsidiaries is in violation of any such law, rule,  regulation,  order,
writ, judgment,  injunction,  decree, determination or award, including, without
limitation,  the Communications  Act, or the terms of any Franchise or in breach
of any such contract, loan agreement,  indenture, mortgage, deed of trust, lease
or other  instrument  which violation or breach could  reasonably be expected to
have  a  Material  Adverse  Effect.  No  order,  consent,   approval,   license,
authorization,  or validation of, or filing,  recording or registration with, or
exemption by, any  governmental or public body or authority,  or any subdivision
thereof (including, without limitation, the FCC, any other PCS Authority, or any
other  Federal  agency or any  state,  county or  municipal  agency,  authority,
commission  or  council,  and,  if  applicable,  telephone  companies  and other
entities  exercising  jurisdiction  over the  provision of PCS  services) or any
other third party,  is required to authorize,  or is required in connection with
the execution,  delivery and performance of, or the legality,  validity, binding
effect or enforceability of, any of the Loan Documents.

                  4.4.  Financial  Statements.  Aerial  has  delivered  to Nokia
copies of the consolidated  financial  statements of Aerial and its Subsidiaries
listed in Schedule 4.4. All of such financial statements (including in each case
the related schedules and notes, if any) fairly present in all material respects
the  consolidated  financial  position of Aerial and its  Subsidiaries as of the
respective dates specified in such Schedule 4.4 and their  consolidated  results
of  operations  and their  consolidated  cash flows for the  respective  periods
therein  specified and have been prepared in accordance  with GAAP  consistently
applied  throughout  the  periods  involved,  except  as set  forth in the notes
thereto, if any (subject,  in the case of the interim financial  statements,  to
normal year-end adjustments).

                  4.5.  Disclosure.  Except as disclosed in Schedule  4.4,  this
Agreement, the documents, certificates and other writings identified in Schedule
4.4 and  delivered  to Nokia by or on behalf of  Aerial in  connection  with the
transactions contemplated hereby and the financial statements listed in Schedule
4.4, taken as a whole, do not contain any untrue statement of a material fact or
omit to state any material  fact  necessary to make the  statements  therein not
misleading as of such date in light of the  circumstances  under which they were
made. Except as described in Schedule 4.4, in any of the documents, certificates
or other writings  identified  therein or in the financial  statements listed in
Schedule 4.4, since December 31, 1997 there has been no Material Adverse Change.

                  4.6.  Proceedings.  There is no action, suit, investigation,
 litigation or proceeding

                                       23

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

affecting  TDS  or  any of its  Subsidiaries,  including  Environmental  Action,
pending  or  threatened  before any court,  governmental  agency or  arbitrator,
including  without  limitation  the FCC or any  other  PCS  Authority,  that (i)
purports to affect the legality, validity or enforceability of this Agreement or
any Note or the  consummation  of the  transactions  contemplated  hereby or the
Purchase  Agreements  or (ii) would  reasonably  be  expected to have a Material
Adverse Effect.

                  4.7.  ERISA.  No ERISA  Event has  occurred  or is  reasonably
expected  to occur  with  respect  to any  Plan of  Aerial  or any of its  ERISA
Affiliates which would have a Material Adverse Effect. Neither Aerial nor any of
its  ERISA  Affiliates  has  incurred  or is  reasonably  expected  to incur any
Withdrawal  Liability  to any  Multiemployer  Plan  which  would have a Material
Adverse Effect.  To the best knowledge of Aerial,  neither Aerial nor any of its
ERISA  Affiliates  has been notified by the sponsor of a  Multiemployer  Plan of
Aerial  or any of its  ERISA  Affiliates  that  such  Multiemployer  Plan  is in
reorganization or has been terminated,  within the meaning of Title IV of ERISA,
and no such Multiemployer Plan is reasonably expected to be in reorganization or
to be terminated,  within the meaning of Title IV of ERISA, which reorganization
or termination  would have a Material Adverse Effect.  The aggregate  annualized
cost  (including,  without  limitation,  the cost of  insurance  premiums)  with
respect to post-retirement benefits under Welfare Plans for which Aerial and its
Subsidiaries are liable does not exceed $1,500,000.00.

                  4.8.  Environmental.  The operations of Aerial and each of its
Subsidiaries  comply in all material respects with all  Environmental  Laws, all
necessary  Environmental  Permits  have been  obtained and are in effect for the
operations  and  properties  of  Aerial  and its  Subsidiaries,  Aerial  and its
Subsidiaries  are  in  compliance  in  all  material   respects  with  all  such
Environmental  Permits.  None  of  the  properties  of  Aerial  or  any  of  its
Subsidiaries is listed or to its knowledge  proposed for listing on the National
Priorities  List under CERCLA or on the  Comprehensive  Environmental  Response,
Compensation and Liability  Information  System  maintained by the Environmental
Protection  Agency or any analogous state list of sites requiring  investigation
or cleanup and to its knowledge no underground  storage  tanks,  as such term is
defined in 42 U.S.C.  ss. 6991,  are located on any property of Aerial or any of
its Subsidiaries.  Neither Aerial nor any of its Subsidiaries has transported or
arranged for the transportation of any Hazardous  Materials to any location that
is listed or proposed for listing on the National  Priorities  List under CERCLA
or any  analogous  statute.  Neither  Aerial  nor  any of its  Subsidiaries  has
generated, used, treated, handled, stored or disposed of any Hazardous Materials
on, or released or transported any Hazardous  Materials to or from, any property
of Aerial or any of its  Subsidiaries  except in  material  compliance  with all
Environmental Laws and Environmental  Permits, and all other wastes generated at
any such  properties  have been  disposed  of in  material  compliance  with all
Environmental Laws and Environmental Permits.


                                       24

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  ASAMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  4.9. Taxes. Aerial and each of its Subsidiaries has filed, has
caused to be filed or has been  included  in all tax  returns  (Federal,  state,
local and foreign)  required to be filed and has paid all taxes shown thereon to
be due, together with applicable interest and penalties.

                  4.10. Solvency.  Aerial is, individually and together with its
Subsidiaries, Solvent.

                  4.11.   Compliance   with   Laws.   Aerial  and  each  of  its
Subsidiaries  is in compliance  with the  requirements  of all applicable  laws,
rules, regulations,  orders, applications,  reporting and licensing requirements
of all governmental  authorities  non-compliance with which is reasonably likely
to have a Material Adverse Effect;  and neither Aerial nor any Subsidiary is the
subject  of  any  outstanding  citation,  order  or  investigation  by  any  PCS
Authority.

                  4.12.  PCS  Licenses.  Schedule 4.12 sets forth a complete and
correct list, all as of the date hereof in the case of Schedule 4.12 attached to
this  Agreement  and as of the date of each update of such  Schedule 4.12 in the
case of each such update, of (i) each PCS Licensee in which either Aerial or any
of its Subsidiaries has any Franchise Interest,  (ii) each MTA such PCS Licensee
is authorized to serve by the FCC, (iii) the name of such  Subsidiary  that owns
any such  interest,  (iv) the form,  class and  percentage  ownership and voting
interest of each therein, (v) each existing agreement for the acquisition of any
additional Franchise Interest or the disposition thereof and whether the consent
or approval  thereof by one or more PCS Authorities is necessary and, if so, (A)
the name of each PCS  Authority  whose  consent and  approval is  required,  (B)
whether such  consents and  approvals  have been  obtained,  and (C) whether the
orders  granting such  consents and  approvals  are Final  Orders.  and (vi) the
percentage  of all  outstanding  Franchise  Interests  owned or  subject  to any
agreement to purchase or sell or any option,  put or call to which either Aerial
or any of its Subsidiaries is a party.  Schedule 4.12 correctly lists as of such
date each Franchise, including (without limitation) each FCC License, granted or
issued by any PCS Authority to either Aerial or any of its Subsidiaries, the PCS
Authority  granting or issuing such Franchise,  and the geographic area to which
such  Franchise  relates and the expiration  date thereof,  if any. In addition,
Schedule 4.12 discloses as of such date all rights of first refusal, options and
other such rights or obligations in existence  (including,  without  limitation,
entitlements  to  acquire  additional   ownership  interests  and  supermajority
provisions)  which may affect the  ownership  interests  (or diminish the rights
associated  therewith) of either Aerial or any of its  Subsidiaries  in any such
PCS Licensee or other Person.

