Attachment Schedule S DOC 1

This document pretains to SAT-LOI-20140326-00034 for Letter of Intent on a Satellite Space Stations filing.

IBFS_SATLOI2014032600034_1040239

                                                        CLEAR    FADED
                                                          SKY
General
    Data rate (kbps)                       (kbps)       57236    42312
    Coding rate                            -              0.90     0.67
    Modulation                             -            QPSK     QPSK
    Carrier bandwidth                      (kHz)        32000    32000
Uplink
    Frequency                              (GHz)          28.6     28.6
    Earth Station EIRP                     (dBW)          76.4     87.0
    Antenna diameter                       m               7.5      7.5
    Antenna tx gain                        dBi            64.0     64.0
    Uplink power                           (dBW)          12.4     23.0
    Uplink p.s.d.                          (dBW/Hz)      -62.7    -52.1
    Path loss                              (dB)          213.3    213.3
    Rain loss                              (dB)            0.0     10.6
    Mean atmospheric loss                  (dB)            0.4      0.4
    Satellite G/T (EOC)                    (dB/K)          6.0      6.0
    Boltzmann constant                     (dBW/K/Hz)   -228.6   -228.6
    Up-path C/No                           (dBHz)         97.3     97.3
Downlink
    Frequency                              (GHz)         19.95    19.95
    Satellite EIRP (EOC)                   (dBW)          51.0     51.0
    Path loss                              (dB)          210.1    210.1
    Rain loss                              (dB)            0.0      3.0
    Mean atmospheric loss                  (dB)            0.4      0.4
    User terminal G/T                      (dB/K)         16.1     16.1
    T (clear sky)                          K             270.0    270.0
    G/T degradation due to rain            (dB)            0.0      1.7
    Boltzmann constant                     (dBW/K/Hz)   -228.6   -228.6
    User terminal pointing loss            (dB)            0.5      0.5
    Down-path C/No                         (dBHz)         84.7     80.0
Total
    Mean satellite C/Imo                   (dBHz)         93.0     93.0
    Co-Channel Interference                (dBHz)         94.0     94.0
    Other system interference allocation   (dB)            1.0      1.0
    Mean Overall C/No                      (dBHz)         82.5     78.5
    Mean Overall C/N                       (dB)            7.4      3.5
Margin
    C/N required                           (dB)            6.5      3.2
    Margin                                 (dB)            0.9      0.3
    Availability                           (%)             n/a   99.0%



Document Created: 2014-04-02 10:57:00
Document Modified: 2014-04-02 10:57:00

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