Attachment Schedule S document

This document pretains to SES-LFS-20080512-00595 for License to use Foreign Satellite (earth) on a Satellite Earth Station filing.

IBFS_SESLFS2008051200595_641065

_QPSK1_MP


ECHOSTAR-6 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)            27,647                     27,647                     27,647
FEC Rate                                                                3/4                        3/4                        3/4
Reed-Solomon Ratio (188/204, None)                                   188/204                    188/204                    188/204
Overall Coding Overhead                            (%)                44.7%                      44.7%                      44.7%
Modulation Type (BPSK/QPSK/8PSK/16QAM)                                QPSK                       QPSK                       QPSK
Filter Roll-off Factor ("alpha")                   (%)                  20                         20                         20
k Geometry:
Satellite Longitude                                (°East)            -72.7                       -72.7                     -72.7
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)              38,407                     38,407                     38,407
Tx E/S Elevation to Satellite                      (°)                 32.3                       32.3                       32.3
Tx E/S Altitude                                    (m)               1876.0                     1876.0                     1876.0
Rx E/S City Location                               (name)             Miami                    New York                 Los Angeles
Rx E/S Longitude                                   (°East)            -80.3                      -74.0                      -118.2
Rx E/S Latitude                                    (°North)            25.9                       40.8                       34.0
Rx E/S Range to Satellite                          (km)              36,589                     37,565                     38,804
Rx E/S Elevation to Satellite                      (°)                 58.6                       42.9                       27.9
Rx E/S Altitude                                    (m)                  1.0                       15.0                       33.0
ink (per carrier):
Carrier Frequency                                  (MHz)             17,550                     17,550                     17,550
HPA Power Level (to give required PFD at satellite) (W)                45.1                       27.3                       27.3
HPA Power in dBW                                   (dBW)               16.5                       14.4                       14.4
Post-HPA Losses                                    (dB)                 2.0                        2.0                        2.0
Tx E/S Power to Antenna in dBW                     (dBW)               14.5                       12.4                       12.4
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)               80.2                       78.1                       78.1
E/S Pointing Loss                                  (dB)                 0.1                        0.1                        0.1
Atmospheric Loss                                   (dB)                0.36                       0.36                       0.36
Availability up                                    (%)                 99.8                       99.9                       99.9
Rain attenuation (ITU-R Rec. P.618-8)              (dB)                 4.9                        2.7                        2.7



Document Created: 2008-05-13 14:22:16
Document Modified: 2008-05-13 14:22:16

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