                  4.13. Franchise Interests.  Aerial or one of its Subsidiaries,
as the case may be, plan to obtain the respective Franchise, easement, equipment
rental,  interconnection  agreement,  and other contractual rights necessary for
the conduct of the business as now  conducted of each PCS System in which it has
any Franchise Interest and is in compliance with all material terms

                                       25

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE  OMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

and conditions  therewith.  To the knowledge of Aerial and its Subsidiaries,  no
event has occurred that would prevent  either Aerial or any of its  Subsidiaries
from  obtaining  any  Franchise,  easement,  equipment  rental,  interconnection
agreement or other  contractual  right  necessary for the future  conduct of the
business  of each PCS  System  in which it has any  Franchise  Interest,  as now
contemplated.  Each such  Franchise  is valid and in full force and effect,  and
Aerial and each of its  Subsidiaries  has  fulfilled  and  performed  all of its
material  obligations  with respect  thereto and has no reason to believe and no
knowledge that any such  Franchise  will not be renewed in the ordinary  course.
Neither  Aerial  nor any of its  Subsidiaries  knows of any fact which (i) could
result in either Aerial or any of its  Subsidiaries  being found  unqualified to
hold,  or which  permits (or after notice or lapse of time or both would permit)
the failure to grant, revocation or termination of, any Franchise, or the denial
of an application for the grant or renewal thereof or (ii) is reasonably  likely
to  materially  and adversely  affect any right of Aerial and its  Subsidiaries,
taken as a whole,  thereunder  (other than the possible sale of Franchises  with
respect to Alaska and Guam).  Aerial and each of its  Subsidiaries  has paid all
franchise,  license or other fees and charges  which have become due pursuant to
any  Franchise  in  respect  of any of its PCS  Systems  and has  made  adequate
provisions for any such fees and charges which have accrued.

                  4.14.  Properties.  All  material  properties,  equipment  and
systems of Aerial and its  Subsidiaries  which have been or will be  acquired in
connection  with any system  expansion  or  construction  are or will be in good
repair,  working  order and  condition  and are  anticipated  to be in  material
compliance with all applicable Franchises  (including,  without limitation,  all
FCC Licenses) and all standards and rules imposed by any PCS Authority.

                  4.15.  Regulatory  Matters.  Neither  Aerial  nor  any  of its
Subsidiaries  is an  "investment  company,"  or an  "affiliated  person"  of, or
"promoter"  or "principal  underwriter"  for, an  "investment  company," as such
terms are defined in the Investment Company Act of 1940, as amended. Neither the
making of any Loan, nor the application of the proceeds or repayment  thereof by
Aerial, nor the consummation of the other transactions contemplated hereby, will
violate  any  provision  of such  Act or any  rule,  regulation  or order of the
Securities  and  Exchange  Commission  thereunder.  Aerial  is  not  a  "holding
company," or an "affiliate" or a "holding company" or of a "subsidiary  company"
of a "holding  company," as such terms are defined in the Public Utility Holding
Company Act of 1935, as amended.

                  4.16. Use of Proceeds.  Aerial will use the Loans  exclusively
to finance  the  purchase  of  Financeable  Assets  from Nokia  pursuant to the
Purchase Agreements * * * any sales tax with respect thereto.




                                       26

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                                    ARTICLE V

                                    COVENANTS
                                    ---------


                  5.1.  Affirmative  Covenants.  So long as any Loan or any Note
shall remain unpaid or Lenders shall have any Commitment hereunder, Aerial will,
unless the Requisite Lenders shall have otherwise given prior written consent:

                  (a) Compliance with Laws, Etc.   Comply, and cause each of its
         Subsidiaries to comply with all applicable laws, rules, regulations and
         orders, such compliance to include, without limitation, compliance with
         the Communications Act except to the extent non-compliance would not be
         reasonably expected to have a Material Adverse Effect.


                  (b) Payment of Taxes, Etc.  Pay and discharge,  and cause each
         of its Subsidiaries to pay and discharge,  before the same shall become
         delinquent,  (i) all taxes,  assessments  and  governmental  charges or
         levies  imposed upon it or upon its property and (ii) all lawful claims
         that,  if  unpaid,  might  by law  become  a Lien  upon  its  property;
         provided,  however,  that  Aerial  and its  Subsidiaries  shall  not be
         required to pay or discharge any such tax, assessment,  charge or claim
         that is being contested in good faith and by proper  proceedings and as
         to which appropriate  reserves are being  maintained,  unless and until
         any Lien  resulting  therefrom  attaches  to its  property  and becomes
         enforceable against its other creditors.

                  (c) Compliance with Environmental Laws. Comply, and cause each
         of its  Subsidiaries  and all lessees and other  Persons  occupying its
         properties to comply, in all material respects,  with all Environmental
         Laws  and  Environmental  Permits  applicable  to  its  operations  and
         properties;  obtain and renew all  Environmental  Permits necessary for
         its  operations  and  properties;  and  conduct,  and cause each of its
         Subsidiaries to conduct, any necessary  investigation,  study, sampling
         and testing, and undertake any necessary cleanup,  removal, remedial or
         other action  necessary to remove and clean up all Hazardous  Materials
         from any of its  properties,  in  accordance  with and as  required  by
         applicable  Environmental Laws; provided,  however, that neither Aerial
         nor any of its  Subsidiaries  shall be required to  undertake  any such
         cleanup,  removal,  remedial  or other  action to the  extent  that its
         obligation  to do so is being  contested  in good  faith  and by proper
         proceedings and appropriate  reserves are being maintained with respect
         to such circumstances.

                                       27

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  (d)  Maintenance  Insurance.   Maintain, and cause each of its
         Subsidiaries  to maintain,  insurance  with  responsible  and reputable
         insurance  companies or  associations in such amounts and covering such
         risks as is usually carried by companies engaged in similar  businesses
         and owning similar properties in the same general areas in which Aerial
         or such Subsidiary operates.

                  (e) Preservation of Corporate Existence, Etc. Obtain, preserve
         and maintain,  and cause each of its  Subsidiaries to obtain,  preserve
         and maintain, (i) its corporate or partnership  existence,  as the case
         may be, rights,  franchises and privileges in the  jurisdiction  of its
         organization,   and  qualify  and  remain  qualified,  and  cause  each
         Subsidiary to qualify and remain qualified, as a foreign corporation or
         partnership,  as the case may be, in each  jurisdiction  in which  such
         qualification  is necessary in view of its business and  operations  or
         the  ownership  of its  properties,  except  where  the  failure  to be
         qualified as a foreign  corporation or partnership in  jurisdictions is
         not reasonably  likely to have a Material Adverse Effect,  and (ii) all
         approvals,  authorizations,  licenses, franchises and other permissions
         of all PCS Authorities and other governmental, judicial, regulatory and
         other  agencies  necessary to enable Aerial to operate and maintain its
         property,  business and  operations as the same  generally is currently
         being  carried on or as it may  hereafter  be carried on in  accordance
         with the Loan Documents.

                  (f) Visitation Rights. At any reasonable time and from time to
         time following the occurrence and during the continuance of an Event of
         Default upon reasonable notice during normal business hours, permit any
         Lender or any agents or  representatives  thereof,  to examine and make
         copies of and  abstracts  from the records and books of account of, and
         visit the  properties of Aerial,  and to discuss the affairs,  finances
         and accounts of Aerial with any of their officers or directors and with
         their independent certified public accountants.

                  (g) Keeping of Books. Keep, and cause each of its Subsidiaries
         to keep, proper books of record and account,  in which full and correct
         entries shall be made of all financial  transactions and the assets and
         business  of  Aerial  and  each  such  Subsidiary  in  accordance  with
         generally accepted accounting principles in effect from time to time.

                  (h) Maintenance of Properties,  Etc. Maintain and preserve, to
         the extent that the  management  of Aerial in its  reasonable  business
         judgment  deems  such   maintenance  and   preservation   necessary  or
         reasonably useful in the proper conduct of the business of Aerial,  all
         of its  properties in good working order and  condition,  ordinary wear
         and  tear  excepted,  except  where  the  failure  to  do  so  is  not,
         individually  or in the  aggregate,  reasonably  likely  to result in a
         Material Adverse Effect; and at all times do or cause to be

                                       28

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS DOCUMENT  HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         done all things necessary to obtain,  preserve,  renew and keep in full
         force and  effect  all  Franchises,  patents,  copyrights,  trademarks,
         service marks and trade names,  except when the failure to do so is not
         reasonably likely to result in a Material Adverse Effect.

