Attachment Schedule S document

This document pretains to SAT-MOD-20080124-00030 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2008012400030_618852

Command carrier link budget (C-band, uplink)

UPLINK FLUX DENSITY                            dBW/m2          -80
ISOTROPIC APERTURE                             dB-m2        -37.6
COUPLER LOSS                                   dB             -0.3
POLARIZATION LOSS                              dB             -0.1
S/C ANTENNA GAIN                               dB                3
SCATTERING INTERF. LOSS                        dB               -1
CABLE VSWR LOSS                                dB             -5.2
CIRCUIT LOSSES                                 dB               -7
RECEIVED INPUT POWER                           dBW         -128.2
REQUIRED INPUT POWER                           dBW           -138
MARGIN                                         dB              9.8

Budget for C-band Telemetry (Downlink)
S/C EIRP                                       dBW           14.3
PATH LOSS                                      dB          -196.9
RAIN LOSS                                      dB            -1.1
POLARIZATION LOSS                              dB            -0.3
GROUND STATION POINTING LOSS                   dB            -0.5
GROUND STATION G/T                             dB/K            31
BOLTZMANN CONSTANT                             dB-Hz K/W    228.6
CARRIER TO NOISE DENSITY                       dB-Hz        75.12
MODULATION LOSS                                dB            -4.8
1/BITRATE(4096 BPS, Telemetry)                 dB-bps       -36.1
IMPLEMENTATION LOSS                            dB              -3
RECEIVED Eb/No                                 dB           31.22
REQUIRED Eb/No                                 dB            11.3
Eb/No MARGIN                                   dB           13.16

Budget for Ku Telemetry (Downlink)
S/C EIRP                                       dBW           12.4
PATH LOSS                                      dB          -205.8
RAIN LOSS                                      dB           -7.73
ATMOSPHERIC LOSS                               dB            -0.4
POLARIZATION LOSS                              dB            -0.1
GROUND STATION POINTING LOSS                   dB            -0.1
GROUND STATION G/T                             dB/K         38.32
BOLTZMANN CONSTANT                             dB-Hz K/W    228.6
CARRIER TO NOISE DENSITY                       dB-Hz         65.2
MODULATION LOSS                                dB           -10.6
1/BITRATE(4096 BPS, Telemetry)                 dB-bps       -36.1
IMPLEMENTATION LOSS                            dB              -3
RECEIVED Eb/No                                 dB           15.48
REQUIRED Eb/No                                 dB            11.3
Eb/No MARGIN                                   dB            4.18



Document Created: 2008-01-30 13:46:51
Document Modified: 2008-01-30 13:46:51

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