EXHIBIT 2.2

         AMENDMENT AND CLARIFICATION OF SECURITIES EXCHANGE AGREEMENT


     This Amendment and Clarification of Securities Exchange Agreement is made
and entered into as of the 16/th/ day of September, 1999, for the purpose of and
clarifying certain provisions of the Securities Exchange Agreement entered into
as of the 16/th/ day of September, 1999 (the "Agreement") by and among
ADDvantage Media Group, Inc., an Oklahoma corporation ("AMG"), David E. Chymiak,
Kenneth A. Chymiak, as Trustee of the Ken Chymiak Revocable Trust Dated March 4,
1992, and Susan C. Chymiak, as Trustee of the Susan Chymiak Revocable Trust
Dated March 4, 1992 (collectively, "Shareholders" each a "Shareholder").

                                   Recitals:

     WHEREAS, the parties hereto desire to clarify and, to the extent
appropriate, amend and modify certain terms of the Agreement and are entering
into this Amendment and Clarification of Securities Exchange Agreement (this
Amendment) for such purpose;

     NOW THEREFOR, IN CONSIDERATION of the recitals and mutual covenants and
agreements set forth in this Amendment, the parties hereto hereby agree as
follows:

     1.  The capitalized terms used herein shall have the same meanings as set
forth in the Agreement unless otherwise specifically provided herein. The term,
"Shareholder Notes" is revised to mean those certain demand promissory notes
issued by TULSAT, in favor of the Shareholders in the aggregate original
principal amount of $10,000,000.

     2.  The provisions of Article 2 of the Agreement shall be amended so that
it reads in its entirety as follows:

                                  "ARTICLE II

                               Tax-Free Transfer

           "Section 2.1  Transfer of TULSAT Common Stock. At Closing, upon the
     terms and subject to the conditions set forth in this Agreement,
     Shareholders shall contribute, assign, and transfer to AMG, and AMG shall
     receive from Shareholders, all of the issued and outstanding TULSAT Common
     Stock. At Closing, Shareholders shall deliver to AMG certificates
     representing all of the TULSAT Common Stock, free and clear of all liens,
     claims, charges, restrictions, equities or encumbrances of any kind, which
     certificates shall be duly endorsed to AMG or accompanied by duly executed
     stock powers in a form satisfactory to AMG.

           "Section 2.2  Issuance of AMG Securities. In exchange for all of the
     shares of TULSAT Common Stock, AMG shall issue to the Shareholders a total
     of 50,000 shares of AMG Nonconvertible Preferred Stock, 200,000 shares of
     AMG Convertible Preferred



     Stock and 8,000,000 shares of AMG Common Stock, registered in each
     Shareholder's name and in the respective amounts set forth in Exhibit B. At
     Closing, AMG shall deliver to each Shareholder the stock certificates
     representing the AMG Securities.

          "Section 2.3 Closing. Closing shall take place on the Closing Date at
     such time and place as is agreed by AMG and Shareholders.

          "Section 2.4 Post-Closing Exchange of Notes. Subsequent to Closing,
     the Shareholders shall deliver to AMG the Shareholder Notes, endorsed
     "Payable to the Order of ADDvantage Media Group, Inc.," free and clear of
     all liens, claims, charges, restrictions, equities or encumbrances of any
     kind. In exchange therefor, AMG shall issue to the Shareholders an
     aggregate of 250,000 shares of AMG Nonconvertible Preferred Stock
     registered in each Shareholder's name and in the respective amounts set
     forth in Exhibit B. At such time, AMG shall deliver to each Shareholder the
     stock certificates representing such shares of AMG Nonconvertible Preferred
     Stock."

     3.   Exhibit B attached hereto shall replace in its entirety the Exhibit B
which is attached to the Agreement.

     4.   Except as specifically amended and clarified  hereby, the Agreement
shall remain in full force and effect.


     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

AMG:                                               Shareholders:

ADDvantage Media Group, Inc.                /s/ David E. Chymiak
                                            ------------------------------------
                                            David E. Chymiak

                                            /s/ Kenneth A. Chymiak
                                            ------------------------------------
By: /s/ Charles H. Hood                     Kenneth A. Chymiak, as Trustee of
   ------------------------------           the Ken Chymiak Revocable Trust
Charles H. Hood, President                  Dated March 4, 1992

                                            /s/ Susan C. Chymiak
                                            ------------------------------------
                                            Susan C. Chymiak, as Trustee of
                                            the Susan C. Chymiak Revocable Trust
                                            Dated March 4, 1992



                                   EXHIBIT B
Exchanges Occurring at Closing



- -----------------------------------------------------------------------------
                             TULSAT Securities             AMG Securities
Shareholder                     Surrendered                   Received
- -----------                     -----------                   --------
- -----------------------------------------------------------------------------------
                                                  
David E. Chymiak             350 Shares of              25,000 Shares of AMG
                             TULSAT Common Stock        Nonconvertible Preferred Stock;
                                                        100,000 Shares of AMG
                                                        Convertible Preferred Stock; and
                                                        4,000,000 Shares of AMG
                                                        Common Stock
- -----------------------------------------------------------------------------------
Kenneth A. Chymiak, as       175 Shares of TULSAT       12,500 Shares of AMG
Trustee of the Ken           Common Stock               Nonconvertible Preferred Stock;
Chymiak Revocable Trust                                 50,000 Shares of AMG Convertible
Dated March 4, 1992                                     Preferred Stock; and
                                                        2,000,000 Shares of AMG
                                                        Common Stock
- -----------------------------------------------------------------------------------
Susan C. Chymiak, as         175 Shares of TULSAT       12,500 Shares of AMG
Trustee of the Susan         Common Stock               Nonconvertible Preferred Stock;
Chymiak Revocable Trust                                 50,000 Shares of AMG Convertible
Dated March 4, 1992                                     Preferred Stock; and
                                                        2,000,000 Shares of AMG
                                                        Common Stock
- -----------------------------------------------------------------------------------


Exchanges Occurring After Closing



- ------------------------------------------------------------------------------------------
                               Amount of Shareholder Note       AMG Securities
Shareholder                         Surrendered                    Received
- -----------                         -----------                    --------
- ------------------------------------------------------------------------------------------
                                                        
David E. Chymiak               $5,000,000                     125,000 Shares of AMG
                                                              Nonconvertible Preferred
                                                              Stock
- ------------------------------------------------------------------------------------------
Kenneth A. Chymiak, as         $2,500,000 Shareholder Note    62,500 Shares of AMG
Trustee of the Ken Chymiak                                    Nonconvertible Preferred
Revocable Trust Dated                                         Stock
March 4, 1992
- ------------------------------------------------------------------------------------------
Susan C. Chymiak, as           $2,500,000 Shareholder Note    62,500 Shares of AMG
Trustee of the Susan                                          Nonconvertible Preferred
Chymiak Revocable Trust                                       Stock
Dated March 4, 1992
- ------------------------------------------------------------------------------------------