                  (i) Compliance with Terms of Leaseholds. Make all payments and
         otherwise  perform  all  obligations  in  respect of all leases of real
         property,  keep such leases in full force and effect and not allow such
         leases to lapse or be  terminated or any rights to renew such leases to
         be  forfeited  or  canceled,  except  where any failure to do so is not
         reasonably likely, taken alone or otherwise, to have a Material Adverse
         Effect.

                  (j) Completion of PCS Systems.  Cause each of its Subsidiaries
         to  comply  with  all  requirements  of  any  PCS  Authority  or  other
         Governmental Authority (including without limitation any requirement of
         the  FCC  under  the  Communications  Act or  any  applicable  rule  or
         regulation  issued  thereunder  from time to time) to  complete or meet
         each   construction  or  in  service  deadline  or  other  "build  out"
         requirement if the failure to meet such deadline or  requirement  would
         have a Material Adverse Effect.

                  (k)  Purchase  Agreements.  Aerial  shall  duly  and  promptly
         perform  each  and  every  covenant  and  obligation  on its part to be
         performed under the Purchase Agreements.

                  5.2. Negative Covenants. So long as any Loan or any Note shall
remain unpaid or Lenders shall have any Commitment  hereunder,  Aerial will not,
at any time, without the written consent of the Requisite Lenders:

                  (a) Mergers, Etc.  Enter into any transaction  with any Person
         involving  a  merger  or   consolidation   or   amalgamation  or  other
         restructuring,  or liquidate,  wind up or assign, transfer or otherwise
         dispose  of, all or  substantially  all of its  property,  business  or
         assets whether now owned or hereafter  acquired or consolidate with any
         Person or permit  any Person to merge into it;  provided,  that  Aerial
         may, without the written consent of the Requisite  Lenders,  enter into
         such transaction or take such actions if (i) such Person (if other than
         Aerial)  expressly  assumes,  in an agreement  satisfactory in form and
         substance to the Agent,  the due and punctual  payment of the principal
         of and  interest on all Loans and the due and punctual  performance  of
         all other  obligations  of Aerial under the Loan  Documents;  provided,
         further,  that such Person shall be either (i) a Person  organized  and
         existing under the laws of the United States,  any state thereof or the
         District of Columbia or (ii) a Person  organized and existing under the
         laws of Canada,  Japan,  Australia,  New Zealand, any nation in Western
         Europe or of any political  subdivision  of any thereof and such Person
         undertakes to pay the Lenders and any other holder of the Notes any

                                       29

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS DOCUMENT  HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE ACT OF 1934,  AS  AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         additional  amounts as may be necessary in order that every net payment
         of principal of any interest on the Loans,  after withholding for or on
         account of any present or future tax, assessment or governmental charge
         imposed upon the Lenders or such holder  (except for a tax,  assessment
         or  charge  imposed  solely  as a result of a  connection  between  the
         recipient and the jurisdiction imposing such tax, assessment or charge)
         by  reason of or as a result of such  payment  being  made by an entity
         which is not a Person  existing  under the laws of the United States or
         any state  thereof or the District of  Columbia,  will not be less than
         the  amount  provided  for in the  Loan  Documents  to be then  due and
         payable; and provided,  further that immediately after giving effect to
         such  transaction  (and treating any Secured Debt or Sale and Leaseback
         Transaction  (as those  terms are defined in the TDS  Indenture)  which
         becomes an obligation of such Person as a result of such transaction as
         having been incurred or entered into by such Person at the time of such
         transaction),  no Default  shall have occurred and be  continuing;  and
         (ii) TDS shall have delivered to the Agent a written  consent of TDS to
         such transaction confirming the unqualified continuing effectiveness of
         its  guaranty  under  the TDS  Guaranty  after  giving  effect  to such
         transaction.

                  (b) Change in Nature of Business.  Make any material change in
         the nature of its business as carried on at the date hereof.

                  (c)   Charter   Amendments.     Permit   its  certificate   of
         incorporation  or  the  certificate  of  incorporation  of  any  of its
         Subsidiaries to contain the provision permitted by Section 102(b)(2) of
         the General  Corporation  Law of the State of  Delaware,  or amend,  or
         permit  any  of  its   Subsidiaries   to  amend,   its  certificate  of
         incorporation  or by-laws except where such amendment  could not have a
         Material Adverse Effect.

                  (d)  Accounting   Changes.    Make or permit  any  change  in
         accounting  policies or reporting  practices,  except as required by or
         advisable under generally accepted accounting principles.

                  (e) No  Negative  Pledge  Covenant.   Enter into or  suffer to
         exist,  or permit  any of its  Subsidiaries  to enter into or suffer to
         exist,  any agreement  under which claims arise against Aerial that are
         guaranteed  by  TDS if  such  agreement  prohibits  or  conditions  the
         creation or  assumption  of any Lien upon any of  Aerial's  property or
         assets (a " Negative Pledge Provision"); provided that Aerial may enter
         into,  and this  Section  5.2(e) is not meant to  prohibit,  agreements
         containing   Negative   Pledge   Provisions  if  such  Negative  Pledge
         Provisions  are (i) entered into with and in favor of Nokia,  (ii) with
         respect to leased  assets  under and  pursuant to  capitalized  leases,
         (iii) with respect to assets encumbered by purchase money Liens or (iv)
         with respect to assets acquired by Aerial or

                                       30

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         any of its  Subsidiaries  and  encumbered  by Liens in existence at the
         time of such  acquisition  and not  created  in  connection  with or in
         contemplation of such acquisition.

                  (f) Legal  Compliance.  Take or fail to take, or permit any of
         its  Subsidiaries  to take or fail to take, any action that would cause
         Aerial to be  unqualified to own, hold or control any Franchise if such
         action or failure to act is  reasonably  likely to result in a Material
         Adverse Effect.

                  (g)  Franchises.   Make  or  permit  the  termination  of  any
         Franchise  if such  termination  is  reasonably  likely  to result in a
         Material Adverse Effect.

                  5.3. Reporting  Requirements.  So long as any Loan or any Note
shall remain unpaid or Lenders shall have any Commitment hereunder, Aerial will,
unless the Requisite Lenders shall otherwise consent in writing,  furnish to the
Agent and each Lender:

                  (a) Default Notice. Promptly after Aerial becomes aware of the
         occurrence of any Default  continuing on the date of such statement,  a
         statement  of the  chief  financial  officer  of Aerial  setting  forth
         details  of such  Default  and the  action  that  Aerial has taken and
         proposes to take with respect thereto.

                  (b) Quarterly Financial. As soon as available and in any event
         within 45 days  after the end of each of the first  three  quarters  of
         each fiscal year,  the unaudited  consolidated  balance sheet of Aerial
         and its  Subsidiaries  as of the end of such  quarter and consolidated
         statements of operations and cash flows of Aerial and its  Subsidiaries
         for the period  commencing  at the end of the previous fiscal year and
         ending  with the end of such  quarter,  setting  forth in each  case in
         comparative form the corresponding figures for the corresponding period
         of the  preceding  fiscal  year,  all in  reasonable  detail  and  duly
         certified   (subject  to  year-end  audit  adjustments)  by  the  chief
         financial  officer of Aerial as having been prepared in accordance with
         GAAP,  together  with a  compliance  certificate  signed  by the  chief
         financial officer of Aerial.

                  (c) Annual  Financial.  As soon as available  and in any event
         within 120 days after the end of each fiscal year of Aerial,  a copy of
         the  annual  audit  report  for such  year for  Aerial,  TDS and  their
         Subsidiaries,  including  therein  the  consolidated  balance  sheet of
         Aerial,  TDS and their  Subsidiaries  as of the end of such fiscal year
         and consolidated statements of operations and cash flows of Aerial, TDS
         and their  Subsidiaries  for such fiscal year,  in each case  certified
         without  qualification as to any circumstance which could reasonably be
         expected  to have a  material  adverse  effect on  Aerial,  TDS and its
         Subsidiaries  taken  as a  whole,  by  Arthur  Andersen  LLP  or  other
         independent public

                                       31

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         accountants  of  recognized   standing  selected  by  Aerial,  TDS and
         reasonably acceptable to Nokia, together with (i) a certificate of such
         accounting  firm to Nokia  stating  that in the  course of the  regular
         audit of the  business  of Aerial,  TDS and their  Subsidiaries,  which
         audit  was  conducted  by  such  accounting  firm  in  accordance  with
         generally  accepted  auditing  standards,   such  accounting  firm  has
         obtained no knowledge that a Default has occurred and is continuing, or
         if, in the opinion of such accounting firm, a Default has occurred and
         is  continuing,  a  statement  as to  the  nature  thereof  and  (ii) a
         compliance certificate signed by the chief financial officer of Aerial.

