Attachment Schedule S GXT

This document pretains to SES-MFS-20080926-01241 for Modification w/ Foreign Satellite (earth station) on a Satellite Earth Station filing.

IBFS_SESMFS2008092601241_669124

                                                         LinkBudget:

                                               CONUS Beam: 8PSK rate 2/3




DATA RATE                   38333.96 kbps           sat BSS129               UPLINK SITE
NUMBER OF PHASES                    8              xpdr CONUS                UPLINK SFD                         -99.00     dBW/m2
LDPC                                2/ 3            loc -129.0               ATTENUATOR                           10.0     dB
SPECTRAL EFFICIENCY         1.916698                                         UPLINK G/T                           5.00     dB/K
REQUIRED Eb/No                   4.40 dB                                     UPLINK FREQ                      17300.00     MHz
IF BANDWIDTH                 20000.0 kHz                                     DOWNLINK FREQ                    12200.00     MHz
C/N REQUIRED                     7.20 dB                                     UPLINK EIRP                          73.5     dBW
Faded System Margin               0.3 dB                                     Uncompensated U/L Fade                0.0     dB
Antenna Efficiency            63.00%                                         UPLINK C/N+I                         24.0     dB

Spacing Factor                  1.2                                          Adjacent satellite C/I                   20
Required Bandwidth           24.000   MHz                                                                           99.0
Allocated Bandwidth          24.000   MHz
Transponder SCPC IBO            0.0   dB                                     Transponder Bandwidth               24.0      MHz
Transponder SCPC OBO            0.0   dB                                     Required Bandwidth                100.00      %
Carrier IBO                    0.00   dB                                     Allocated Bandwidth               100.00      %
Carrier OBO                    0.00   dB                                     Carrier Allocated Power           100.00      %

                                                                   MINIMUM       XPDR                   CLEAR-SKY            MARGIN
                            ANT         ES       ANT     Assumed     C/N           SAT          CXR     DOWNLINK                TO
             RECEIVE SITE   DIA        Tsys      G/T        C/I     DOWN          EIRP          EIRP       C/N              MIN C/Ndn
                            (m)         (K)     (dB/K)     (dB)      (dB)        (dBW)         (dBW)       (dB)                (dB)
ATLANTA GA                  0.50       105.0     13.6      20.0       7.9         55.80         55.80      19.0                11.2
PHOENIX AZ                  0.50       105.0     13.6      20.0       7.9         51.50         51.50      15.1                 7.2
LOS ANGELES CA              0.50       105.0     13.6      20.0       7.9         51.10         51.10      14.7                 6.8
SAN FRANCISCO CA            0.50       105.0     13.6      20.0       7.9         52.80         52.80      16.3                 8.5
DENVER CO                   0.50       105.0     13.6      20.0       7.9         51.40         51.40      14.8                 7.0
CHICAGO IL                  0.50       105.0     13.6      20.0       7.9         53.70         53.70      16.9                 9.0
SEATTLE WA                  0.50       105.0     13.6      20.0       7.9         52.70         52.70      16.1                 8.2
MIAMI                       0.50       105.0     13.6      20.0       7.9         57.90         57.90      21.2                13.0



Document Created: 2008-09-19 12:22:47
Document Modified: 2008-09-19 12:22:47

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