Attachment Schedule S DOC 34

This document pretains to SAT-AMD-20100514-00101 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2010051400101_817409

       MSAT MMS Carrier EOC Link Budget
                                             FORWARD           RETURN
PARAMETER                         UNITS     (Hub to User)    (User to Hub)
Noise Bandwidth                    kHz                   1                1
Boltzmann’s constant            dBW/Hz·ºK           -228.6           -228.6
               UPLINK                                Clear            Clear
Frequency                          GHz                  13             1.64
Earth Station EIRP                dBW                   47              4.0
Body Shielding Loss                dB                    x                0
Polarization Loss                  dB                    x             -0.5
Free Space Loss                    dB               -206.7           -188.8
Uplink Fade                        dB                    0                0
Satellite Antenna Gain, EOC        dBi                  29               29
Received Carrier Power            dBW               -130.7           -156.3
Satellite G/T                     dB/ºK                 -1                5
Intersystem Interference           dB                  0.5                1
Allowance
C/No                              dB·Hz               67.4            47.3

C/Imo                             dB·Hz               52.0            54.0

Satellite C/(No+Io)               dB·Hz               51.9            46.5
             DOWNLINK
Frequency                          GHz                1.55              11
Satellite Active Gain              dB                123.3             122
Satellite Antenna Gain, EOC        dBi                  29              29
Satellite EOC EIRP                dBW                 21.6            -5.3
Free Space Loss                    dB               -188.5          -205.2
Downlink Fade                      dB                    x                0
Earth Station G/T                 dB/ºK                -20            36.5
Interference Allowance             dB                    1              0.5
C/No                              dB·Hz               40.7            54.1
                 LINK
Link C/(No+Io)                    dB·Hz               40.4            45.8
Required C/No                     dB-Hz               34.2            34.2
 Margin                            dB                  6.2            11.6



Document Created: 2010-05-18 09:02:50
Document Modified: 2010-05-18 09:02:50

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