                  (d) ERISA Events.  Promptly  after any Loan Party knows or has
         reason to know that any ERISA  Event with  respect to any Loan Party or
         any of its ERISA  Affiliates  has occurred and is reasonably  likely to
         have a Material  Adverse  Effect,  a statement  of the chief  financial
         officer of Aerial  describing such ERISA Event and the action,  if any,
         that such Loan Party or such ERISA  Affiliate has taken and proposes to
         take with respect thereto.

                  (e) Plan  Terminations.  Promptly after receipt thereof by any
         Loan Party or any of its ERISA  Affiliates,  copies of each notice from
         the PBGC  pursuant to Section  4042 of ERISA  stating its  intention to
         terminate any Plan of any Loan Party or any of its ERISA  Affiliates or
         to have a trustee  appointed to administer any such Plan if termination
         or appointment of a trustee would have a Material Adverse Effect.

                  (f) Plan Actuarial  Reports.  Promptly after receipt  thereof,
         copies of any actuarial report with respect to a Plan of any Loan Party
         or any of its ERISA  Affiliates,  which  indicates that such Plan has a
         "funded  current  liability  percentage"  (as such term is  defined  in
         Section 302(d)(8)(B) of ERISA) of less than or equal to 90 percent.

                  (g) Multiemployer Plan Notices. Promptly after receipt thereof
         by any Loan Party or any of its ERISA  Affiliates from the sponsor of a
         Multiemployer  Plan of any Loan  Party or any of its ERISA  Affiliates,
         copies of each  notice  concerning  (i) the  imposition  of  Withdrawal
         Liability by any such Multiemployer Plan, or (ii) the Reorganization or
         termination,  within  the  meaning  of Title IV of  ERISA,  of any such
         Multiemployer  Plan if such imposition,  reorganization  or termination
         would have a Material Adverse Effect.

                  (h)  Actuarial  Information.  With respect to each Plan of any
         Loan  Party  or any of its  ERISA  Affiliates,  Aerial  shall  promptly
         furnish  to the  Agent,  for  the  benefit  of each  Lender,  a copy of
         Schedule B  (Actuarial  Information)  to any annual  report  (form 5500
         Series)  required to be filed with the  Internal  Revenue  Service from
         time to time.

                                       32

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES EXCHANGE  ACT OF 1934,  AS  AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.


                  (i)  Litigation.  Promptly after the receipt by any Loan Party
         of service of process or other notice of commencement  thereof,  notice
         of all  actions,  suits,  investigations,  litigation  and  proceedings
         before any court or governmental department, commission, board, bureau,
         agency or  instrumentality,  domestic  or foreign,  affecting  any Loan
         Party or any of its  Subsidiaries  of the type described in Section 4.7
         other than rulemaking proceedings of general industry applicability.

                  (j) Securities  Reports.  Promptly after the sending or filing
         thereof,  copies  of all proxy  statements,  financial  statements  and
         reports that Aerial sends to its stockholders generally,  and copies of
         all  regular,  periodic  and  special  reports,  and  all  registration
         statements,   that  Aerial  files  with  the  Securities  and  Exchange
         Commission  or any  Governmental  Authority  that  may  be  substituted
         therefor, or with any national securities exchange.

                  (k)  Environmental  Conditions.  Promptly after the occurrence
         thereof,  notice of any  condition or occurrence on any property of any
         Loan Party or any of its  Subsidiaries  that  results in  noncompliance
         with, or liability under, any Environmental Law or Environmental Permit
         with  respect  to any  Loan  Party or any of its  Subsidiaries  that is
         reasonably likely to have a Material Adverse Effect.

                  (l) Credit Rating Action. Promptly after TDS or Aerial becomes
         aware of any action  with  respect to TDS's  long-term  unsecured  debt
         rating by Moody's or S&P, notice of such action.

                  (m) Other Information. Following the occurrence and during the
         continuance of an Event of Default,  such other information  respecting
         the  business,   condition   (financial  or   otherwise),   operations,
         performance,  properties  or  prospects of any Loan Party or any of its
         Subsidiaries as the Agent may from time to time reasonably request.


                                   ARTICLE VI

                                EVENTS OF DEFAULT
                                -----------------

                  6.1.  Events  of  Default.  If  any of  the  following  events
("Events of Default") shall occur and be continuing:

                  (a) (i) Aerial shall fail to pay when due any principal of any
Loan payable by

                                       33

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         it, (ii) Aerial  shall fail to pay any  interest on any Loan payable by
         it or shall  fail to make any other  payment  under  any Loan  Document
         within 2 Business Days after such interest or other payment becomes due
         and payable, or (iii) TDS shall fail to make any payment when due under
         the TDS Guaranty  within 2 Business Days after such payment becomes due
         and payable; or

                  (b) any  representation or warranty made by any Loan Party (or
         any of its  officers)  under or in  connection  with any Loan  Document
         shall prove to have been  incorrect in any material  respect when made;
         or

                  (c) Aerial shall fail to perform or observe any term, covenant
         or agreement contained in Section 5.2 or 5.3(a); or

                  (d) any Loan  Party  shall  fail to  perform  any other  term,
         covenant or agreement  contained in any Loan Document on its part to be
         performed or observed if such failure shall remain unremedied for * * *
         after  written  notice  thereof  shall have been given to Aerial by the
         Agent; or

                  (e) TDS  shall  fail  to pay  any  principal  of,  premium  or
         interest on or any other  amount  payable in respect of any Debt of TDS
         that is  outstanding  in an  aggregate  principal  amount  equal  to or
         greater than * * * , when the same becomes due and payable  (whether by
         scheduled  maturity,  required  prepayment,   acceleration,  demand  or
         otherwise),  and such failure shall continue after the applicable grace
         period,  if any,  specified in the agreement or instrument  relating to
         such Debt; or any default occurs under any instrument under which there
         is at the  time  outstanding,  or by  which  there  may be  secured  or
         evidenced,  any such Debt that is outstanding in an aggregate principal
         amount  equal to or greater  than * * * which  results in  acceleration
         (whether by declaration or  automatically)  of such Debt; or any "Event
         of Default" (as defined in the TDS Indenture) shall occur.

                  (f) any Loan Party shall  generally  not pay its debts as such
         debts  become due, or shall admit in writing its  inability  to pay its
         debts generally,  or shall make a general assignment for the benefit of
         creditors; or any proceeding shall be instituted by or against any Loan
         Party  seeking to  adjudicate  it a bankrupt or  insolvent,  or seeking
         liquidation,  winding  up,  reorganization,   arrangement,  adjustment,
         protection,  relief,  or  composition  of it or its debts under any law
         relating  to  bankruptcy,  insolvency  or  reorganization  or relief of
         debtors, or seeking the entry of an order for relief or the appointment
         of a receiver,  trustee,  or other  similar  official for it or for any
         substantial  part  of its  property  and,  in  the  case  of  any  such
         proceeding  instituted  against it (but not  instituted  by it) that is
         being

                                       34

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         diligently  contested by it in good faith, either such proceeding shall
         remain  undismissed  or  unstayed  for a period  of * * * or any of the
         actions sought in such proceeding (including,  without limitation,  the
         entry of an order for relief against, or the appointment of a receiver,
         trustee, custodian or other similar official for, it or any substantial
         part of its  property)  shall  occur;  or any Loan  Party or any of its
         Subsidiaries  shall take any  corporate  action to authorize any of the
         actions set forth above in this subsection (f); or

                  (g) any  judgment  or order for the payment of money in excess
         of * * * shall be rendered against TDS and there shall be any period of
         30 days during which a stay of  enforcement  of such judgment or order,
         by reason of a pending appeal or otherwise, shall not be in effect; or

                  (h) any provision of any Loan Document after delivery  thereof
         pursuant  to Article III shall for any reason  (other than  pursuant to
         the  terms  hereof or  thereof)  cease to be valid  and  binding  on or
         enforceable  against any Loan Party to it, or any such Loan Party shall
         so state in writing; or

