AERIAL COMMUNICATIONS INC
10-Q, 1998-11-13
RADIOTELEPHONE COMMUNICATIONS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                ----------------
                                    FORM 10-Q

                QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


 X      QUARTERLY REPORT  PURSUANT TO  SECTION 13 OR 15(d) OF THE
        SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended                     September 30, 1998
                               --------------------------------------
                                                        OR
        TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
        SECURITIES EXCHANGE ACT OF 1934
For the transition period from                    to
                              --------------------   --------------------------
                         Commission File Number 0-28262

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


                           AERIAL COMMUNICATIONS, INC.


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

             (Exact name of registrant as specified in its charter)

       Delaware                                           39-1706857
- -------------------------------             ------------------------------------
(State or other jurisdiction of             (I.R.S. Employer Identification No.)
incorporation or organization)

            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

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days.

                               Yes   X    No
                                   -----     -----
Indicate the number of shares  outstanding  of each of the  issuer's  classes of
common stock, as of the latest practicable date.

         Class                                 Outstanding at October 30, 1998
- ------------------------------------           -------------------------------
Common Shares, $1 par value                           31,788,900 Shares
Series A Common Shares, $1 par value                  40,000,000 Shares

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




<PAGE>



                           AERIAL COMMUNICATIONS, INC.
                           --------------------------
                         3rd QUARTER REPORT ON FORM 10Q
                         ------------------------------
                                      INDEX
                                      -----
                                                                        Page No.
                                                                        -------
Part I.           Financial Information

                  Management's Discussion and Analysis of
                     Results of Operations and Financial Condition         2-13

                  Consolidated Statements of Operations -
                     Three Months and Nine Months Ended September 30,
                     1998 and 1997                                           14

                  Consolidated Statements of Cash Flows -
                     Nine Months Ended September 30, 1998 and 1997           15

                  Consolidated Balance Sheets -
                     September 30, 1998 and December 31, 1997                16

                  Notes to Consolidated Financial Statements              17-20


Part II.          Other Information                                          21

Signatures                                                                   22



<PAGE>



                          PART I. FINANCIAL INFORMATION
                          -----------------------------
                           AERIAL COMMUNICATIONS, INC.
                           ---------------------------
          MANAGEMENT'S DISCUSSION AND ANALYSIS OF RESULTS OF OPERATIONS
          -------------------------------------------------------------
                             AND FINANCIAL CONDITION
                             -----------------------
RESULTS OF OPERATIONS
- ---------------------
Aerial  Communications,  Inc. ("Aerial" or the "Company" - NASDAQ symbol: AERL),
an 82.4%- owned  subsidiary  of Telephone and Data Systems,  Inc.  ("TDS"),  was
formed to acquire  Personal  Communications  Services  ("PCS") licenses from the
Federal Communications  Commission ("FCC"),  construct PCS networks in its Major
Trading Areas ("MTAs") and offer wireless PCS  communications  services in these
areas.

Since its  acquisition of PCS licenses in the FCC broadband  Block A and Block B
PCS auction,  which  concluded in March of 1995, the Company devoted its efforts
to  recruiting  an  experienced  management  team,  developing  and  executing a
business plan,  raising capital and designing and  constructing a PCS network in
each  of  its  MTAs   (Minneapolis,   Tampa-St.   Petersburg-Orlando,   Houston,
Pittsburgh,  Kansas City and  Columbus).  The Columbus  MTA launched  service on
March 27, 1997. The Company's  five  remaining MTAs launched  service during the
second quarter of 1997.

With the launch of service in its MTAs  during the second  quarter of 1997,  the
Company   transitioned   from  the  development  stage  to  being  an  operating
enterprise.  As a result of this  transition,  the  Company has  experienced  an
increase in revenues and operating expenses and incurred substantial losses. The
Company had substantially less revenues and expenses in the first nine months of
1997.  In addition,  significant  efforts to  build-out  the  Company's  network
infrastructure continued throughout the second half of 1997.

In 1998, the Company's focus has been the completion of its PCS networks and the
development  of its PCS business.  Following is a table of summarized  operating
data for the Company's consolidated operations.       

<TABLE>
<CAPTION>
                                                             Nine Months Ended
                                                            or At September 30,
                                                         -----------------------
                                                           1998           1997
                                                         --------       --------
<S>                                                          <C>           <C> 
Total MTA population (in millions)                           27.6          27.6
Customers                                                 231,000        65,000
Average revenue per customer (year to date)              $     52           N/M
Average revenue per customer (quarter to date)           $     50           N/M
MTA penetration                                              0.84%         0.24%
MTAs in operation                                               6             6
Cell sites in service                                       1,152           850
Total number of employees                                   1,715         1,276
       N/M - not meaningful 

</TABLE>

                                        2

<PAGE>



Nine Months Ended 9/30/98 Compared to Nine Months Ended 9/30/97

Operating Revenues
- ------------------
Operating  revenues totaled $105.9 million in 1998, an increase of $80.1 million
as compared to 1997.  The increase in operating  revenues is  reflective  of the
Company's  launch of service  between March and June of 1997 and the  subsequent
significant efforts to build its customer base.

Service  revenue  primarily  consists  of i) charges  for  access,  airtime  and
value-added  services  provided to the  Company's  customers who use the network
operated by the Company  (local  service  revenue);  ii) charges to customers of
other  wireless  carriers  who  use  the  Company's  PCS  network  when  roaming
(outcollect  roaming revenue);  and iii) charges for long-distance calls made on
the Company's  systems  (long-distance  revenue).  Service revenue totaled $85.5
million in 1998, an increase of $72.6 million as compared to 1997.  The increase
was driven by the  growth in the number of  customers  using the  Company's  PCS
network  during 1998 as compared to 1997. As of September 30, 1998,  the Company
had approximately 231,000 customers and had been providing service in all of its
markets  throughout  all of 1998.  As of  September  30,  1997,  the Company had
approximately  65,000 customers,  after launching service in all markets between
late March and late June of 1997. The Company's average revenue per customer per
month ("ARPU") was $52 for the nine months ended September 30, 1998.

Equipment sales revenue represents the sale of handsets and related  accessories
to  retailers,  independent  agents,  and end user  customers.  Equipment  sales
totaled  $20.3 million in 1998, an increase of $7.5 million as compared to 1997.
The increase in Equipment sales revenue primarily reflects the increase in sales
volume, partially offset by a decline in handset prices.

Operating Expenses
- ------------------
Operating expenses totaled $303.3 million in 1998, an increase of $139.7 million
as compared to 1997.  The increase in operating  expenses is  reflective  of the
Company's  launch of service  between March and June of 1997 and the  subsequent
significant efforts to build and serve its customer base.

System  operations  expense  totaled $48.1 million in 1998, an increase of $32.5
million as compared to 1997. The increase in system operations expense is due to
the increasing size of the Company's  network and its fully  operational  status
during all of 1998 as compared to only part of 1997.  As of September  30, 1998,
the  Company's  PCS  network  had  1,152  cell  sites  in  service  and had been
operational  in all of the  Company's  markets  throughout  all of  1998.  As of
September 30, 1997, the network had  approximately 850 cell sites and had become
operational across all markets between late March and late June of 1997.

Significant system operations expenses include cell site rent expense and system
maintenance expense which increased $7.9 million and $3.5 million, respectively,
in 1998 as  compared  to 1997.  Salaries  and other  employee  related  expenses
increased  $6.9 million,  primarily  reflecting an increase in  engineering  and
maintenance personnel since September 30, 1997, as well as a

                                        3

<PAGE>



decrease in internal labor costs capitalized.  Other systems operations expenses
increased  $2.1 million and include  charges such as cell site utility  expense,
vehicle and other maintenance expense and roamer fraud expense.

System  operations  expense also includes customer usage expense which increased
$12.1 million in 1998 due primarily to increased  landline  interconnection  and
toll charges,  reflecting  an increasing  customer base and increased use of the
Company's network by its customers.

