Attachment Schedule S document

This document pretains to SAT-MOD-20070919-00129 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2007091900129_593648

Representative Forward 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         29.625
Downlink frequency                                 GHz         2.200
Bandwidth/carrier                                  kHz         156.25
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          45.5
Rain-faded uplink EIRP                             dBW          62.5
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         77.2
Uplink C/IMo                                       dBHz         88.9
Uplink C/IoASI                                     dBHz         84.2
Uplink C/Io Intra-system                           dBHz         74.6
Downlink
Effective Satellite EIRP/carrier (-3 dB contour)   dBW           49.0
Free space loss                                     dB          191.2
Atmospheric loss                                    dB           0.1
User terminal antenna gain                          dB           3.0
User terminal system noise temperature             dB-K          25.0
User terminal G/T                                  dB/K         -22.0
Downlink propagation margin                         dB           8.8
Downlink C/No                                      dBHz         55.5
Downlink C/IMo                                     dBHz         66.6
Downlink C/Io Intra-system                         dBHz         65.1
Downlink C/Io External Interference                dBHz         65.5
End-to-End Performance
End-to-end C/No                                    dBHz         55.4
End-to-end aggregate C/Io                          dBHz         62.0
End-to-end C/IMo                                   dBHz         66.6
Total aggregate C/(No+Io+IMo)                      dBHz         54.3
Total aggregate C/(N+I+IM)                          dB           2.4
Required C/N                                        dB           2.4
System Margin                                       dB           0.0



Document Created: 2007-09-20 11:20:47
Document Modified: 2007-09-20 11:20:47

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