                  (i) TDS shall at any time not maintain  beneficial  ownership,
         directly or indirectly through one or more Subsidiaries, of that number
         of shares of Capital  Stock of Aerial (or any entity into which  Aerial
         is merged or  consolidated  in accordance  with Section 5.2(a)) with at
         least a majority of the total voting power of Aerial entitled  (without
         regard to the occurrence of any contingency) to vote in the election of
         directors (or persons performing similar functions); or

                  (j) any ERISA Event shall have occurred with respect to a Plan
         of any  Loan  Party  or  any  of  its  ERISA  Affiliates  and  the  sum
         (determined  as of the date of  occurrence  of such ERISA Event) of the
         Insufficiency  of such Plan and the  Insufficiency of any and all other
         Plans of the Loan  Parties and their ERISA  Affiliates  with respect to
         which an ERISA  Event  shall  have  occurred  and  then  exist  (or the
         liability  of the Loan  Parties and their ERISA  Affiliates  related to
         such ERISA Event) exceeds * * * ; or

                  (k) any Loan Party or any of its ERISA  Affiliates  shall have
         been notified by the sponsor of a Multiemployer  Plan of any Loan Party
         or  any  of its  ERISA  Affiliates  that  it  has  incurred  Withdrawal
         Liability to such Multiemployer Plan in an amount that, when aggregated
         with all other amounts  required to be paid to  Multiemployer  Plans by
         the Loan Parties and their ERISA  Affiliates  as  Withdrawal  Liability
         (determined as of the date of such notification), would have a Material
         Adverse Effect; or

                  (l) any Loan Party or any of its ERISA  Affiliates  shall have
         been notified by

                                       35

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         the  sponsor  of a  Multiemployer  Plan of any Loan Party or any of its
         ERISA AFFILIATES that such  Multiemployer  Plan is in reorganization or
         is being terminated,  within the meaning of Title IV of ERISA, and such
         reorganization or termination would have a Material Adverse Effect;

then, and in any such event,  the Agent,  on behalf of the Lenders,  (i) may, by
notice to Aerial,  declare  the  obligation  of the  Lenders to make Loans to be
terminated,  whereupon  the same shall  forthwith  terminate,  and (ii) may,  by
notice to Aerial,  declare the Notes, all interest thereon and all other amounts
payable under this  Agreement  and the other Loan  Documents to be forthwith due
and payable,  whereupon the Notes,  all such interest and all such amounts shall
become and be forthwith due and payable, without presentment, demand, protest or
further notice of any kind, all of which are hereby  expressly waived by Aerial;
provided,  however,  that in the event of an actual or deemed  entry of an order
for relief with respect to any Loan Party under the Federal Bankruptcy Code, (x)
the  obligation of the Lenders to make Loans shall  automatically  be terminated
and (y) the Notes,  all such interest and all such amounts  shall  automatically
become  and be due and  payable,  without  presentment,  demand,  protest or any
notice of any kind, all of which are hereby expressly waived by Aerial.


                                   ARTICLE VII

                       PRESERVATION OF RIGHTS; AMENDMENTS
                       ---------------------------------- 


                  7.1 Preservation of Rights. No delay or omission of any Lender
to exercise  any right under the Loan  Documents  shall  impair such right or be
construed  to be a waiver of any  Default or an  acquiescence  therein,  and the
making of a Loan  notwithstanding the existence of a Default or the inability of
Aerial to satisfy the conditions precedent to such Loan shall not constitute any
waiver or  acquiescence.  Any single or partial exercise of any such right shall
not  preclude  other or further  exercise  thereof or the  exercise of any other
right.

                  7.2 Amendments. Subject to the provisions of this Section 7.2,
the Requisite Lenders (or the Agent with the consent in writing of the Requisite
Lenders)  and  Aerial  may enter  into  agreements  supplemental  hereto for the
purpose of adding or modifying any  provisions to the Loan Documents or changing
in any manner the rights of the Lenders or Aerial hereunder or waiving any Event
of Default or Default hereunder;  provided,  however,  that no such supplemental
agreement shall, without the consent of each Lender affected thereby:

                  (i)  Postpone  or extend  (not  including  an  Extension)  the
         Tranche A Maturity Date

                                       36

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         or the Tranche B Maturity  Date or any other date fixed for any payment
         of principal of, or interest on, the Loans or any fees or other amounts
         payable to such Lender except with respect to (A) any  modifications of
         the provisions  relating to prepayments of Loans and other  Obligations
         and (B) a waiver of the  application  of the  default  rate of interest
         pursuant to Section 2.5(b) hereof.

                  (ii)  Reduce the principal amount of any Loans, or reduce the
         rate or extend the time of payment of interest thereon.

                  (iii) Reduce the  percentage  specified in the  definition  of
         Requisite  Lenders or any other  percentage of Lenders  specified to be
         the applicable percentage in this Agreement to act on specified matters
         or amend the definition of "Pro Rata Share".

                  (iv)  Increase  the  amount of any  Commitment  of any  Lender
         hereunder or increase any Lender's Pro Rata Share.

                  (v)   Permit Aerial to assign its rights under this Agreement.

                  (vi)  Amend this Section 7.2.


                                  ARTICLE VIII

                               GENERAL PROVISIONS
                               ------------------

                  8.1  Survival  of  Representations.  All  representations  and
warranties of Aerial  contained in this Agreement shall survive  delivery of the
Notes and the making of the Loans herein contemplated.

                  8.2  Headings.  Section  headings  in this  Agreement  are for
convenience of reference only, and shall not govern the interpretation of any of
the provisions of the Loan Documents.

                  8.3  Severability  of  Provisions.  Any  provision in any Loan
Document  that is held  to be  inoperative,  unenforceable,  or  invalid  in any
jurisdiction shall, as to that jurisdiction, be inoperative,  unenforceable,  or
invalid without  affecting the remaining  provisions in that jurisdiction or the
operation,   enforceability,   or  validity  of  that  provision  in  any  other
jurisdiction, and to this end the provisions of all Loan Documents are declared
to be severable.


                                       37

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE OMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  8.4 Confidentiality. With respect to Confidential Matters, the
parties  hereto agree,  except as may be required to comply with any  applicable
law, regulation, or order of any governmental or other authority, that:

                  (a) Each will (i)  maintain,  or cause to be  maintained,  the
         confidentiality  of  Confidential  Matters  of the other  party and not
         disclose,  or permit to be disclosed,  any such  Confidential  Matters,
         unless  otherwise  authorized  in writing by the other party;  (ii) not
         use, or permit to be used,  any such  Confidential  Matters,  except in
         accordance with the performance of the Loan Documents;  (iii) restrict,
         or cause to be restricted,  disclosure of such Confidential  Matters to
         those officers, employees, Affiliates, and agents who need to know such
         Confidential Matters in the performance of work relating to the subject
         matter of this  Agreement  (it  being  understood  that such  officers,
         employees, Affiliates, and agents shall be informed of the confidential
         nature of such Confidential Matters and shall be required to treat such
         Confidential  Matters  confidentially  and not to use such Confidential
         Matters other than for the purpose described above); and (iv) will take
         precautions  necessary or appropriate to guard the  confidentiality  of
         such Confidential Matters.

                  (b) In the event that either party hereto becomes obligated to
         disclose  Confidential  Matters  pursuant to an order or request of any
         governmental or other  authority,  or in connection with any litigation
         or  arbitration,  such  party  shall seek a  protective  order or other
         appropriate   remedy   that  will  permit  such  party  to  avoid  such
         disclosures. In the event that such protective order or other remedy is
         not  obtained,  such  party  will  disclose  only that  portion  of the
         Confidential  Matters as it is obligated  to disclose  pursuant to such
         order,  and will use all reasonable  efforts to obtain  assurances that
         confidential  treatment will be accorded to any Confidential Matters so
         disclosed.  The party from which  disclosure is sought by any non-party
         shall  immediately inform the other party thereof and cooperate with it
         in  any   appropriate   effort  to   prevent   disclosure   or  protect
         confidentiality.

                  (c) Each party  shall  submit to the other a copy of all press
         releases and other publicity matters ("Publicity  Materials")  relating
         to performance under this Agreement wherein the name, trademark,  code,
         specification  or service mark of the other party or its  Affiliates is
         mentioned  and  neither  party  shall  publish  or use  such  Publicity
         Materials  without  the other's  prior  written  approval.  Approval or
         disapproval  shall be declared as promptly as possible but in any event
         within  five (5)  working  days of  submission  of the  proposed  copy.
         Approval may not be unreasonably withheld.

