Attachment Schedule S document

This document pretains to SAT-MOD-20081003-00199 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2008100300199_668991

_8PSK_MP


ECHOSTAR-5 Link Budgets

                                                                              Medium Power Mode
            Link Parameters                                             1                          2                          3
                                                              13 meter Feeder Link E/S   13 meter Feeder Link E/S   13 meter Feeder Link E/S

                                                              Nominal Feeder Link Site   Nominal Feeder Link Site   Nominal Feeder Link Site

                                                                         to                         to                         to
                                                                45 cm Receive-Only         45 cm Receive-Only         45 cm Receive-Only

dulation Parameters:
nformation Bit Rate per Carrier                    (kbps)            41,200                     41,200                     41,200
FEC Rate                                                                2/3                        2/3                        2/3
Overall Coding Overhead                            (%)                56.5%                      56.5%                      56.5%
Modulation Type (BPSK/QPSK/8PSK/16QAM)                                8PSK                       8PSK                       8PSK
Filter Roll-off Factor ("alpha")                   (%)                  20                         20                         20
k Geometry:
Satellite Longitude                                (°East)            -148.0                     -148.0                     -148.0
Tx E/S City Location                               (name)          Cheyenne                   Cheyenne                   Cheyenne
Tx E/S Longitude                                   (°East)            -104.7                     -104.7                     -104.7
Tx E/S Latitude                                    (°North)            41.1                       41.1                       41.1
Tx E/S Range to Satellite                          (Km)              39,032                     39,032                     39,032
Tx E/S Elevation to Satellite                      (°)                 25.4                       25.4                       25.4
Tx E/S Altitude                                    (m)               1876.0                     1876.0                     1876.0
Rx E/S City Location                               (name)            Houston                    Denver                  Los Angeles
Rx E/S Longitude                                   (°East)             -95.3                     -105.0                     -118.2
Rx E/S Latitude                                    (°North)            29.8                       39.8                       34.0
Rx E/S Range to Satellite                          (km)              39,186                     38,937                     37,838
Rx E/S Elevation to Satellite                      (°)                 23.8                       26.4                       39.3
Rx E/S Altitude                                    (m)                 10.0                     1631.0                       33.0
ink (per carrier):
Carrier Frequency                                  (MHz)             17,550                     17,550                     17,550
HPA Power Level (to give required PFD at satellite) (W)               134.0                      134.0                      134.0
HPA Power in dBW                                   (dBW)               21.3                       21.3                       21.3
Post-HPA Losses                                    (dB)                 2.0                        2.0                        2.0
Tx E/S Power to Antenna in dBW                     (dBW)               19.3                       19.3                       19.3
Tx E/S Antenna Diameter                            (m)                 13.0                       13.0                       13.0
Antenna Efficiency                                 (%)                  65                         65                         65
Tx E/S Antenna Gain                                (dB)                65.7                       65.7                       65.7
Tx E/S EIRP                                        (dBW)               85.0                       85.0                       85.0
E/S Pointing Loss                                  (dB)                 0.1                        0.1                        0.1
Atmospheric Loss                                   (dB)                0.45                       0.45                       0.45
Availability up                                    (%)                99.9                       99.9                       99.9
Rain attenuation                                   (dB)                3.9                        3.9                        3.9
Free Space Loss                                    (dB)               209.2                      209.2                      209.2



Document Created: 2008-10-07 12:59:03
Document Modified: 2008-10-07 12:59:03

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