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                                    EXHIBIT A

                             JOINT FILING AGREEMENT


          The  undersigned  hereby agree that the statement on Schedule 13G with
respect to the Common Stock of Powertel, Inc., dated as of May 29, 2001, is, and
any amendments thereto (including  amendments on Schedule 13D) signed by each of
the  undersigned  shall be,  filed on behalf  of each of us  pursuant  to and in
accordance  with the provisions of Rule 13d-1(k)  under the Securities  Exchange
Act of 1934.



Date:    May 29, 2001          SOROS FUND MANAGEMENT LLC


                               By:/S/ RICHARD D. HOLAHAN, JR.
                                  ---------------------------------------------
                                  Richard D. Holahan, Jr.
                                  Assistant General Counsel


Date:    May 29, 2001          GEORGE SOROS


                               By:/S/ RICHARD D. HOLAHAN, JR.
                                  ---------------------------------------------
                                  Richard D. Holahan, Jr.
                                  Attorney-in-Fact