                  (d)  Confidential  matters may be disclosed in Securities  and
         Exchange

                                       38

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

         Commission  (the  "SEC")  filings,   to  the  extent  required  by  any
         applicable laws (subject to redactions  mutually prepared by Aerial and
         Nokia,  and  accepted  by the SEC)  and to any  potential  assignee  or
         participant  that has  signed an  agreement  to keep  such  information
         confidential.

                  8.5 Giving  Notice.  Any notice  required or  permitted  to be
given  under this  Agreement  shall be sent by United  States  mail,  telegraph,
telex, FAX or nationally established overnight courier service, addressed to the
party to be  notified  as  follows  or, as to each,  at such  other  address  as
designated by such party in a written notice to the other party,

if to Aerial at:

         Aerial Communications
         8410 West Bryn Mawr Avenue, Suite 1100
         Chicago, Illinois 60631
         Attention:  Chief Executive Officer

with a copy to:

         Sidley & Austin
         One First National Plaza
         Chicago, Illinois 60603
         Attention:  Michael G. Hron

and a copy to:

         Telephone and Data Systems, Inc.
         30 North LaSalle Street
         Suite 4000
         Chicago, Illinois 60602
         Attention:  Treasurer

if to Nokia, in its individual  capacity (whether it is a Lender or the Agent or
not) and as the initial Agent hereunder, at:

         Nokia Telecommunications Inc.
         6000 Connection Drive
         Irving, Texas 75039
         Attention:  President

                                       39

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS DOCUMENT  HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

with a copy to:

         Nokia Telecommunications Oy
         Upseerinkatu 1
         FIN-02600 Espoo
         Finland
         Attention:  Group Legal Counsel

if to a Lender  other than Nokia,  to the  address set forth in the  Register as
directed by such Lender pursuant to Section 8.8(b) and if to an Agent other than
Nokia, to the address  supplied by such successor Agent pursuant to Section 9.6.
A copy  of all  notices  delivered  hereunder  shall  be sent  to  Nokia  at the
addresses set forth above even if Nokia is not the Agent or a Lender.

Such notices shall be deemed received (i) when received by the addressee if sent
via the  United  States  mail,  postage  prepaid,  (ii)  when  delivered  to the
appropriate  office or machine operator for  transmission,  charges prepaid,  if
sent by telegraph or telex (answerback confirmed in the case of telexes),  (iii)
when receipt  thereof by the  addressee is confirmed by telephone if sent by FAX
and (iv) one business day after deliver to an overnight courier service, if sent
by such  service,  in each case  addressed to Aerial or any Lender or Nokia,  as
applicable, at the addresses set forth on the signature pages hereof.

                  8.6  Change of  Address.  Aerial and Nokia may each change the
address  for  service  of  notice  upon it by a notice in  writing  to the other
parties hereto.

                  8.7  Governing  Law.  This Agreement  shall be construed  and
enforced in accordance with, and the rights of the parties shall be governed by,
the laws of the State of New York excluding the choice-of-law  principles of the
laws  of  such  state  that  would  require  the  application  of the  laws of a
jurisdiction other than such state.

                  8.8  Successors and Assigns;  Assignments  and Participations.
(a) All  representations,  covenants  and  other  agreements  contained  in this
Agreement  by or on behalf of any of the parties  hereto shall bind and inure to
the  benefit of their  respective  successors  and assigns  (including,  without
limitation, any subsequent holder of any Note), whether so expressed or not.

                  (b) Any Lender may, pursuant to the provisions of this Section
8.8(b),  assign,  at any time or  times,  all or any  portion,  but if a partial
assignment,  in an amount  at least  equal to  $5,000,000,  of the  Loans,  Loan
Documents and/or any Commitment hereunder or of any portion, thereof or interest
therein, including Lender's rights, title, interests, remedies, powers or duties

                                       40

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

hereunder or under the other Loan  Documents to any Person;  provided  that such
assignment  shall be to a Person  acceptable  to the Agent  and,  if no Event of
Default has occurred and is  continuing,  such  assignment  shall be to a Person
acceptable to Aerial;  provided further,  however, that Aerial shall be entitled
to  classify a  prospective  assignee  as not  acceptable  only if Aerial in its
reasonable judgment believes such assignment could be disadvantageous to Aerial.
Any  assignment  of a Lender  shall be  evidenced  by a  writing  in the form of
Exhibit D hereto ("Assignment  Agreement").  The Agent shall give Aerial written
notice  ("Assignment  Notice") of any  proposed  assignments  which notice shall
contain  (i) the dollar  amount to be  assigned,  (ii) the name of the  proposed
assignee, and (iii) the price which the proposed assignee is expected to pay for
such assignment.  Any proposed assignment shall be deemed to have been consented
to by Aerial unless Aerial provides  written notice to the Agent within five (5)
Business  Days of  receipt  of the  applicable  Assignment  Notice  that  (i) it
withholds  its consent of such  proposed  assignment  (such  notice to contain a
reasonable   description  of  the  reasons  for  Aerial's   withholding  consent
therefor), or (ii) it will prepay in whole, or in part, the portion of the Loans
or Commitment which the Agent proposed to assign or participate (such prepayment
to occur not later than thirty (30) days after such notice to the Agent). On and
after the effective date of such  assignment,  such  assignee,  if not already a
Lender, shall for all purposes be a Lender party to this Agreement and any other
Loan  Documents and shall have all the rights and  obligations of a Lender under
the Loan  Documents,  to the same extent as if it were an original party hereto,
and no further consent or action by Aerial,  any other Lender or the Agent shall
be required to release the  transferor  Lender with respect to the percentage of
the Commitment and Loans assigned to such assignee. Upon the consummation of any
assignment to an assignee pursuant to this Section 8.8(b),  the assignor Lender,
the assignee Lender, the Agent and Aerial shall make appropriate arrangements so
that the assignee  Lender shall receive all deliveries and notices  provided for
under this  Agreement.  The Agent shall  maintain at its address  referred to in
Section 8.5 a copy of each Assignment Agreement for the recordation of the names
and addresses of any Lender and the  Commitment  of and principal  amount of the
Loans  owing  to each  Lender  from  time to time  (the  "Register").  Upon  the
effectiveness of any assignment permitted hereby, Aerial acknowledges and agrees
that such  assignment  shall give rise to a direct  obligation  of Aerial to the
Lender and any such Lender  together with Nokia,  to the extent Nokia  maintains
any share of the Loans or Commitment, shall be considered,  collectively,  to be
the  "Lenders"  for  all  purposes  under  this  Agreement  and the  other  Loan
Documents.

                  (c) Any Lender may, in the ordinary course of its business and
in  accordance  with  applicable  law,  at any time sell to one or more banks or
other entities not directly or indirectly in competition  with either Loan Party
("Participants")  participating  interests in any Loan owing to such Lender, any
Note held by such Lender or any  Commitment of such Lender or any other interest
of such Lender under the Loan Documents on a pro rata or non-pro rata basis.  In
the  event  of any  such  sale  by a  Lender  of  participating  interests  to a
Participant, such

                                       41

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS DOCUMENT  HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Lender's  obligations  under the Loan  Documents  shall remain  unchanged,  such
Lender shall  remain  solely  responsible  to the other  parties  hereto for the
performance of such obligations, such Lender shall remain the holder of any such
Note for all  purposes  under the Loan  Documents,  such Lender  shall be solely
responsible for any withholding taxes or any filing or reporting requirements in
connection therewith relating to such Participant, all amounts payable by Aerial
under this  Agreement  shall be  determined  as if such Lender had not sold such
participating  interests, and Aerial and the Agent shall continue to deal solely
and  directly  with such  Lender in  connection  with such  Lender's  rights and
obligations  under the Loan  Documents  except that, for purposes of Section 2.7
hereof,  any  Participants  shall be entitled to the same rights as if they were
Lenders,  provided that no Participant  shall be entitled to receive any greater
amount  pursuant  to Section 2.7 than such  Lender  would have been  entitled to
receive  in  respect  of the  amount of the  participation  transferred  to such
Participant had no transfer occurred.