Marketing  and selling  expense  totaled  $52.0  million in 1998, an increase of
$23.0 million as compared to 1997.  Significant  Marketing and selling  expenses
include the salaries, benefits and other employee related expenses for sales and
marketing personnel,  which increased $8.8 million in 1998, primarily reflecting
an increase in sales and marketing  personnel  since  September 30, 1997.  Sales
commissions  increased $3.4 million in 1998,  reflecting  the Company's  growing
customer  base.  Retail  store  rental  costs  increased  $2.9  million  in 1998
primarily due to the Company's  increasing  number of store and kiosk  locations
across its markets.  Other  Marketing and selling  expense items  increased $7.9
million in aggregate,  primarily  driven by increases in  consulting,  temporary
service, advertising and other sales expenses.

Customer  service  expense  totaled  $38.5 million in 1998, an increase of $30.0
million as compared to 1997. The increase was driven by rapid  customer  growth,
and the efforts to manage that growth with  increased  personnel  (including the
establishment  of a second  call  center  in Kansas  City) and new and  evolving
information  systems.  The higher than  anticipated  level of  customer  service
expense reflects  primarily the effects of higher than planned bad debt costs as
well as  additional  consulting  and  temporary  service  expenses  directed  at
reducing both bad debt and customer churn.

Cost of  equipment  sold  totaled  $59.6  million in 1998,  an increase of $18.8
million as compared  to 1997.  The  increase  primarily  reflects  the growth in
handset unit sales to support the rise in customer activations.

General and administrative expense totaled $43.9 million in 1998, an increase of
$1.4 million as compared to 1997.  General and  administrative  expenses include
the costs of operating the Company's  local  business  offices and its corporate
expenses other than the corporate  engineering  and marketing  departments.  The
Company experienced increases in these expense areas in 1998 as compared to 1997
as the Company  added more  employees to support its growing PCS  business.  The
level of General and administrative expenses in 1997 was partially driven by the
Company  being a development  stage  enterprise in the first quarter of 1997 and
thereby  classifying  all  expenses  as either  General  and  administrative  or
Development.   In  1998,  expenses  are  classified  to  reflect  the  Company's
operational status.

Depreciation  expense was $55.4 million in 1998, an increase of $36.7 million as
compared to 1997. The increase is due to rising fixed asset balances as a result
of the Company's  network  build-out and the amount of time that network  assets
have been in service in 1998 as compared to 1997. As of September 30, 1998,  the
Company  had $668.3  million of  property  and  equipment  in service  which had
largely been operational throughout all of 1998. As of September 30, 1997,

                                        4

<PAGE>



the Company had $530.0  million of property and  equipment  in service,  the PCS
network  portion of which had only been in operation since the second quarter of
1997.

Amortization  expense was $5.7  million in 1998,  an increase of $3.1 million as
compared to 1997. Upon the commencement of service in a particular  market,  the
Company began  amortizing  that market's  related PCS license.  Aerial  launched
service  across all its markets  between late March and late June of 1997.  As a
result,  year to date  consolidated  amortization  expense in 1997 reflects less
than a full nine month's  expense.  In 1998,  all markets were  operational  the
entire nine months resulting in greater amortization expense.

Development  costs  totaled  $5.8  million  in  1997  and  primarily   represent
pre-launch  marketing,  consulting  and legal  costs.  Effective  in the  second
quarter  of 1997,  the  Company  was no longer a  development  stage  entity and
prospectively began classifying expenses to reflect its operational status.

Operating (Loss)
- ----------------
Operating  (Loss) totaled $(197.4) million in 1998, an increase of $59.6 million
as compared to 1997.  Although service revenues are expected to continue to grow
during the  remainder  of 1998 as the  Company  builds its  customer  base,  the
Company  expects to continue to have operating  losses and to generate  negative
cash flow in 1998 and for the next few years as it incurs costs  associated with
that growth.

Investment and Other Income
- ---------------------------
Investment  and Other Income  totaled $4.6 million in 1998,  an increase of $4.4
million as compared to 1997.  The increase is primarily due to the allocation of
$3.8 million of the consolidated net loss of Aerial Operating Co., Inc. ("AOC"),
to the  Company's  minority  investor  (See  Note 7 -  Minority  Investor).  The
Company's MTAs are wholly-owned subsidiaries of AOC.

Interest and Income Taxes
- -------------------------
Interest  expense-affiliate  totaled $47.0 million in 1998, an increase of $36.3
million as compared to 1997. Interest  expense-affiliate  represents interest on
amounts  borrowed  under  the  Revolving  Credit  Agreement  with TDS and the 3%
guarantee fees  associated  with the Series A and Series B Zero Coupon Notes and
the 1996 and 1998  Nokia  Credit  Agreements,  less  capitalized  interest.  The
average balance of borrowings  under the Revolving  Credit Agreement was greater
in  1998  as  compared  to  1997,   resulting  in  greater   interest   expense.
Additionally,  the Company  capitalized  $2.7 million  less  interest in 1998 as
compared to 1997.

Interest  expense-other  totaled  $13.2  million in 1998,  an  increase of $10.1
million as compared to 1997. Interest  expense-other relates to interest expense
accreted  on the Series A Zero  Coupon  Notes  issued in  November  1996 and the
Series B Zero Coupon Notes issued in February 1998, as well as interest  expense
associated  with the 1996 and 1998 Nokia  Credit  Agreements,  less  capitalized
interest. The increase is primarily due to the average balance of Long-term debt
outstanding  during  1998 being  greater  than the average  balance  outstanding
during 1997. Additionally, the Company capitalized $3.0 million less interest in
1998 as compared to 1997.

                                        5

<PAGE>



Income taxes. The Company is included in a consolidated  federal tax return with
other members of the TDS consolidated  group. For financial  reporting purposes,
the Company  computes  its federal  income taxes as if it were filing a separate
return as its own  affiliated  group and was not included in the TDS group.  TDS
and the  Company  are  parties to a Tax  Allocation  Agreement  under  which the
Company may carry  forward any losses and credits and use them to offset  income
tax liabilities to TDS if any arise in the future.

Net (Loss) and (Loss) Per Common and Series A Common Share
- ----------------------------------------------------------
Net (Loss) totaled  $(255.5)  million in 1998 and $(154.4)  million in 1997. Net
(Loss) per Common and Series A Common  Share was  $(3.56) in 1998 and $(2.16) in
1997.  The  increase in the  Company's  Net (Loss) and Net (Loss) per Common and
Series A Common Share in 1998 reflects the Company's  fully  operational  status
during  all of  1998 as  compared  to  1997  when  the  Company  was  not  fully
operational until the end of the second quarter.

Three Months Ended 9/30/98 Compared to Three Months Ended 9/30/97

Operating Revenues
- ------------------
Operating  revenues  totaled $38.4 million in 1998, an increase of $19.8 million
as compared to 1997.  Service  revenues  totaled $32.6 million  representing  an
increase of $20.9  million.  The  increase in  operating  revenues  reflects the
growth of the Company's customer base from approximately 65,000 at September 30,
1997, to approximately 231,000 at September 30, 1998. The Company's ARPU was $50
for the three months ended September 30, 1998.

Equipment  sales  totaled  $5.8  million in 1998,  a decrease of $1.1 million as
compared  to the third  quarter of 1997.  The  decrease  in  equipment  sales is
primarily due to decreases in handset sale prices.

Operating Expenses
- ------------------
Operating  expenses  were $99.0 million in 1998, an increase of $15.9 million as
compared to 1997.  With the exception of Cost of equipment sold, the increase is
for reasons generally the same as the first nine months of 1998.

Cost of equipment  sold was $16.2 million in 1998, a decrease of $9.6 million as
compared to the third quarter of 1997.  The decrease is due primarily to handset
price declines.

