Exhibit B JOINT FILING AGREEMENT The undersigned hereby agree that the Statement on Schedule 13G, dated December 8, 2005 with respect to the shares of Common Stock of Endwave Corporation and any further amendments thereto executed by each and any of...

Exhibit B



                             JOINT FILING AGREEMENT

                     The undersigned hereby agree that the Statement on Schedule
         13G, dated December 8, 2005 with respect to the shares of Common Stock
         of Endwave Corporation and any further amendments thereto executed by
         each and any of us shall be filed on behalf of each of us pursuant to
         and in accordance with the provisions of Rule 13d-1(k)(1) under the
         Securities Exchange Act of 1934, as amended.

                     This Agreement may be executed in separate counterparts,
         each of which shall be deemed an original, but all of which shall
         constitute one and the same instrument.

         Dated: December 9, 2005




                                            POTOMAC CAPITAL MANAGEMENT LLC

                                            By:   /s/ Xxxx X. Xxxxx
                                                  Xxxx X. Xxxxx, Managing Member

                                            POTOMAC CAPITAL MANAGEMENT INC.

                                            By:   /s/ Xxxx X. Xxxxx
                                                  Xxxx X. Xxxxx, President

                                            XXXX X. XXXXX

                                            By:   /s/ Xxxx X. Xxxxx
                                                  Xxxx X. Xxxxx