                  8.9 Enforcement  Expenses.  Aerial agrees to pay on demand all
costs and expenses of Lenders  (including but not limited to the reasonable fees
and  expenses  of counsel  for the  Lenders)  incurred  in  connection  with the
enforcement  of the  Loan  Documents,  whether  or not in any  action,  suit  or
litigation or any bankruptcy,  insolvency or other similar proceeding  affecting
creditors'  rights  generally  or  any  proceeding   ancillary  thereto  or  the
preparation  therefor,   including,   without  limitation,  in  connection  with
protecting  or  preserving   rights  or  interests  under  the  Loan  Documents,
negotiating  with  any Loan  Party or with  other  creditors  of any Loan  Party
arising  out of any Default or events or  circumstances  that may give rise to a
Default,  presenting  claims in or otherwise  participating in or monitoring any
bankruptcy,  insolvency or other similar proceeding  affecting creditors' rights
generally or any proceeding ancillary thereto.

                  8.10  Counterparts.  This  Agreement  may be  executed  in any
number  of  counterparts,  all of which  taken  together  shall  constitute  one
agreement,  and any of the parties  hereto may execute this Agreement by signing
any  such  counterpart.  This  Agreement  shall  be  effective  when it has been
executed by Aerial and Nokia and the  conditions  set forth in Section 3.1 shall
have  been  satisfied  and shall  thereafter  be  binding  upon and inure to the
benefit of Aerial and Nokia and their respective successors and assigns.



                                       42

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                                   ARTICLE IX

                                    THE AGENT
                                    ---------

                  9.1.  Appointment of Agent.  (a) Nokia is hereby  appointed to
act as contractual  representative on behalf of all Lenders under this Agreement
and the  other  Loan  Documents.  The Agent  agrees  to act as such  contractual
representative  upon the express  conditions  contained  in this Article IX. The
provisions  of this Section 9.1 are solely for the benefit of Agent and Lenders,
and  Aerial  or any other  Person  shall  not have any  rights as a third party
beneficiary  of any of the  provisions  hereof. In performing its functions and
duties under this  Agreement and the other Loan  Documents,  the Agent shall act
solely as an agent of the Lenders and does not assume and shall not be deemed to
have assumed any obligation  toward or  relationship  of agency or trust with or
for  Aerial  or  any  other   Person.   The  Agent   shall  have  no  duties  or
responsibilities  except for those expressly set forth in this Agreement and the
other Loan Documents. Notwithstanding the use of the defined term "Agent", it is
expressly  understood  and agreed  that the Agent  shall not have any  fiduciary
responsibilities to any Lender by reason of this Agreement and that the Agent is
merely acting as the representative of the Lenders with only those duties as are
expressly set forth in this Agreement and the other Loan Documents.  Each of the
Lenders  agrees to assert no claim against the Agent on any agency theory or any
other theory of liability for breach of fiduciary duty, all of which claims each
lender  waives.  Neither  the Agent nor any of its  Affiliates  nor any of their
respective officers,  directors,  employees,  agents or representatives shall be
liable to any Lender for any action taken or omitted to be taken by it hereunder
or under any other Loan Document, or in connection herewith or therewith, except
for damages caused by its or their own gross negligence or willful misconduct.

                  (b) If Agent  shall  request  instructions  from all  Lenders,
Requisite  Lenders or all  affected  Lenders  with  respect to any act or action
(including  failure to act) in connection  with this Agreement or any other Loan
Document,  then Agent shall be entitled to refrain  from such act or taking such
action unless and until the Agent shall have received  instructions all Lenders,
Requisite Lenders or all affected  Lenders,  as the case may be, and Agent shall
not incur liability to any Person by reason of so refraining. The Agent shall be
fully justified in failing or refusing to take any action hereunder or under any
other Loan  Document (a) if such action would,  in the opinion of the Agent,  be
contrary to law or the terms of this Agreement or any other Loan  Document,  (b)
if such  action  would,  in the  opinion  of the  Agent,  expose  the  Agent  to
liabilities  beyond the limits of this  Agreement  or (c) if the Agent shall not
first be  indemnified  to its  satisfaction  against any and all  liability  and
expense  which may be incurred by it by reason of taking or  continuing  to take
any such action. Without limiting the foregoing,  no Lender shall have any right
of action  whatsoever  against  the  Agent as a result  of the  Agent  acting or
refraining

                                       43

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

from acting  hereunder or under any other Loan Document in  accordance  with the
instructions  of all  Lenders,  Requisite  Lenders or all affected  Lenders,  as
applicable.


                  9.2. Agent's  Reliance,  Etc. Neither the Agent nor any of its
Affiliates nor any of their respective directors,  officers, agents or employees
shall be liable for any action  taken or omitted to be taken by it or them under
or in connection  with this  Agreement or the other Loan  Documents,  except for
damages  caused by its or their  own gross  negligence  or  willful  misconduct.
Without limitation of the generality of the foregoing,  the Agent: (a) may treat
the payee of any Note as the holder thereof until Agent receives  written notice
of the  assignment  or  transfer  thereof  signed  by  such  payee  and in  form
satisfactory to Agent; (b) makes no warranty or representation to any Lender and
shall  not be  responsible  to any  Lender  for any  statements,  warranties  or
representations  made in or in connection  with this Agreement or the other Loan
Documents;  (c) shall not have any duty to  ascertain  or to  inquire  as to the
performance  or observance of any of the terms,  covenants or conditions of this
Agreement  or the other Loan  Documents  on the part of Aerial or to inspect any
assets  pledged  as  collateral  in  connection  therewith;  (d)  shall  not  be
responsible   to  any  Lender  for  the  due  execution,   legality,   validity,
enforceability, genuineness, sufficiency or value of this Agreement or the other
Loan Documents or any other instrument or document  furnished pursuant hereto or
thereto;  and (e) shall incur no liability under or in respect of this Agreement
or the other Loan Documents by acting upon any notice,  consent,  certificate or
other instrument or writing (which may be by telecopy, telegram, cable or telex)
believed by it to be genuine and signed or sent by the proper  party or parties.
In addition, the Agent shall be entitled to rely upon any certificate, notice or
other document (including any cable,  telegram,  facsimile or telex) believed by
it in good faith to be genuine and correct and to have been signed or sent by or
on behalf of the proper  Person or Persons  and upon  advice and  statements  of
legal counsel,  independent  accountants and other experts selected by the Agent
with reasonable care. As to any other matters not expressly provided for by this
Agreement,  the Agent shall not be  required to take any action or exercise  any
discretion,  but  shall  be  required  to act or to  refrain  from  acting  upon
instructions  of the Required  Lenders and shall in all cases be fully protected
by the Lenders in acting,  or in  refaining  from acting  hereunder or under any
other Loan Document in accordance with the instructions of the Required Lenders,
and such  instructions of the Required  Lenders and any actions taken or failure
to act pursuant thereto shall be binding on all of the Lenders.

                  9.3.  Nokia and  Affiliates.  With respect to its  Commitments
hereunder,  Nokia shall have the same rights and powers under this Agreement and
the other Loan Documents as any other Lender and may exercise the same as though
it were  not the  Agent;  and the  term  "Lender"  or  "Lenders"  shall,  unless
otherwise expressly indicated,  include Nokia in its individual capacity.  Nokia
and its  Affiliates  may lend money to, invest in, and  generally  engage in any
kind

                                       44

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS DOCUMENT  HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE ACT OF 1934,  AS  AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

of  business  with,  Aerial,  any of its  Affiliates  and any  Person who may do
business with or own securities of Aerial or any such Affiliate, all as if Nokia
were not the Agent and  without any duty to account  therefor to Lenders.  Nokia
and its  Affiliates  may accept  fees and other  consideration  from  Aerial for
services in  connection  with this  Agreement  or  otherwise  without  having to
account for the same to Lenders.

                  9.4. Lender Credit Decision.  Each Lender acknowledges that it
has,  independently  and without reliance upon the Agent or any other Lender and
based on the financial  information  given it by Aerial and such other documents
and information as it has deemed appropriate,  made its own credit and financial
analysis  of Aerial  and its own  decision  to enter into this  Agreement.  Each
Lender also acknowledges  that it will,  independently and without reliance upon
the Agent or any other Lender and based on such documents and  information as it
shall deem appropriate at the time, continue to make its own credit decisions in
taking or not taking action under this Agreement.  Each Lender  acknowledges the
potential  conflict  of  interest  of each  other  Lender as a result of Lenders
holding disproportionate  interests in the Loans, and expressly consents to, and
waives any claim based upon, such conflict of interest.