Net (Loss) and (Loss) Per Common and Series A Common Share
- ----------------------------------------------------------
Net (Loss)  totaled  $(79.1)  million in 1998 and $(76.6)  million in 1997.  Net
(Loss) per Common and Series A Common  Share was  $(1.10) in 1998 and $(1.07) in
1997.  The increase in the  Company's Net (Loss) and Net (Loss) per share in the
third  quarter of 1998 as  compared  to 1997  reflects  the costs of growing the
Company's PCS business.




                                        6

<PAGE>



LIQUIDITY AND CAPITAL RESOURCES
- -------------------------------
The costs of development,  construction,  start-up and post-launch activities of
the Company require  substantial  capital.  From inception through September 30,
1998,  the Company had  expended  $304.4  million  for its  licenses,  including
capitalized  interest,  $720.4  million for all other capital  expenditures  and
incurred  cumulative  net  losses of $548.5  million.  The  Company  expects  to
continue  to incur  operating  losses  and  generate  negative  cash  flow  from
operating  activities  during  the next few years as it  continues  to build its
customer base.

Cash flows used by  operating  activities  were  $173.3  million  during 1998 as
compared to $165.7  million in 1997.  Operating  cash  outflow  (operating  loss
before depreciation and amortization  expense) totaled $136.3 million in 1998 as
compared  to  $116.4  million  in  1997.  Cash  flows  used by  other  operating
activities  (investment and other income,  interest expense,  changes in working
capital and changes in other assets and  liabilities)  required cash investments
of $37.0 million in 1998 as compared to $49.3 million in 1997.

Cash flows from financing  activities totaled $236.6 million in 1998 as compared
to $331.8  million in 1997.  Cash  provided in 1998 was  primarily due to $235.8
million in borrowings  under the Revolving  Credit  Agreement.  The Company also
received  $200  million  from the sale of a 19.4%  equity  interest in AOC.  The
proceeds from the sale were remitted to TDS to pay down part of the  outstanding
balance under the Revolving  Credit  Agreement.  In 1997,  borrowings  under the
Revolving Credit Agreement provided $330.4 million.

Cash  flows  used in  investing  activities  totaled  $63.9  million  in 1998 as
compared to $201.1 million in 1997. Cash used in 1998 and 1997 was due primarily
to additions to property and  equipment for PCS network and  information  system
assets.  Fixed asset  additions  have been  financed  through a  combination  of
borrowings  under the  Revolving  Credit  Agreement  with TDS,  the Series A and
Series B Zero Coupon Notes and the 1998 Nokia Credit Agreement.

The Company anticipates that the continuing development of its PCS services will
require substantial capital over the next few years. For all of 1998 the Company
estimates  that the funds  required  for  construction  expenditures  will total
approximately $80 to $100 million.  The Company estimates requiring $275 million
for working capital  requirements to fund operations for all of 1998,  including
an estimated $62 million in interest  expense  related to the  Revolving  Credit
Agreement and 3% guarantee fees payable to TDS.

Nokia Telecommunications Inc. ("Nokia") agreed to provide the Company with up to
$200 million in financing for digital radio channel and switching infrastructure
equipment through a Credit Agreement with the Company dated June 19, 1996 ("1996
Credit  Agreement").  In  accordance  with the  provisions  of the  1996  Credit
Agreement,  the Company  issued,  in  tranches,  10-year  unsecured  zero coupon
promissory  notes,  the proceeds of which were paid to Nokia in  satisfaction of
borrowings by the Company under the 1996 Credit Agreement.  On November 4, 1996,
the Company issued $226.2 million in aggregate  principal  amount at maturity of
Series A Zero Coupon Notes  ("Series A Notes") due in 2006. On February 5, 1998,
the Company issued $222.0 million in aggregate  principal  amount at maturity of
Series B Zero  Coupon  Notes  ("Series B Notes") due in 2008  (representing  the
final  issuance of zero  coupon  notes  under the 1996  Credit  Agreement).  The
aggregate issue price of the Series A and Series B Zero Coupon Notes

                                        7

<PAGE>



was $200  million.  The  proceeds  were  paid to Nokia  in  satisfaction  of all
obligations of the Company under the 1996 Credit Agreement.

On June 30, 1998, the Company and Nokia entered into an agreement  ("1998 Credit
Agreement")  in which  Nokia will  provide up to an  aggregate  $150  million in
financing  to the Company for the purchase of network  infrastructure  equipment
and services  from Nokia.  Loans under the 1998 Credit  Agreement are to be made
available  in two $75 million  tranches.  With respect to Tranche A, the Company
may borrow up to $75 million until June 30, 1999. Tranche A loans mature on June
30, 1999, however,  the maturity date of Tranche A loans may be extended to June
30, 2000,  upon written notice and payment of an extension fee by the Company to
Nokia. A second $75 million ("Tranche B") becomes  available  commencing on June
30, 1999, and ending on June 30, 2000, the maturity date of Tranche B loans. The
obligations  of the  Company  under  the 1998  Credit  Agreement  are  fully and
unconditionally  guaranteed  by TDS at an  annual  fee rate of 3% (See  Note 6 -
Vendor Financing for further discussion).  As of September 30, 1998, the Company
had $40.0 million  available  for  borrowing  under the Tranche A portion of the
1998 Credit Agreement with Nokia.

On September 8, 1998,  pursuant to the terms of a Purchase  Agreement dated June
1, 1998, Sonera  Corporation  ("Sonera"),  formerly Telecom Finland Ltd., made a
$200 million investment in Aerial Operating Co., Inc. ("AOC").  Sonera purchased
approximately  2.4 million  shares of common stock of AOC  representing  a 19.4%
equity interest in AOC. (See Note 7- Minority Investor for further discussion).

Under  the terms of the  Purchase  Agreement,  the  Revolving  Credit  Agreement
between the Company and TDS dated August 1, 1995, as amended,  pursuant to which
the Company owed TDS $665.0 million as of August 31, 1998, was terminated. A new
Revolving Credit Agreement between AOC and TDS was substituted,  under which AOC
was indebted to TDS for $665.0 million as of August 31, 1998.

The new  Revolving  Credit  Agreement  has the same terms and  conditions as the
previous Revolving Credit Agreement, as amended, and provides that the amount of
any proceeds  raised by the Company or AOC in connection with the sale of equity
(See Note 7 - Minority  Investor) or debt will be used to reduce the  borrowings
under the Revolving  Credit Agreement as well as reduce the total amount AOC may
borrow under the Revolving Credit Agreement.  Additionally, any borrowings under
the Nokia 1998 Credit  Agreement  (See Note 6 - Vendor  Financing)  concurrently
reduces by the same amount the authorized  total line of credit available to AOC
under the Revolving Credit  Agreement.  Pursuant to these terms, AOC paid to TDS
the $200 million it had received from Sonera to reduce the  outstanding  balance
under the Revolving Credit Agreement.








                                        8

<PAGE>



The following  table  summarizes  AOC's  borrowing  capacity under the Revolving
Credit Agreement as of September 30, 1998:

<TABLE>
<CAPTION>

(Dollars in thousands)
<S>                                                                  <C>     
Maximum amount available as of September 30, 1998                    $  725,000
Reduced by:   Proceeds from Sonera                                     (200,000)
              Vendor financing under the 1998 Nokia Credit Agreement    (35,000)
              Amount outstanding under the Revolving Credit Agreement
                 as of September 30, 1998                              (484,000)
                                                                      ---------

Net amount available for borrowing as of
          September 30, 1998                                         $    6,000
                                                                      =========
</TABLE>

At  September  30,  1998,  the Company had orders  totaling  approximately  $5.0
million with Nokia Telecommunications Inc. for network infrastructure equipment.

At October 31, 1998, the maximum  amount  available  under the Revolving  Credit
Agreement was $750 million (prior to reductions for the proceeds from Sonera and
vendor financing under the Nokia 1998 Credit Agreement).

