Attachment Schedule S document

This document pretains to SES-AMD-20070426-00517 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2007042600517_563257

     Table A.12-13 – Link Budget for Communication Return Link to
             Class-1 User Terminal (200 kHz carrier; Spot Beam)

General                                          Unit
    User terminal type                           -                      Class-1
    Modulation ID / Designator                   -            C1RT / 200KD7W
    Data rate (kbps)                             (kbps)                   492.8
    Coding rate                                  -                        0.852
    Modulation                                   -                     16-QAM
    Carrier bandwidth                            (kHz)                      189
    Allocated bandwidth                          (kHz)                      200
Uplink
    Frequency                                    (GHz)                      1.6
    User terminal elevation angle                (deg)                       90
    User terminal EIRP towards satellite         (dBW)                     21.0
    Path loss                                    (dB)                     188.9
    Atmospheric loss                             (dB)                       0.1
    Satellite G/T                                (dB/K)                    12.7
    Boltzmann Constant                           (dBW/K/Hz)              -228.6
    Adjacent Channel Interference                (dB)                       0.2
    Up-path C/No                                 (dBHz)                    73.1
Downlink
    Frequency                                    (GHz)                      3.6
    SAS elevation angle                          (deg)                        5
    Satellite EIRP                               (dBW)                     14.5
    Path loss                                    (dB)                     195.7
    Atmospheric loss                             (dB)                       0.4
    SAS G/T                                      (dB/K)                    32.3
    Boltzmann Constant                           (dBW/K/Hz)              -228.6
    Random Loss (99%)                            (dB)                       0.5
    Down-path C/No                               (dBHz)                    78.8
Total
    Mean satellite C/IMo                         (dBHz)                   83.0
    Co-Channel Interference                      (dBHz)                   78.9
    Adjacent satellite interference allocation   (dB)                      1.0
    Mean Overall C/No                            (dBHz)                   70.0
    Mean Overall C/N                             (dB)                     17.2
Margin
    C/N objective                                (dB)                     12.7
    C/N margin                                   (dB)                      4.5



Document Created: 2007-04-27 13:12:49
Document Modified: 2007-04-27 13:12:49

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