Attachment Schedule S GXT

This document pretains to SAT-MOD-20080204-00036 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2008020400036_619872

Processed Payload Downlink Link Budget to Type C Receivers
Item                                 Value             Unit
Symbol Rate                                   1.836    Msps
Bits/Symbol Rate                                   2
Coding Rate                                    0.25
Aggregate Carrier Information Rate              918    kbit/s
Occupied bandwidth                             2.57    MHz
Eb/N0 Required                                   0.2   dB
Total implementation loss                       1.5    dB
C/(N0+I0) Required                             61.3    dB(Hz)

Downlink peak eirp per carrier                 24.7 dBW

Downlink beam contour                             0    dB
Elevation angle                                  90    °
Downlink path loss                            187.0    dB
Atmospheric absorption                          0.1    dB
Earth Station antenna gain                     17.0    dBi
Earth Station noise temperature               150.0    K
Earth Station antenna receive G/T              -4.8    dB/K
Downlink receiver power                      -145.4    dBW
Downlink C/N0                                  61.4    dB(Hz)
Downlink C/I0                                  78.8 dB(Hz)
Downlink C/(N0+I0)                             61.4 dB(Hz)
Downlink Margin                                 0.0 dB



Document Created: 2007-09-06 11:49:33
Document Modified: 2007-09-06 11:49:33

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