On November 3, 1998, TDS approved an amendment to the Revolving Credit Agreement
dated August 31, 1998,  between TDS and AOC. This amendment will be executed and
delivered  after  approvals  by the boards of  directors of the Company and AOC,
which are  expected to be received in due  course.  Under the  Revolving  Credit
Agreement, as so amended, AOC will be permitted to borrow up to a maximum amount
(the "Maximum Amount"), less the amount of any debt or equity financing obtained
by AOC or the Company,  including the amount of any  borrowings  under the Nokia
1998 Credit  Agreement.  The Maximum Amount under the amended  Revolving  Credit
Agreement  will increase from $550 million ($750 million less  the $200  million
in proceeds  from Sonera) to $650 million in  February  1999.  The interest rate
under the amended  Revolving  Credit  Agreement will be equal to the Prime  Rate
announced  from  time to  time by the  LaSalle National Bank of Chicago plus 3%.
Interest on the balance due under the  amended Revolving  Credit  Agreement will
be payable  quarterly and no principal  will  be  payable  until  April 2, 2000.
As of  November 3, 1998,  the Company had $500 million in borrowings outstanding
under the  Revolving Credit  Agreement and  $39 million in  borrowing  under the
Nokia 1998 Credit Agreement. The Company believes  that the  Maximum Amount that
will  be  available  under  the  amended  Revolving  Credit  Agreement  will  be
sufficient to fund its capital expenditures and cover  operating  losses through
February 1999. TDS has no commitment to provide financing  to the Company or AOC
except pursuant to the Revolving Credit Agreement.

In the absence of additional  financing or  refinancing by TDS, the Company will
be  required  to  seek  additional  outside  financing  to  fund  its  operating
activities  and to repay  the  amounts  due to TDS under  the  Revolving  Credit
Agreement  when it becomes due and payable.  Sources of  additional  capital may
include  additional  vendor  financing  and public and  private  equity and debt
financings by the Company or its  subsidiaries.  If sufficient future funding is
not available on terms and prices  acceptable to the Company,  the Company would
have to reduce its  operating  activities,  which could have a material  adverse
impact on the Company's financial condition and results of operations.

                                        9
<PAGE>



YEAR 2000 ISSUE
- ---------------
The Year 2000 Issue  exists  because  many  computer  systems  and  applications
abbreviate  dates using only two digits,  rather than four  digits,  e.g.,  "98"
rather than "1998". Unless corrected,  this shortcut may cause problems when the
century date "2000"  occurs.  On that date,  some  computer  operating  systems,
applications and embedded  technology may recognize the date as January 1, 1900,
instead of January 1, 2000.  If the Company  fails to correct any critical  Year
2000  processing  problems  prior to January 1, 2000,  the affected  systems may
either cease to function or produce  erroneous  data,  which could have material
adverse operational and financial consequences.  Currently, the Company believes
that a disruption in the operation of its networks, and financial and accounting
systems   and/or  an   inability   to   access   interconnections   with   other
telecommunications  carriers,  are the major risks associated with the inability
of systems  and  software to process  Year 2000 data  correctly.  The  Company's
results of operations, financial position and cash flows could be materially and
adversely affected by such failures.

The  Company's  management  has  established a project team to address Year 2000
issues.  The  Company's  plan to address  the Year 2000 Issue  consists  of five
general  phases:  (i)  Awareness,  (ii)  Assessment,   (iii)  Renovation,   (iv)
Validation and (v) Implementation.

The  awareness  phase  consisted  of  establishing  a Year 2000 Project team and
developing an overall strategy.  A Year 2000 Program Office has been established
at the TDS  corporate  level to  coordinate  activities of the Year 2000 Project
team,  to  monitor  the  current  status  of  individual  projects,   to  report
periodically to the Audit Committee,  and to promote the exchange of information
between all business units to share knowledge and solution techniques.  The Year
2000 effort covers the network and supporting  infrastructure  for the provision
of PCS services;  the operational and financial  information  technology  ("IT")
systems and  applications,  such as computer  systems  that support key business
functions such as billing,  finance,  customer service,  procurement and supply;
and a review of the Year 2000 compliance efforts of the Company's key suppliers.

The  assessment  phase  includes the  identification  of core business areas and
processes,  analysis of systems and hardware  supporting the core business areas
and the prioritization of renovation or replacement of systems and hardware that
are not Year 2000 compliant.  Included in the assessment phase is an analysis of
risk  management  factors  such as  contingency  plans  and legal  matters.  The
assessment phase is scheduled to be completed by the first quarter of 1999.

The  renovation  phase  consists of the  conversion or  replacement  of selected
platforms,  applications,  databases and  utilities.  The renovation of critical
hardware, systems and applications is scheduled to be substantially completed by
the third quarter of 1999.

The validation phase includes testing, verifying and validating the renovated or
replaced  platforms,  applications,  databases  and  utilities.  A  goal  of the
validation phase is to conduct independent verification testing of key hardware,
systems  and  applications  as well as  network  and system  component  upgrades
received from suppliers. In addition,  selected Year 2000 upgrades are slated to
undergo testing in a controlled environment that replicates the current

                                       10

<PAGE>



environment  and is equipped  to simulate  the turn of the century and leap year
dates. Validation is scheduled to be completed in the third quarter of 1999.

The implementation  phase involves switching over to the converted and renovated
systems and  applications.  This phase is expected to be completed by the end of
1999.

The Company's  current  schedule is subject to change  depending on developments
that may arise through unforeseen circumstances, and through finalization of the
assessment  phase and the  renovation  and  validation  phases of the  Company's
compliance efforts. The Company, like most other  telecommunications  operators,
is  highly  dependent  on the  telecommunications  network  vendors  to  provide
compliant  hardware,  systems  and  applications  and on  other  third  parties,
including  vendors,  other  telecommunications  service  providers,   government
agencies and financial  institutions,  to deliver reliable services. The Company
is dependent on the development of compliant hardware,  systems and applications
and upgrades by experts,  both internal and external,  and the  availability  of
critical  resources with the requisite skill sets. The Company's ability to meet
its target dates is dependent  upon the timely  provision of necessary  upgrades
and  modifications  by its suppliers and internal  resources.  In addition,  the
Company  cannot  guarantee  that third  parties on whom it depends for essential
services (such as electric utilities,  other  interconnected  telecommunications
operators,  etc.) will convert their critical  systems and processes in a timely
manner. Failure or delay by any of these parties could significantly disrupt the
Company's  business,  including  the  provision  of PCS  services,  billing  and
collection processes and other areas of the business.

The Company has begun implementing  additional  initiatives to assess the degree
to which third parties with whom it has business  relationships  are  addressing
Year 2000 Issues. These initiatives include analysis of the Year 2000 compliance
programs of the Company's  critical vendors.  In the near future, the initiative
will be extended to other  telecommunications  service  providers with which the
Company  interconnects.  The Company's contingency plans will address mechanisms
for preventing or mitigating interruption caused by such third parties.

The Company is  currently in the  assessment  phase,  analyzing  all systems and
hardware to determine  which  systems and hardware are not Year 2000  compliant.
The Company has not yet completed the cost estimate of this project. The Company
expects to complete this phase,  and develop total cost estimates in early 1999.
Through the third quarter of 1998, the total  incremental  costs associated with
the Year 2000 Issue were less than $1 million.  The timing of  expenditures  may
vary and is not necessarily indicative of readiness efforts or progress to date.
Though Year 2000 Project costs will directly impact the reported level of future
net income,  the Company intends to manage its total cost  structure,  including
deferral of non-critical  projects,  in an effort to mitigate the impact of Year
2000 Project costs.

