Attachment Exhibit B

This document pretains to SES-STA-20100616-00708 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2010061600708_822556

                                                  EXHIBIT B

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

    Satellite       Orbital        Minimum        Off—axis EIRP       Maximum Off—       Decrease in uplink
     Name          Location         Orbital      density with the       axis EIRP       interference compared
                   (degrees)      separation    antenna pointed at    density during       to operations at
                                  during test    the G15 licensed     the test (input     licensed location
                                            ©     location (133.0°    power density
                                                  W.L.) assuming      of ~14.7 dBW/4
                                                   FCC permitted           kHz)
                                                 power density of —
                                                  2.1 dBW/4 kHz
    AMC—11            131             1.5              18.77              9.90                   8.88
    AMC—10            135             5.5              18.77              —4.21                 22.98



Document Created: 2019-04-28 02:42:54
Document Modified: 2019-04-28 02:42:54

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