Attachment Schedule S document

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

IBFS_SESMOD2008080401025_658002

Representative Forward Link Budget
UT Type                                                   Handheld Terminal
Carrier Type                                                   TDMA
General Parameters                                 Unit
Gateway elevation angle                            deg           42.0
Minimum user elevation angle                       deg           20.0
Uplink frequency                                   GHz         29.625
Downlink frequency                                 GHz         2.200
Bandwidth/carrier                                  kHz          200.0
Uplink
Uplink E/S antenna diameter                          m           13.2
Uplink E/S antenna peak gain                        dBi          69.6
E/S antenna pointing error                          dB            0.5
Clear-sky uplink EIRP                              dBW           53.8
Rain-faded uplink EIRP                             dBW           70.8
Free space loss                                     dB          213.4
Atmospheric loss                                    dB           0.3
Rain attenuation                                    dB           17.0
Satellite antenna pointing error                    dB            0.3
Satellite antenna receive system noise temp.       dB-K          32.1
Satellite receive antenna G/T                      dB/K          17.0
Uplink C/No                                        dBHz         85.5
Uplink C/IMo                                       dBHz         101.2
Uplink C/IoASI                                     dBHz         92.5
Uplink C/Io Intra-system                           dBHz         75.1
Downlink
Effective Satellite EIRP/carrier (-3 dB contour)   dBW           57.3
Free space loss                                     dB          191.2
Atmospheric loss                                    dB           0.1
User terminal antenna gain                          dB            0.0
User terminal system noise temperature             dB-K          27.0
User terminal G/T                                  dB/K         -27.0
Downlink propagation margin                         dB           10.1
Downlink C/No                                      dBHz         57.5
Downlink C/IMo                                     dBHz         78.8
Downlink C/Io Intra-system                         dBHz         65.7
Downlink C/Io External Interference                dBHz         67.5
End-to-End Performance
End-to-end C/No                                    dBHz         57.5
End-to-end aggregate C/Io                          dBHz         63.2
End-to-end C/IMo                                   dBHz         78.8
Total aggregate C/(No+Io+IMo)                      dBHz         56.4
Total aggregate C/(N+I+IM)                          dB           3.4
Required C/N                                        dB           3.4
System Margin                                       dB           0.0



Document Created: 2008-08-07 08:36:04
Document Modified: 2008-08-07 08:36:04

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