Based on the Company's  current  schedule for completion of Year 2000 tasks, the
Company  believes that its planning is adequate to secure Year 2000 readiness of
its critical systems. Nevertheless, management cannot provide assurance that its
plan to achieve  Year 2000  compliance  will be  successful  as it is subject to
various risks and uncertainties, many of which are described above. Accordingly,
the Company's goal is to develop  business  continuity and contingency  plans in
1999 to address high risk areas as they are identified. These plans are expected
to assess the potential for business  disruption  in various  scenarios,  and to
provide for

                                       11

<PAGE>



key operational back-up, recovery and restoration alternatives.  However, if the
Company, or third parties with whom it has significant  business  relationships,
fails to achieve Year 2000  readiness  with respect to critical  systems,  there
could be a material  adverse  affect on the  Company's  results  of  operations,
financial position and cash flows.

The above  information,  which contains  statements  that are  "forward-looking"
within the meaning of the Private  Securities  Litigation Reform Act of 1995, is
based on the Company's current best estimates, which were derived using numerous
assumptions of future  events,  including the  availability  and future costs of
certain technological and other resources,  third party modification actions and
other  factors.  Given the  complexity  of these issues and the  possibility  of
unidentified  risks,  actual results may vary materially from those  anticipated
and discussed above. Specific factors that might cause such differences include,
among others,  the availability and cost of personnel  trained in this area, the
ability to locate and correct all affected computer code, the timing and success
of remedial efforts of third party suppliers and similar uncertainties.

TRACKING STOCK PROPOSAL
- -----------------------
As disclosed in the  Company's  1997 Annual Report on Form 10-K, on December 17,
1997, the Company  received a proposal from TDS to acquire all of the issued and
outstanding  Common  Shares of Aerial not  already  owned by TDS,  pursuant to a
merger (the "Aerial Merger"), in exchange for shares of TDS tracking stock which
are intended to reflect the performance of the Company.

In January 1998, the Company's Board of Directors created a special committee of
the Board (the "Special Committee") to review the proposal from TDS. The Special
Committee,  consisting  of  two  independent  directors  of  Aerial,  engaged  a
financial  advisor and legal  advisor to assist in reviewing  the  proposal.  On
April 15, 1998, the Company  announced that the Special Committee had decided to
recommend that Aerial's Board of Directors reject the initial proposal from TDS.
The  Special  Committee  advised  TDS that it would be  prepared  to  consider a
revised  proposal.  TDS has attempted to seek an agreement to acquire the Aerial
Common Shares that it does not own on mutually  acceptable terms. TDS has stated
that it is actively engaged in ascertaining  whether the Tracking Stock Proposal
or another alternative is the best vehicle to unlock and build shareholder value
and that it is working  toward a resolution.  There can be no assurance  that an
agreement will be reached with respect to the Aerial Merger.

PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995 SAFE HARBOR CAUTIONARY
- -----------------------------------------------------------------------
STATEMENT
- ---------
This Form 10-Q contains "forward-looking"  statements, as defined in the Private
Securities   Litigation   Reform  Act  of  1995,   that  are  based  on  current
expectations,  estimates and  projections.  Statements  that are not  historical
facts,  including  statements  about the Company's  beliefs and expectations are
forward-looking  statements.   These  statements  contain  potential  risks  and
uncertainties and, therefore,  actual results may differ materially. The Company
undertakes  no  obligation  to update  publicly any  forward-looking  statements
whether as a result of new information, future events or otherwise.


                                       12

<PAGE>



Important factors that may affect these projections or expectations include, but
are not limited to:  changes in the overall  economy;  changes in competition in
the Company's markets; advances in telecommunications technology; changes in the
telecommunications  regulatory  environment;   pending  and  future  litigation;
availability  of  future  financing;  unanticipated  changes  in  growth  in PCS
customers,  penetration  rates, churn rates and the mix of products and services
offered in the Company's markets; and unanticipated problems related to the Year
2000 Issue.  Readers should  evaluate any statements in light of these important
factors.

                                       13

<PAGE>


<TABLE>

                  AERIAL COMMUNICATIONS, INC. AND SUBSIDIARIES
                      CONSOLIDATED STATEMENTS OF OPERATIONS
                                    Unaudited
                                    ---------
<CAPTION>

                                                         Three Months Ended       Nine Months Ended
                                                             September 30,          September 30,
                                                        -----------------------  ---------------------
                                                          1998         1997        1998          1997
                                                          ----         ----        ----          ----
                                                       (Dollars in thousands, except per share amounts)
<S>                                                   <C>          <C>          <C>          <C>   
OPERATING REVENUES
    Service                                           $  32,600    $  11,740    $  85,535    $  12,922
    Equipment sales                                       5,838        6,908       20,337       12,869
                                                      ---------    ---------    ---------    ---------
        Total Operating Revenues                         38,438       18,648      105,872       25,791

OPERATING EXPENSES
    System operations                                    15,498       10,776       48,107       15,652
    Marketing and selling                                16,603       13,013       52,009       28,971
    Customer service                                     14,890        6,180       38,541        8,544
    Cost of equipment sold                               16,223       25,798       59,616       40,770
    General and administrative                           15,689       13,444       43,899       42,525
    Depreciation                                         18,253       12,121       55,416       18,759
    Amortization of intangibles                           1,889        1,853        5,666        2,581
    Development costs                                      --           --           --          5,773
                                                      ---------    ---------    ---------    ---------
        Total Operating Expenses                         99,045       83,185      303,254      163,575
                                                      ---------    ---------    ---------    ---------

OPERATING (LOSS)                                        (60,607)     (64,537)    (197,382)    (137,784)

INVESTMENT AND OTHER INCOME (EXPENSE)
    Minority share of loss                                3,766         --          3,766         --
    Investment (losses)                                    (128)      (1,113)        (128)      (2,165)
    Interest income-affiliate                              --           --           --             95
    Interest income-other                                   115          151          778        2,034
    Other income                                            481          121          144          170
                                                      ---------    ---------    ---------    ---------
        Total Investment and Other Income (Expense)       4,234         (841)       4,560          134
                                                      ---------    ---------    ---------    ---------

(LOSS) BEFORE INTEREST AND INCOME  TAXES                (56,373)     (65,378)    (192,822)    (137,650)

INTEREST EXPENSE
    Interest expense-affiliate                           17,115        7,711       46,957       10,631
    Interest expense-other                                4,828        2,006       13,186        3,104
                                                      ---------    ---------    ---------    ---------
        Total Interest Expense                           21,943        9,717       60,143       13,735
                                                      ---------    ---------    ---------    ---------

(LOSS) BEFORE INCOME TAXES                              (78,316)     (75,095)    (252,965)    (151,385)
    Income tax expense                                      821        1,503        2,567        3,028
                                                      ---------    ---------    ---------    ---------
NET (LOSS)                                            ($ 79,137)   ($ 76,598)   ($255,532)   ($154,413)
                                                      =========    =========    =========    =========

WEIGHTED AVERAGE COMMON AND
    SERIES A COMMON SHARES (000s)                        71,735       71,559       71,701       71,481
(LOSS) PER COMMON AND
    SERIES A COMMON SHARE                             ($   1.10)   ($   1.07)   ($   3.56)   ($   2.16)
                                                      =========    =========    =========    =========

<FN>

The accompanying notes to consolidated financial statements are an integral part
                              of these statements.
</FN>
</TABLE>

                                       14

<PAGE>

<TABLE>


                  AERIAL COMMUNICATIONS, INC. AND SUBSIDIARIES
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                                    Unaudited
                                    ---------
<CAPTION>

