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                                                                  *****************************************************************                                                                         APPENDIX  A
                                     
                                     
 Available Capacity for North America in 36 MHz Bandwidth (as of April 1,
                                  2000)

                                 Table 1
                                            
     
     
     Satellite
     Orbital Location
     List Beams
     From North America
     To
     
     
     
     

     
     
     
     
     Existing
     
     
     
     
     
     
     IS-805      
     55.5 w
     
     
     
     
     
     IS-706
     53.0 W
     
     
     
     
     
     IS-709
     50.0 W
     
     
     
     
     
     IS-601
     34.5 W
     
     
     
     
     
     IS-801
     31.5 W
     
     
     
     
     
     IS-511
     29.5 W
     
     
     
     
     
     IS-605
     27.5 W
     
     
     
     
     
     IS-603
     24.5 W
     
     
     
     
     
     IS-705
     18.0 W
     
     
     
     
     
     IS-707
     1.0 W
     
     
     
     
     
     IS-802
     186 W
     
     
     
     
     
     IS-702
     184 W
     
     
     
     
     
     IS-701
     180 W
     
     
     
     
     
     Planned
     
     
     
     
     
     
     ALPHA-1
     50.0 W
     
     
     
     
          Satellite Orbital Location    List Beams     From North America
                    To
     
     IS-904
     34.5 W
     
     
     
     
     
     IS-907
     31.5 W
     
     
     
     
     
     IS-905
     27.5 W
     
     
     
     
     
     IS-903
     24.5 W
     
     
     
     
     
     IS-906
     18.0 W
     
     
     
     
     
     IS-ALPHA-2
     1.0 W
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
                                     
                                          
                               APPENDIX  A
                                     
                                 Table 2
                                     
                                     
                                Satellite 
                             Orbital Location
                                List Beams
                                   From
                             To North America
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                 Existing
                                     
                                     
                                     
                                     
                                     
                                     
                                  IS-805
                                  55.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-706
                                  53.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-709
                                  50.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-601
                                  34.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-801
                                  31.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-511
                                  29.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-605
                                  27.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-603
                                  24.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-705
                                  18.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-707
                                  1.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-802
                                 186.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-702
                                 184.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-701
                                 180.0 W
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                 Planned
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                IS-ALPHA-1
                                  50.0 W
                                     
                                     
                                     
                                     
                                     
                                  IS-904
                                  34.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-907
                                  31.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-905
                                  27.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-903
                                  24.5 W
                                     
                                     
                                     
                                     
                                     
                                  IS-906
                                  18.0 W
                                     
                                     
                                     
                                     
                                     
                                IS-ALPHA-2
                                  1.0 W
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                               APPENDIX  B
                                     
 Comsat Capacity in 36 MHz Bandwidth in Satellites Providing Service from
           North America to Other Points (as of April 1, 2000)
     
     
     Satellite
     Orbital Location
     List Beams
     Current Lease
     Guaranteed
     Reservation
     1st Refusal Reservation
     
     
     
     
     
     
     
     
     
     
     Existing
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     IS-805
     55.5 W
     
     
     
     
     
     
     IS-706
     53.0 W
     
     
     
     
     
     
     IS-709
     50.0 W
     
     
     
     
     
     
     IS-601
     34.5 W
     
     
     
     
     
     
     IS-801
     31.5 W
     
     
     
     
     
     
     IS-511
     29.5 W
     
     
     
     
     
     
     IS-605
     27.5 W
     
     
     
     
     
     
     IS-603
     24.5 W
     
     
     
     
     
     
     IS-705
     18.0 W
     
     
     
     
     
     
     IS-709
     1.0 W
     
     
     
     
     
     
     IS-802
     186.0 W
     
     
     
     
     
     
     IS-702
     184.0 W
     
     
     
     
     
     
     IS-701
     180.0 W
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     Planned
     
     
     
     
     
     
     
     IS-ALPHA-1
     50.0 W
     
     
     
     
     
     
     IS-904
     34.5 W
     
     
     
     
     
     
     IS-907
     31.5 W
     
     
     
     
     
     
     IS-905
     27.5 W
     
     
     
     
     
     
     IS-903
     24.5 W
     
     
     
     
     
     
     IS-906
     18.0 W
     
     
     
     
     
     
     IS-ALPHA-2
     1.0 W
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     Satellite
     Orbital Location
     List Beams
     Current Lease
     Guaranteed Reserve
     1st Refusal Res.