                  9.5. Indemnification.  Each of the Lenders agrees to indemnify
the Agent (to the  extent not  reimbursed  by Aerial and  without  limiting  the
obligations of Aerial hereunder), ratably according to their respective Pro Rata
Shares, from and against any and all liabilities,  obligations, losses, damages,
penalties,  actions,  judgments,  suits, costs, expenses or disbursements of any
kind or nature  whatsoever  which may be imposed  on,  incurred  by, or asserted
against the Agent in any way relating to or arising out of this Agreement or any
other Loan  Document or any action  taken or omitted by the Agent in  connection
therewith;  provided, however, that no Lender shall be liable for any portion of
such liabilities,  obligations,  losses, damages, penalties, actions, judgments,
suits,  costs,  expenses  or  disbursements  resulting  from the  Agent's  gross
negligence or willful  misconduct.  Without limiting the foregoing,  each Lender
agrees to reimburse the Agent  promptly upon demand for its ratable share of any
out-of-pocket  expenses  (including  counsel  fees)  incurred  by the  Agent  in
connection   with  the   preparation,   execution,   delivery,   administration,
modification,  amendment or enforcement  (whether  through  negotiations,  legal
proceedings  or  otherwise)  of,  or  legal  advice  in  respect  of  rights  or
responsibilities  under,  this  Agreement and each other Loan  Document,  to the
extent that the Agent is not reimbursed for such expenses by Aerial.

                  9.6.  Successor Agent. The Agent may resign by giving not less
than thirty (30) days' prior  written  notice  thereof to Aerial and the Lenders
and the Agent may be removed at any time with or without  cause by the  Required
lenders.  Upon any such resignation or removal,  the Required Lenders shall have
the right to appoint a successor Agent, which successor

                                       45

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE ACT OF 1934,  AS  AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

Agent,  if it is not a Lender (or an  Affiliate  of a Lender) and if no Event of
Default has  occurred  and is  continuing,  shall be  reasonably  acceptable  to
Aerial;  provided  that  Aerial  shall be  entitled  to  classify a  prospective
successor  Agent as not  acceptable  only if Aerial in its  reasonable  judgment
believes  such  appointment  could  be  disadvantageous  to  Aerial.   Upon  the
acceptance of any  appointment  as Agent  hereunder by a successor  Agent,  such
successor Agent shall succeed to and become vested with all the rights,  powers,
privileges  and duties of the resigning  Agent.  Upon the the  acceptance of any
appointment as Agent hereunder by a successor  Agent,  the resigning Agent shall
be discharged from its duties and obligations under this Agreement and the other
Loan  Documents,  except that any  indemnity  rights or other rights in favor of
such  resigning  Agent  shall  continue,  and the  successor  Agent  shall  make
arrangements  with the  Lenders  and Aerial so that the  successor  Agent  shall
receive all payments pursuant to Section 2.3 and all other applicable notices or
deliveries  under  this  Agreement.  After  any  resigning  Agent's  resignation
hereunder,  the  provisions of this Section 9.6 shall inure to its benefit as to
any  actions  taken or omitted  to be taken by it while it was Agent  under this
Agreement and the other Loan Documents.

                  9.7. Payments;  Non-Funding Lenders;  Information;  Actions in
Concert.

                  (a)  Loans;  Payments.  Whenever  Agent  receives a payment of
principal,  interest,  fee or premium (if any) or other payment, or whenever the
Agent makes an application of funds,  in connection  with the Loans or the Notes
(including, without limitation, any payment or application from any Collateral),
the Agent will on the date such  payment is received or applied,  if on or prior
to 11:00 a.m.  (Eastern  time) on such date,  or otherwise on the next  Business
Day, pay over to each Lender as instructed by such Lender in writing,  an amount
equal to such Lender's Pro Rata Share of such payment  provided that such Lender
has  funded  all  Loans  required  to  be  made  by it  and  has  purchased  all
participations required to be purchased by it under this Agreement and the other
Loan  Documents as of such date.  To the extent that any Lender (a  "Non-Funding
Lender")  has failed to fund all such  payments  and Loans or failed to fund the
purchase  of all such  participations,  Agent  shall be  entitled to set off the
funding  short-fall  against  that  Non-Funding  Lender's  Pro Rata Share of all
payments  received  from  Aerial.  All  payments  by Agent shall be made by wire
transfer to such  Lender's  account (as specified by such Lender) not later than
2:00 p.m. (Eastern time) on the applicable Business Day.

                  (b)  Return  of  Payments.  (i) If Agent  pays an  amount to a
Lender under this Agreement in the belief or expectation  that a related payment
has been or will be received by Agent from  Aerial and such  related  payment is
not  received by Agent,  then Agent will be entitled to recover such amount from
such Lender on demand without set-off, counterclaim or deduction of any kind.


                                       46

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.

                  (ii) If Agent  determines at any time that any amount received
         by Agent under this Agreement must be returned to Aerial or paid to any
         other  Person  pursuant  to  any  insolvency  law or  otherwise,  then,
         notwithstanding  any other term or condition  of this  Agreement or any
         other Loan  Document,  Agent will not be  required  to  distribute  any
         portion thereof to any Lender.  In addition,  each Lender will repay to
         Agent on demand any portion of such  amount that Agent has  distributed
         to such Lender,  together  with interest at such rate, if any, as Agent
         is required  to pay to Aerial or such other  Person,  without  set-off,
         counterclaim or deduction of any kind.

                  (c) Non-Funding Lenders. The failure of any Non-Funding Lender
to make any portion of its Loans or any payment  required by it hereunder on the
date  specified  therefor  shall not relieve any other  Lender  (each such other
Lender,  an "Other  Lender")  of its  obligations  to make any such Loan on such
date,  but  neither  any Other  Lender nor Agent  shall be  responsible  for the
failure of any  Non-Funding  Lender to make Loan.  Notwithstanding  anything set
forth herein to the contrary,  a Non-Funding Lender shall not have any voting or
consent  rights  under or with  respect to any Loan  Document  or  constitute  a
"Lender" (or be included in the  calculation of "Requisite  Lenders"  hereunder)
for any voting or consent rights under or with respect to any Loan Document.

                  (d)  Dissemination  of Information.  Agent will use reasonable
efforts  to  provide  Lenders  with any  notice of  Default  or Event of Default
received by Agent from,  or  delivered by Agent to,  Aerial,  with notice of any
Event of Default of which Agent has actually become aware and with notice of any
action taken by Agent following any Event of Default;  provided,  however,  that
Agent shall not be liable to any Lender for any failure to do so,  except to the
extent that such failure is attributable to Agent's gross  negligence or willful
misconduct.  Lenders  acknowledge  that Aerial is required to provide  financial
statements and other  documents to Lenders  pursuant to this Agreement and agree
that Agent shall have no duty to provide the same to Lenders.

                  (e) Actions in  Concert.  Anything  in this  Agreement  to the
contrary notwithstanding,  each Lender hereby agrees with each other Lender that
no Lender shall take any action to protect or enforce its rights  arising out of
this Agreement or the Notes (including exercising any rights of set-off) without
first  obtaining the prior written  consent of Agent and Requisite  Lenders,  it
being the intent of Lenders  that any such  action to protect or enforce  rights
under  this  Agreement  and the  Notes  shall  be taken  in  concert  and at the
direction or with the consent of Agent.



                                       47

<PAGE>


CONFIDENTIAL  MATERIAL  APPEARING  IN THIS  DOCUMENT HAS BEEN OMITTED AND FILED
SEPARATELY  WITH THE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH RULE
24b-2,  PROMULGATED  UNDER THE  SECURITIES  EXCHANGE  ACT OF 1934,  AS  AMENDED.
OMITTED INFORMATION HAS BEEN REPLACED WITH ASTERISKS.


                  IN  WITNESS  WHEREOF,  Aerial  and Nokia  have executed  this
Agreement as of the date first above written.

                                             AERIAL COMMUNICATIONS, INC.


                                             By: _______________________________
                                             Its: ______________________________



Tranche A Commitment:  $75,000,000           NOKIA TELECOMMUNICATIONS INC.,
Tranche B Commitment:  $75,000,000           as Lender and as Agent

                                             By: _______________________________
                                             Its: ______________________________














                  Signature Page to Aerial Communications, Inc.
                                Credit Agreement





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