                                                                          Nine Months ended
                                                                             September 30,
                                                                        ----------------------
                                                                           1998        1997
                                                                           ----        ----
                                                                        (Dollars in Thousands)
<S>                                                                     <C>          <C>  
CASH FLOWS FROM OPERATING ACTIVITIES
    Net (Loss)                                                          ($255,532)   ($154,413)
    Add (Deduct) adjustments to reconcile net (loss)
        to net cash (used) by operating activities
    Depreciation and amortization                                          61,082       21,340
    Noncash interest expense - Series A & B Notes                          11,818        6,171
    Deferred taxes                                                          2,567        3,027
    Investment losses                                                         128        2,165
    Minority share of loss                                                 (3,766)        --
    Loss on sale of property and equipment                                    559         --
    Change in accounts receivable-customer                                 (2,477)     (12,956)
    Change in inventory                                                     9,875      (32,719)
    Change in accounts payable-affiliates                                    (126)          45
    Change in accounts payable-trade                                       (3,105)        (192)
    Change in accrued interest-affiliate                                    2,431        3,475
    Change in other assets and liabilities                                  3,233       (1,595)
                                                                        ---------     --------
                                                                         (173,313)    (165,652)
                                                                        ---------     --------
CASH FLOWS FROM FINANCING ACTIVITIES
    Borrowings under the Revolving Credit Agreement-TDS                   235,766      330,426
    Repayments of borrowings under the Revolving Credit Agreement-TDS    (200,000)        --
    Proceeds from minority investment                                     200,000         --
    Issuance of common stock                                                  812        1,333
                                                                        ---------     --------
                                                                          236,578      331,759
                                                                        ---------     --------
CASH FLOWS FROM INVESTING ACTIVITIES
    Additions to property and equipment                                   (64,541)    (203,374)
    Proceeds from sale of property and equipment                              505         --
    Change in note receivable-other                                          --          1,925
    Change in temporary cash and other investments                            178          319
                                                                        ---------     --------
                                                                          (63,858)    (201,130)
                                                                        ---------     --------
NET (DECREASE) IN CASH AND CASH
    EQUIVALENTS                                                              (593)     (35,023)
CASH AND CASH EQUIVALENTS-
    Beginning of period                                                     5,012       35,284
                                                                        ---------     --------
    End of period                                                       $   4,419    $     261
                                                                        =========    =========


<FN>


The accompanying notes to consolidated financial statements are an integral part
                              of these statements.
</FN>
</TABLE>



                                       15

<PAGE>

<TABLE>


                  AERIAL COMMUNICATIONS, INC. AND SUBSIDIARIES
                           CONSOLIDATED BALANCE SHEETS
<CAPTION>
                                                                    (Unaudited)
                                                                   September 30,  December 31,
                                                                        1998          1997
                                                                   ------------- ------------
                                                                      (Dollars in Thousands)
<S>                                                                    <C>          <C>    
ASSETS 
- ------
CURRENT ASSETS
    Cash and cash equivalents                                          $   4,419    $   5,012
    Temporary cash investments                                               247          197
    Accounts receivable
        Customer, less allowance of $7,782 and $7,252, respectively       26,507       24,030
        Roaming                                                            1,486         --
        Other                                                                347          207
    Inventory                                                             16,074       25,949
    Prepaid rent                                                           2,682        1,630
    Other                                                                  1,142          984
                                                                      ----------    ---------
                                                                          52,904       58,009
                                                                      ----------    ---------
PROPERTY and EQUIPMENT
    In service and under construction                                    718,983      642,122
    Less accumulated depreciation                                        (93,217)     (38,018)
                                                                      ----------    ---------
                                                                         625,766      604,104
                                                                      ----------    ---------
INVESTMENTS
    Investment in PCS licenses-net of
        accumulated amortization of $10,155 and $4,489, respectively     291,377      297,043
    Other                                                                    944        1,298
                                                                      ----------    ---------
                                                                         292,321      298,341
                                                                      ----------    ---------
DEFERRED COSTS                                                               504          194
                                                                      ----------    ---------
TOTAL ASSETS                                                           $ 971,495    $ 960,648
                                                                      ==========    =========

LIABILITIES AND SHAREHOLDERS' EQUITY
- ------------------------------------
CURRENT LIABILITIES
    Accounts payable
        Affiliates                                                     $     647    $     773
        Trade                                                             45,871       92,020
    Accrued interest-affiliate                                             6,096        3,665
    Accrued compensation                                                   3,355        3,414
    Accrued taxes                                                          5,107        1,957
    Microwave relocation costs payable                                    10,191        7,354
    Other                                                                  3,752          586
                                                                      ----------    ---------
                                                                          75,019      109,769
                                                                      ----------    ---------
REVOLVING CREDIT AGREEMENT-TDS                                           484,000      448,234
                                                                      ----------    ---------
LONG TERM DEBT                                                           263,189      196,439
                                                                      ----------    ---------
DEFERRED TAX LIABILITY-NET                                                16,346       13,779
                                                                      ----------    ---------
MINORITY INTEREST                                                         25,821         --
                                                                      ----------    ---------
COMMON SHAREHOLDERS' EQUITY
    Common Shares, par value $1.00 per share                              31,735       31,611
    Series A Common Shares, par value $1.00 per share                     40,000       40,000
    Additional paid-in capital                                           583,847      413,746
    Retained deficit                                                    (548,462)    (292,930)
                                                                      ----------    ---------
                                                                         107,120      192,427
                                                                      ----------    ---------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY                             $ 971,495    $ 960,648
                                                                      ==========    =========

<FN>

       The accompanying notes to consolidated financial statements are an
                       integral part of these statements.
</FN>
</TABLE>


                                       16

<PAGE>



                  AERIAL COMMUNICATIONS, INC. AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.   The consolidated financial statements included herein have been prepared by
     the Company,  without audit,  pursuant to the rules and  regulations of the
     Securities  and  Exchange  Commission.  Certain  information  and  footnote
     disclosures  normally  included  in the  financial  statements  prepared in
     accordance  with  generally  accepted   accounting   principles  have  been
     condensed or omitted pursuant to such rules and  regulations,  although the
     Company  believes that the disclosures are adequate to make the information
     presented not misleading. It is suggested that these consolidated financial
     statements  be  read  in  conjunction  with  the   consolidated   financial
     statements and the notes thereto included in the Company's Annual Report on
     Form 10-K.

     The accompanying  unaudited  consolidated  financial statements contain all
     adjustments  (consisting  of only  normal  recurring  items)  necessary  to
     present  fairly the  financial  position  as of  September  30,  1998,  and
     December 31, 1997,  the results of operations for the nine and three months
     ended  September 30, 1998 and 1997,  and the cash flows for the nine months
     ended  September 30, 1998 and 1997.  The results of operations for the nine
     and three months ended  September  30, 1998 and 1997,  are not  necessarily
     indicative of the results to be expected for the full year.

     Certain amounts reported in prior periods have been reclassified to conform
     to the current period presentation.

2.   Net (Loss)  per  Common  and  Series A Common  Share for the nine and three
     months  ended  September  30,  1998 and  1997,  was  computed  based on the
     weighted  average  number of Common and Series A Common Shares  outstanding
     during the period.

3.   In 1998 the Company adopted Statement of Financial Accounting Standards No.
     130, "Reporting  Comprehensive  Income." Comprehensive Income (Loss) equals
     Net (Loss) for the nine and three months ended September 30, 1998 and 1997.

4.   Supplemental  Cash Flow  Information.  In 1998  additions  to Property  and
     equipment of $57.8 million were financed through a $2.9 million increase in
     Microwave  relocation  costs  payable  and  a  $54.9  million  increase  in
     Long-term debt.

     During the nine months  ended  September  30,  1998,  the Company  incurred
     interest  charges  totaling  $60.2  million.   The  interest  charges  were
     comprised of $42.2 million related to the Revolving  Credit  Agreement with
     TDS, $4.8 million for TDS guarantee  fees on the Series A and Series B Zero
     Coupon  Notes  and  obligations  under  the  Nokia  1996  and  1998  Credit
     Agreements, $0.4 million paid to Nokia for interest charges relating to the
     1996 Credit  Agreement,  $12.3 million in accreted interest on the Series A
     and Series B Zero Coupon Notes and $0.5 million in other interest  charges.
     Of these amounts, the Company capitalized $0.1 million relating to its work
     in  process  expenditures.  The  remaining  $60.1  million  was  charged to
     expense.

