Attachment Exhibit B

This document pretains to SES-STA-20100423-00473 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2010042300473_812522

                                               EXHIBIT B

Analysis of Change of Uplink Interference Potential Resulting From the Proposed KA275 Transmissions

                                                     Off—axis EIRP       Maximum       Decrease in
                                                    density with the    _ Off—axis        uplink
                                                   antenna pointed at       EIRP       interference
                                                   ‘the G15 licensed      density      compared to
                                                    location (133.0°    during the     operations at
                                                    W.L.) assuming      test (input.     licensed
                          .         Minimum          FCC permitted        power          location
                      Orbital        Orbital       power density of —   density of
     Satellite       Location      separation        2.7 dBW/4 kHz         ~14.7
      Name           (degrees)     during test                          dBW/4 kHz)
     AMC—11             131            1.4               18.77               10.65               8.13
     AMC—10             135            2.4               18.77                 4.79             13.98
      GE 7              137            4.4               11.25                —1.79             13.03



Document Created: 2010-04-23 17:10:18
Document Modified: 2010-04-23 17:10:18

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