Attachment Schedule S document

This document pretains to SAT-MOD-20050621-00130 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2005062100130_438874

                                       EXHIBIT 5 : GALAXY-9 LINK BUDGETS


UPLINK BEAM INFORMATION
Uplink Beam Name                                  CONUS        CONUS
Uplink Frequency (MHz)                             6185         6185
Uplink Beam Polarization                          Vertical     Vertical
Uplink Relative Contour Level (dB)                   6            6
Uplink Contour G/T (dB/K)                           -1.3         -1.3
Uplink SFD (dBW/m2)                                -87.0        -87.0

DOWNLINK BEAM INFORMATION
Downlink Beam Name                                CONUS        CONUS
Downlink Frequency (MHz)                           3960         3960
Downlink Beam Polarization                       Horizontal   Horizontal
Downlink Relative Contour Level (dB)                 4            4
Downlink Contour EIRP (dBW)                        38.0         38.0

ADJACENT SATELLITE 1
Satellite 1 Orbital Location                       89 WL       89 WL
Uplink Power Density (dBW/Hz)                        -44         -44
Uplink Polarization Advantage (dB)                    0           0
Downlink EIRP Density (dBW/Hz)                      -31.5       -31.5
Downlink Polarization Advantage (dB)                  0           0

ADJACENT SATELLITE 2
Satellite 2 Orbital Location                       93 WL       93 WL
Uplink Power Density (dBW/Hz)                        -44         -44
Uplink Polarization Advantage (dB)                    0           0
Downlink EIRP Density (dBW/Hz)                      -32.5       -32.5
Downlink Polarization Advantage (dB)                  0           0

CARRIER INFORMATION
Carrier ID                                        36M0F3F     30M1G7W
Information Rate (kbps)                             n/a         36863
Carrier Modulation                                 TV/FM        QPSK
Peak to Peak Bandwidth of EDS (MHz)                   4          n/a
Code Rate                                           n/a        3/4xRS
Occupied Bandwidth (kHz)                           36000        30133
Allocated Bandwidth (kHz)                          36000        36000
Minimum C/N, Rain (dB)                               10          6.1

UPLINK EARTH STATION
Earth Station Diameter (meters)                    8.1          8.1
Earth Station Gain (dBi)                           52.8         52.8
Earth Station Elevation Angle                       20           20

DOWNLINK EARTH STATION
Earth Station Diameter (meters)                    6.1          3.5
Earth Station Gain (dBi)                           46.5         41.1


Earth Station G/T, Clear Sky (dB/K)                              26.2                  21.0
Earth Station Elevation Angle                                     20                    20

UPLINK PERFORMANCE
Uplink Earth Station EIRP (dBW)                                   75.9                  75.9
Uplink Path Loss, Clear Sky (dB)                                -200.2                -200.2
Satellite G/T (dB/K)                                              -1.3                  -1.3
Boltzman Constant (dBW/K-Hz)                                     228.6                 228.6
Carrier Noise Bandwidth (dB-Hz)                                  -75.6                 -74.8
Uplink C/N (dB)                                                   27.4                  28.2

DOWNLINK PERFORMANCE
Downlink EIRP per Carrier (dBW)                                   38.0                  38.0
Antenna Pointing Error (dB)                                       -0.5                  -0.5
Downlink Path Loss, Clear Sky (dB)                              -196.4                -196.4
Earth Station G/T, Clear Sky (dB/K)                               26.2                  21.0
Boltzman Constant (dBW/K-Hz)                                     228.6                 228.6
Carrier Noise Bandwidth (dB-Hz)                                  -75.6                 -74.8
Downlink C/N (dB)                                                 20.4                  16.0

COMPOSITE LINK PERFORMANCE
C/N Uplink (dB)                                                  27.4                  28.2
C/N Downlink (dB)                                                20.4                  16.0
C/I Intermodulation (dB)                                         n/a                   n/a
C/I Uplink Co-Channel (dB)*                                      27.0                  27.0
C/I Downlink Co-Channel (dB)*                                    27.0                  27.0
C/I Uplink Adjacent Satellite 1 (dB)                             19.8                  20.5
C/I Downlink Adjacent Satellite 1 (dB)                           17.3                  9.1
C/I Uplink Adjacent Satellite 2 (dB)                             20.9                  21.7
C/I Downlink Adjacent Satellite 2 (dB)                           21.4                  17.3

C/(N+I) Composite (dB)                                            12.3                   7.3
Required System Margin (dB)                                       -1.0                  -1.0
Net C/(N+I) Composite (dB)                                        11.3                   6.3
Minimum Required C/N (dB)                                        -10.0                  -6.1
Excess Link Margin (dB)                                            1.3                   0.1

Carrier Density Levels
Uplink Power Density (dBW/Hz)                                    -42.9                 -51.7
Downlink EIRP Density At Beam Peak (dBW/Hz)                      -24.0                 -32.8


* Note: The C/I level is adjusted depending on the signal level and transponder mode of operation.