     During the nine months ended September 30, 1997,  Company incurred interest
     charges of $19.6  million.  The interest  charges  were  comprised of $11.0
     million  relating to the Revolving  Credit Agreement with TDS, $2.4 million
     for TDS  guarantee  fees on the Series A Zero Coupon Notes and $6.2 million
     in accreted  interest on the Series A Zero Coupon Notes.  Of these amounts,
     the  Company  capitalized  $5.9  million  relating  to its work in  process
     expenditures. The remaining $13.7 million was charged to expense.

5.   Development  Stage  Company.  Effective in the second  quarter of 1997, the
     Company  ceased to be a development  stage company and presents  subsequent
     results  of  operations,  cash  flows and  financial  position  in a manner
     similar to other operating enterprises within the industry.

                                       17

<PAGE>



6.   Vendor   Financing.   On   June   30,   1998,   the   Company   and   Nokia
     Telecommunications  Inc.  ("Nokia") entered into an agreement ("1998 Credit
     Agreement")  in which Nokia will provide up to an aggregate $150 million in
     financing  to the  Company  for  the  purchase  of  network  infrastructure
     equipment  and services from Nokia.  Loans under the 1998 Credit  Agreement
     are to be made  available  in two $75  million  tranches.  With  respect to
     Tranche A, the Company may borrow up to $75  million  until June 30,  1999.
     Tranche A loans mature on June 30,  1999,  however,  the  maturity  date of
     Tranche A loans may be extended to June 30, 2000,  upon written  notice and
     payment of an extension  fee by the Company to Nokia.  A second $75 million
     ("Tranche B") becomes available  commencing on June 30, 1999, and ending on
     June 30, 2000,  the maturity  date of Tranche B loans.  Interest  under the
     1998 Credit  Agreement is payable  monthly at a per annum rate equal to the
     30 day London Interbank  Offered Rate ("LIBOR") plus 0.25% (the "Eurodollar
     margin").  The  Eurodollar  margin on any  Tranche A loans with an extended
     maturity date is subject to  adjustment  based on ratings for TDS long-term
     senior unsecured debt.

     The  obligations  of the Company under the 1998 Credit  Agreement are fully
     and  unconditionally  guaranteed  by  TDS  at an  annual  fee  rate  of 3%.
     Guarantee fees owed TDS are payable semiannually.  Of the $263.2 million in
     Long-term debt at September 30, 1998, $35.0 million  represents  borrowings
     under the 1998 Credit Agreement, with the balance representing the Series A
     and Series B Zero Coupon Notes, including accreted interest.

7.   Minority  Investor.  On  September  8,  1998,  pursuant  to the  terms of a
     Purchase  Agreement  dated June 1,  1998,  Sonera  Corporation  ("Sonera"),
     formerly  Telecom  Finland Ltd.,  made a $200 million  investment in Aerial
     Operating Co., Inc. ("AOC"), a then wholly-owned subsidiary of the Company.
     Sonera purchased approximately 2.4 million shares of common stock of AOC at
     a price of approximately $83 per share representing a 19.4% equity interest
     in AOC.  The sale of the AOC Common  Shares was  recorded  at a fair market
     value which was more than the Company's  book value  investment in AOC. The
     Company  adjusted its book value investment in AOC as a result of this sale
     and increased Additional paid-in capital $169.4 million in 1998.

     Sonera's equity  ownership  amount in AOC is subject to adjustment based on
     Aerial's  20-day  average  stock price  during the three  years  commencing
     September  8, 1998.  Depending on the level of increase in the stock price,
     Sonera's  ownership  amount in AOC could decline to  approximately  15%. In
     addition,  after five years  Sonera's  equity in AOC becomes  incrementally
     exchangeable  for  equity in Aerial  Communications,  Inc.  or, in  certain
     circumstances,  incrementally exchangeable for equity in Telephone and Data
     Systems, Inc. or cash.

     Minority share of loss of $3.8 million  represents  Sonera's share of AOC's
     consolidated  net  loss  from  September  8,  1998  (the  closing  date) to
     September 30, 1998.

8.   Revolving  Credit  Agreement.  The Company entered into a Revolving  Credit
     Agreement  with TDS on August 1, 1995,  under which all of the  outstanding
     obligations of the Company to TDS are incorporated.  Under the terms of the
     Purchase Agreement,  the Revolving Credit Agreement between the Company and
     TDS, pursuant to which the Company owed TDS $665.0 million as of August 31,
     1998, was terminated.  A new Revolving  Agreement,  between AOC and TDS was
     substituted,  under which AOC was indebted to TDS for $665.0  million as of
     August 31, 1998.

     The new Revolving Credit  Agreement  between AOC and TDS has the same terms
     and conditions as the previous Revolving Credit Agreement,  as amended, and
     provides  that the amount of any  proceeds  raised by the Company or AOC in
     connection with the sale of equity (See Note 7- Minority Investor), or debt
     will be used to reduce the borrowings  under the Revolving Credit Agreement
     as well as reduce  the total  amount  AOC may  borrow  under the  Revolving
     Credit Agreement.  Additionally, any borrowings under the Nokia 1998 Credit
     Agreement (See Note 6 - Vendor Financing)  concurrently reduces by the same
     amount  the  authorized  total  line of credit  available  to AOC under the
     Revolving Credit

                                       18

<PAGE>



     Agreement. Pursuant to these terms, AOC paid to TDS the $200 million it had
     received from Sonera to reduce its  borrowings  under the Revolving  Credit
     Agreement.

     The following table summarizes AOC's borrowing capacity under the Revolving
     Credit Agreement as of September 30, 1998:

<TABLE>
<CAPTION>

     (Dollars in thousands)
<S>                                                                  <C>        
     Maximum amount available as of September 30, 1998               $  725,000
     Reduced by : Proceeds from Sonera                                 (200,000)
                Vendor financing under the 1998 Nokia Credit Agreement  (35,000)
                Amount outstanding under the Revolving Credit Agreement
                  as of September 30, 1998                             (484,000)
                                                                      ----------
     Net amount available for borrowing as of
          September 30, 1998                                         $    6,000
                                                                      ==========
</TABLE>


     At October 31,  1998,  the maximum  amount  available  under the  Revolving
     Credit  Agreement was $750  million (prior to reductions  for the  proceeds
     from Sonera and vendor  financing  under the  Nokia 1998 Credit Agreement).

     On November 3, 1998,  TDS  approved an amendment  to the  Revolving  Credit
     Agreement  dated August 31, 1998,  between TDS and AOC. This amendment will
     be executed and delivered after approvals by the boards of directors of the
     Company and AOC, which are expected to be received in due course. Under the
     Revolving Credit Agreement,  as so amended, AOC will be permitted to borrow
     up to a maximum amount (the "Maximum Amount"),  less the amount of any debt
     or equity financing obtained by AOC or the Company, including the amount of
     any borrowings  under the Nokia 1998 Credit  Agreement.  The Maximum Amount
     under the  amended  Revolving  Credit  Agreement  will  increase  from $550
     million  ($750 million less $200 million in proceeds  from  Sonera) to $650
     million in February  1999.  The interest  rate under the  amended Revolving
     Credit  Agreement will be equal  to the  Prime Rate announced  from time to
     time by  the  LaSalle  National  Bank  of Chicago plus 3%.  Interest on the
     balance due under the amended  Revolving  Credit  Agreement will be payable
     quarterly  and  no  principal  will be payable  until April 2, 2000.  As of
     November 3, 1998,  the Company  had $500 million in  borrowings outstanding
     under the  Revolving Credit Agreement and  $39 million in  borrowings under
     the Nokia 1998 Credit Agreement.

