Attachment Schedule S document

This document pretains to SES-MOD-20080804-01025 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2008080401025_658040

Representative Return Link Budget
UT Type                                                 Personal Accessory
Carrier Type                                                  GMR
General Parameters                               Unit
Gateway elevation angle                          deg          42.0
Minimum user elevation angle                     deg          20.0
Uplink frequency                                 GHz         2.020
Downlink frequency                               GHz         19.700
Bandwidth/carrier                                kHz         468.75
Uplink
Uplink EIRP                                      dBW          11.0
Free space loss                                   dB          190.5
Atmospheric loss                                  dB           0.1
Uplink propagation margin                         dB           1.3
Satellite receive antenna gain (-3 dB contour)    dBi         42.3
Satellite receive system noise temperature       dB-K         27.3
Satellite receive antenna G/T                    dB/K         15.0
Uplink C/No                                      dBHz         62.7
Uplink C/Io Intra-system                         dBHz         66.3
Uplink C/Io External Interference                dBHz         72.7
Downlink
Satellite EIRP (peak)                            dBW          41.9
Free space loss                                   dB          209.8
Atmospheric loss                                  dB           0.4
Rain attenuation                                  dB          10.0
E/S antenna gain                                  dB          66.5
E/S antenna pointing error                        dB           0.3
Nominal system noise temperature                 dB-K         23.9
Nominal E/S G/T                                  dB/K         42.3
System noise temperature degradation in rain      dB           3.1
Rain-degraded system noise temperature           dB-K         27.0
Rain-degraded E/S G/T                            dB/K         39.2
Downlink C/No                                    dBHz         89.2
Downlink C/IMo                                   dBHz         64.1
Downlink C/Io Intra-system                       dBHz         78.6
Downlink C/Io ASI                                dBHz         99.1
End-to-End Performance
End-to-end C/No                                  dBHz         62.7
End-to-end aggregate C/Io                        dBHz         65.2
End-to-end C/IMo                                 dBHz         64.1
Total aggregate C/(No+Io+IMo)                    dBHz         59.1
Total aggregate C/(N+I+IM)                        dB           2.4
Required C/N                                      dB           2.4
System Margin                                     dB           0.0



Document Created: 2008-08-07 09:07:38
Document Modified: 2008-08-07 09:07:38

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