EXHIBIT 99.1

               American Tower Contacts:  Joseph L. Winn, Chief Financial Officer
                                 or Emily Farina, Director of Investor Relations
                                                     Telephone:  (617)  375-7500

                                OmniAmerica Contacts:  Mark Semer or Roy Winnick
                                   Kekst and Company,  Telephone: (212) 521-4800


FOR IMMEDIATE RELEASE

                AMERICAN TOWER CORPORATION AND OMNIAMERICA, INC.
                                 COMPLETE MERGER

Boston, Massachusetts and Albuquerque, New Mexico - February 25, 1999 - American
Tower  Corporation  (NYSE: AMT) and OmniAmerica,  Inc. (NASDAQ:  XMIT) announced
today that they have completed their previously announced merger transaction.

American Tower issued  approximately 16.7 million shares of Class A Common Stock
to  OmniAmerica   stockholders  and  assumed  OmniAmerica's   outstanding  debt.
Consideration  for the merger also included the assumption of approximately  1.0
million  shares of OmniAmerica  employee  stock  options.  Shares of OmniAmerica
common  stock  ceased  trading  effective  today.  In  addition,  Jack D. Furst,
Chairman of OmniAmerica and a Partner of Hicks, Muse, Tate & Furst Incorporated,
OmniAmerica's largest shareholder,  will join the Board of Directors of American
Tower.

Credit  Suisse  First  Boston  acted as  financial  advisor  to  American  Tower
Corporation in this transaction, and BT Wolfensohn acted as financial advisor to
OmniAmerica, Inc.

American  Tower is a leading  independent  owner and operator of  broadcast  and
wireless communications sites in the United States and, giving effect to pending
transactions,  will operate more than 3,200 towers in 44 states and the District
of Columbia. Based in Boston, the Company has a national footprint with regional
hubs in Boston, Albuquerque, Atlanta, Chicago, Houston and San Francisco.


         This press release  contains  "forward-looking  statements"  concerning
         future expectations, plans or strategies that involve a number of risks
         and  uncertainties.  The Company wishes to caution readers that certain
         factors may have affected the Company's  actual results and could cause
         results  for  subsequent   periods  to  differ  materially  from  those
         expressed in any forward-looking  statement made by or on behalf of the
         Company.  Such factors include,  but are not limited to (i) substantial
         capital  requirements and leverage  principally as a consequence of its
         ongoing  acquisitions and construction  activities,  (ii) dependence on
         demand  for  wireless  communications  and  implementation  of  digital
         television,  (iii) the  success of the  Company's'  tower  construction
         program  and  (iv)  the  successful  operational   integration  of  the
         Company's businesses acquisitions. The Company undertakes no obligation
         to update forward-looking  statements to reflect subsequently occurring
         events or circumstances.

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116 Huntington Avenue, Boston, Massachusetts 02116 617-375-7500 FAX 617-375-7575