9.   Commitments.  At  September  30,  1998,  the  Company  had orders  totaling
     approximately $5.0 million with Nokia  Telecommunications  Inc. for network
     infrastructure  equipment.  Also,  at September  30, 1998,  the Company had
     orders  totaling  approximately  $13.1 million with various handset vendors
     for handsets and accessories.

10.  Tracking Stock  Proposal.  As disclosed in the Company's 1997 Annual Report
     on Form 10-K,  on December 17, 1997,  the Company  received a proposal from
     TDS to acquire all of the issued and  outstanding  Common  Shares of Aerial
     not already owned by TDS,  pursuant to a merger (the "Aerial  Merger"),  in
     exchange for shares of TDS tracking stock which are intended to reflect the
     performance of the Company.

     In  January  1998,  the  Company's  Board of  Directors  created  a special
     committee  of the Board (the  "Special  Committee")  to review the proposal
     from TDS. The Special Committee, consisting of two independent directors of
     Aerial,  engaged  a  financial  advisor  and  legal  advisor  to  assist in
     reviewing the proposal.  On April 15, 1998, the Company  announced that the
     Special Committee had decided to recommend that Aerial's Board of Directors
     reject the initial  proposal  from TDS. The Special  Committee  advised TDS
     that it would be prepared to consider a revised proposal. TDS has attempted
     to seek an agreement to acquire the Aerial  Common  Shares that it does not
     own on  mutually  acceptable  terms.  TDS has  stated  that it is  actively
     engaged in  ascertaining  whether the  Tracking  Stock  Proposal or another
     alternative is the best vehicle to unlock and build  shareholder  value and
     that

                                       19
<PAGE>



     it is  working  toward a  resolution.  There  can be no  assurance  that an
     agreement will be reached with respect to the Aerial Merger.


                                       20

<PAGE>



                           PART II. OTHER INFORMATION
                           --------------------------
Item 6.  Exhibits and Reports on Form 8-K.

     (a) Exhibits

         Exhibit 11 - Computation of earnings per common share.

         Exhibit 27 - Financial Data Schedule.

     (b) Reports on Form 8-K filed during the quarter ended September 30, 1998.

     The Company filed a Current Report on Form 8-K dated September 8, 1998, for
     the purpose of filing the following agreements: (i) an Investment Agreement
     by and between the Company, TDS, AOC and Sonera, (ii) a Registration Rights
     Agreement  by and between the  Company  and Sonera,  (iii) a Joint  Venture
     Agreement by and between the Company,  AOC and Sonera  Corporation US., and
     (iv) a Supplemental  Agreement by and between Aerial, AOC and Sonera. These
     agreements relate to the closing of the Purchase  Agreement entered into on
     June 1, 1998,  between Aerial  Communications,  Inc., APT Operating Company
     (renamed  Aerial  Operating Co.,  Inc.),  a wholly owned  subsidiary of the
     Company,  Telephone and Data Systems,  Inc., the parent  corporation of the
     Company,  and Sonera  Corporation,  a limited  liability  company organized
     under the laws of Finland and formerly known as Telecom Finland.






                                       21

<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 thereunto duly authorized.


                                       AERIAL COMMUNICATIONS, INC.
                                       --------------------------- 
                                       (Registrant)



Date November 13, 1998                 /s/ Donald W. Warkentin
    -------------------                -----------------------
                                       Donald W. Warkentin
                                       President
                                       (Chief Executive Officer)


Date November 13, 1998                 /s/ J. Clarke Smith
    -------------------                -------------------
                                       J. Clarke Smith
                                       Vice President-Finance and Administration
                                       (Chief Financial Officer)


Date November 13, 1998                 /s/ B. Scott DaiIey
    -------------------                -------------------
                                       B. Scott Dailey
                                       Vice President-Controller
                                       (Principal Accounting Officer)


                                       22



                                                                      Exhibit 11
<TABLE>

                  Aerial Communications, Inc. and Subsidiaries
                    Computation of Earnings Per Common Share
                    (in thousands, except per share amounts)

<CAPTION>

Three Months Ended September 30,                            1998         1997
- ------------------------------------------------------   ---------    ---------
<S>                                                      <C>          <C>    
Basic Earnings Per Common Share:
    Net (Loss)                                           $ (79,137)   $ (76,598)
                                                         =========    =========
    Weighted average number of Common and Series A
        Common Shares Outstanding (1)                       71,735       71,559
                                                         =========    =========
Basic Earnings Per Common Share
    Net (Loss)                                           $   (1.10)   $   (1.07)
                                                         =========    =========
Diluted Earnings Per Common Share (2):
    Net (Loss)                                           $ (79,137)   $ (76,598)
                                                         =========    =========
    Weighted average number of Common and Series A
        Common Shares Outstanding (1)                       71,735       71,559
                                                         =========    =========
Diluted Earnings Per Common Share
    Net (Loss)                                           $   (1.10)   $   (1.07)
                                                         =========    =========

Nine Months Ended September 30,                             1998         1997
- ------------------------------------------------------   ---------    ---------
Basic Earnings Per Common Share:
    Net (Loss)                                           $(255,532)   $(154,413)
                                                         =========    =========
    Weighted average number of Common and Series A
        Common Shares Outstanding (1)                       71,701       71,481
                                                         =========    =========
Basic Earnings Per Common Share
    Net (Loss)                                           $   (3.56)   $   (2.16)
                                                         =========    =========
Diluted Earnings Per Common Share (2):
    Net (Loss)                                           $(255,532)   $(154,413)
                                                         =========    =========
    Weighted average number of Common and Series A
    Common Shares Outstanding (1)                           71,701       71,481
                                                         =========    =========
Diluted Earnings Per Common Share
    Net (Loss)                                           $   (3.56)   $   (2.16)
                                                         =========    =========

<FN>

(1)     Weighted average number of Common and Series A Common Shares outstanding
        was  calculated  based on the  number of shares  outstanding  during the
        period.

(2)     The Company adopted in 1997 Statement of Financial  Accounting Standards
        ("SFAS") No. 128,  "Earnings Per Common Share".  The  implementation  of
        SFAS No.  128 had no effect on  reported  (Loss) per Common and Series A
        Common Share due to the current Net (Loss).
</FN>
</TABLE>
                                           23



<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial information extracted from the 
consolidated financial statements of Aerial Communications, Inc. as of
September 30, 1998, and for the nine months then ended, and is qualified in
its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>                                   1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                        DEC-31-1998
<PERIOD-END>                             SEP-30-1998
<CASH>                                         4,419
<SECURITIES>                                       0
<RECEIVABLES>                                 34,289
<ALLOWANCES>                                   7,782  
<INVENTORY>                                   16,074 
<CURRENT-ASSETS>                              52,904      
<PP&E>                                       718,983     
<DEPRECIATION>                                93,217
<TOTAL-ASSETS>                               971,495   
<CURRENT-LIABILITIES>                         75,019      
<BONDS>                                      263,189      
                              0    
                                        0    
<COMMON>                                      71,735      
<OTHER-SE>                                    35,385     
<TOTAL-LIABILITY-AND-EQUITY>                 971,495      
<SALES>                                       20,337     
<TOTAL-REVENUES>                             105,872
<CGS>                                         59,616     
<TOTAL-COSTS>                                303,254     
<OTHER-EXPENSES>                              (4,560)    
<LOSS-PROVISION>                                   0  
<INTEREST-EXPENSE>                            60,143    
<INCOME-PRETAX>                             (252,965)       
<INCOME-TAX>                                   2,567      
<INCOME-CONTINUING>                         (255,532)     
<DISCONTINUED>                                     0
<EXTRAORDINARY>                                    0
<CHANGES>                                          0
<NET-INCOME>                                (255,532)  
<EPS-PRIMARY>                                  (3.56)  
<EPS-DILUTED>                                  (3.56)  
        


</TABLE>


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