Attachment Schedule S document

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

IBFS_SESMOD2008080401025_658022

Representative Return Link Budget
UT Type                                                 Personal Accessory
Carrier Type                                                 CDMA
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         1,250.0
Uplink
Uplink EIRP                                      dBW           5.0
Free space loss                                   dB          190.5
Atmospheric loss                                  dB            0.1
Uplink propagation margin                         dB           11.6
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         46.4
Uplink C/Io Intra-system                         dBHz         44.3
Uplink C/Io External Interference                dBHz         56.4
Downlink
Satellite EIRP (peak)                            dBW          25.6
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         72.9
Downlink C/IMo                                   dBHz         63.9
Downlink C/Io Intra-system                       dBHz         69.3
Downlink C/Io ASI                                dBHz         82.8
End-to-End Performance
End-to-end C/No                                  dBHz          46.4
End-to-end aggregate C/Io                        dBHz          44.1
End-to-end C/IMo                                 dBHz          63.9
Total aggregate C/(No+Io+IMo)                    dBHz          42.0
Total aggregate C/(N+I+IM)                        dB          -18.9
Required C/N                                      dB          -18.9
System Margin                                     dB            0.0



Document Created: 2008-08-07 08:44:53
Document Modified: 2008-08-07 08:44:53

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