S



    CONUS        CONUS         CONUS        CONUS        CONUS
     6185         6185          6165         6165         6165
    Vertical     Vertical     Horizontal   Horizontal   Horizontal
       6            6             6            6            6
      -1.3         -1.3          -2.6         -2.6         -2.6
     -85.0        -85.0         -85.7        -85.7        -85.7


     CONUS        CONUS       CONUS        CONUS        CONUS
      3960         3960        3940         3940         3940
    Horizontal   Horizontal   Vertical     Vertical     Vertical
        4            4           4            4            4
      38.0         38.0        36.8         36.8         36.8


     89 WL        89 WL        89 WL        89 WL        89 WL
       -44          -44          -44          -44          -44
        0            0            0            0            0
      -31.5        -31.5        -31.5        -31.5        -31.5
        0            0            0            0            0


     93 WL        93 WL        93 WL        93 WL        93 WL
       -44          -44          -44          -44          -44
        0            0            0            0            0
      -32.5        -32.5        -32.5        -32.5        -32.5
        0            0            0            0            0


    7M00G7W      75K4G7W      36M0F3F      30M1G7W      7M00G7W
      5706           64         n/a          36863        5706
      QPSK         QPSK        TV/FM         QPSK         QPSK
       n/a          n/a           4           n/a          n/a
     1/2xRS       1/2xRS        n/a         3/4xRS       1/2xRS
      6997          75.4       36000         30133        6997
      9000          100        36000         36000        9000
       3.4          3.0          10           6.1          3.4


      8.1          8.1          8.1          8.1          8.1
      52.8         52.8         52.8         52.8         52.8
       20           20           20           20           20


      3.5          3.5          6.1          3.7          3.7
      41.1         41.1         46.5         41.2         41.2


21.0     21.0     26.2     20.9     20.9
 20       20       20       20       20


  65.6     45.6     77.2     77.2     64.9
-200.2   -200.2   -200.2   -200.2   -200.2
  -1.3     -1.3     -2.6     -2.6     -2.6
 228.6    228.6    228.6    228.6    228.6
 -68.4    -48.8    -75.6    -74.8    -68.4
  24.2     23.9     27.4     28.2     22.3


  29.1      9.0     36.8     36.8     27.9
  -0.5     -0.5     -0.5     -0.5     -0.5
-196.4   -196.4   -196.3   -196.3   -196.3
  21.0     21.0     26.2     20.9     20.9
 228.6    228.6    228.6    228.6    228.6
 -68.4    -48.8    -75.6    -74.8    -68.4
  13.4     13.0     19.2     14.7     12.1


24.2     23.9     27.4     28.2     22.3
13.4     13.0     19.2     14.7     12.1
17.0     16.6     n/a      n/a      17.0
28.7     28.2     27.0     27.0     28.7
28.7     28.2     27.0     27.0     28.7
16.6     16.2     21.1     21.8     15.9
6.5      6.2      16.1     9.9      7.3
17.7     17.3     22.2     23.0     17.0
14.7     14.4     20.1     16.1     13.5

  4.4      4.0     11.8      7.5      4.4
 -1.0     -1.0     -1.0     -1.0     -1.0
  3.4      3.0     10.8      6.5      3.4
 -3.4     -3.0    -10.0     -6.1     -3.4
  0.0      0.0      0.8      0.4      0.0


-55.6    -56.0    -41.6    -50.4    -56.3
-35.3    -35.8    -25.2    -34.0    -36.5


 CONUS
  6165
Horizontal
    6
   -2.6
  -85.7


CONUS
 3940
Vertical
   4
 36.8


 89 WL
   -44
    0
  -31.5
    0


 93 WL
   -44
    0
  -32.5
    0


75K4G7W
    64
  QPSK
   n/a
 1/2xRS
   75.4
   100
   3.0


  8.1
  52.8
   20


  3.7
  41.2


20.9
 20


  44.9
-200.2
  -2.6
 228.6
 -48.8
  21.9


   7.8
  -0.5
-196.3
  20.9
 228.6
 -48.8
  11.7


21.9
11.7
16.6
28.2
28.2
15.5
6.9
16.6
13.1

  4.0
 -1.0
  3.0
 -3.0
  0.0


-56.7
-37.0



Document Created: 2005-06-28 09:39:02
Document Modified: 2005-06-28 09:39:02

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