Attachment Schedule S document

This document pretains to SAT-LOA-20071221-00183 for Application to Launch and Operate on a Satellite Space Stations filing.

IBFS_SATLOA2007122100183_618924

AMC-14 DBS Link Budget
                                                             (Normal Mode)                    (High-Powered Mode)
                Link Parameters                         Clear Sky    Faded D/L   Faded D/L    Clear Sky    Faded D/L   Faded D/L
                                                       (New York)   (New York)    (Miami)    (New York)   (New York)    (Miami)

Link Geometry:
   Tx E/S Range to Satellite (Cheyenne)      (km)        39,033       39,033      39,033       39,033       39,033      39,033
   Rx E/S Range to Satellite                 (km)        37,686       37,686      36,882       37,686       37,686      36,882
Uplink (per carrier):
   Carrier Frequency                         (MHz)       17,500       17,500      17,500       17,500       17,500      17,500
   Tx E/S Antenna Diameter                   (m)          13.2         13.2        13.2         13.2         13.2        13.2
   Tx E/S Power to Antenna                   (dBW)         9.2          9.2         9.2          9.2          9.2         9.2
   Tx E/S Antenna Gain                       (dB)         65.8         65.8        65.8         65.8         65.8        65.8
   Tx E/S EIRP per Carrier                   (dBW)        75.0         75.0        75.0         75.0         75.0         75.0
   Atmospheric and Other Losses              (dB)          0.3          0.3         0.3          0.3          0.3         0.3
   Free Space Loss                           (dB)         209.1        209.1       209.1        209.1        209.1       209.1
Satellite:
   G/T towards Tx E/S                        (dB/K)        7.6          7.6         7.6          7.6         7.6         7.6
   Sat'd EIRP                                (dBW)        55.7         55.7        55.7         58.4         58.4        58.4
   EIRP towards Rx E/S                       (dBW)        53.1         53.1        53.7         55.8         55.8        56.4
Downlink (per carrier):
   Carrier Frequency                         (MHz)       12,500       12,500      12,500       12,500       12,500      12,500
   Atmospheric and Rain Losses               (dB)          0.1          4.8         5.7          0.1          5.8         7.8
   Free Space Loss                           (dB)         205.9        205.9       205.7        205.9        205.9       205.7
   Rx E/S Antenna Diameter                   (m)          0.45         0.45        0.45         0.45         0.45        0.45
   Antenna Mis-pointing Error                (dB)         0.50         0.50        0.50         0.50         0.50        0.50
   Rx E/S Antenna Gain                       (dB)         34.0         34.0        34.0         34.0         34.0        34.0
   Rx E/S G/T                                (dB/K)       13.2          9.2         9.0         13.2          8.9         8.6
   System (LNA+Sky) Noise Temp.              (K)           120          302         318          120          321         347
Total Link:
   Noise Bandwidth                           (dB-Hz)      73.2        73.2         73.2         73.2        73.2         73.2
   (C/N) - Thermal Uplink                    (dB)         28.6        28.6         28.6         28.6        28.6         28.6
   (C/N) - Thermal Downlink                  (dB)         15.2          6.5          6.1        17.9         7.9          6.4
   (C/I) - Adjacent Satellite Interference   (dB)         24.0         24.0         24.8        26.7         26.7         27.5
   (C/I) - Other Link Degradations           (dB)         22.9         22.9         22.9        22.9         22.9         22.9
   (C/N) - Total Actual                      (dB)         13.9         6.3          6.0         16.0         7.7          6.2
   (C/N) - Total Required                    (dB)          5.7          5.7          5.7         5.7         5.7          5.7
   Excess Margin                             (dB)          8.2          0.6          0.3        10.3         2.0          0.5
   Availability                              (%)          N/A         99.97        99.92        N/A         99.98        99.96



Document Created: 2008-01-30 15:31:14
Document Modified: 2008-01-30 15:31:14

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