PanAmSat 4

USA

Also called: Intelsat IS-4, PAS-4

Launch data:

Designation23636 / 95040A
Launch date03 Aug 1995 - 22:58 UT
Launch site Ko, ELA2
Launch vehicle  Ariane 42L (V76)
MissionCommercial: Communications
Geostationary orbit:
Perigee / Apogee 35774 x 35798 km
Eccentricity 2,85E-04
Inclination 0 deg
Period 1436.09 min

The primary control processor failed in Nov 1998.

Specifications

Prime contractorHughes (Boeing Satellite Systems?)
PlatformHS-601
OperatorPanAmSat (Intelsat, Ltd)
Mass at launch3043 (2920?) kg
Dry mass1671 kg
Mass in orbit1727 kg (BOL)
Dimensionstowed: 2.7 x 3.6 x 4 m
Solar array26 m span
Stabilization3-axis
DC powerBOL: 4700 W
EOL: 4300 W
Beacons4.1990& 4.1995 GHz (0 dBW)
12.5 GHz (5 dBW, RHCP + LHCP)
Design lifetime15 years

Location:

DatePositionRemarks
  68.5° E 
 01 Oct 2009  72.05° E 


C-band

Main transponders 16
Backup transponders 4
Power 30 W (SSPA)
Bandwidth 12 transponders of 54 MHz
4 transponders of 64 MHz
Coverage and
EIRP max 		Africa
South Asia/Middle East: Horizontal or Vertical
Asia
Polarization Linear H/V
Frequencies Uplink: 5.925-6.425 GHz
Downlink: 3.700-4.200 GHz

Downlink transponder frequency chart (GHz)

Vertical
Downlink 		Transponder Horizontal
Downlink 		Bandwidth (MHz) Beam
  1 3.730 54 South Asia/Middle East
3.730 2   54 Africa or South Asia/Middle East
  3 3.790 54 South Asia/Middle East
3.790 4   54 Asia
  5 3.850 54 South Asia/Middle East
3.850 6   54 Africa or South Asia/Middle East
  7 3.915 64 South Asia/Middle East
3.915 8   64 Asia
  9 3.980 54 South Asia/Middle East
3.980 10   54 Africa
  11 4.040 54 South Asia/Middle East
4.040 12   54 Africa or South Asia/Middle East
  13 4.100 54 South Asia/Middle East
4.100 14   54 Africa
  15 4.165 64 South Asia/Middle East
4.165 16   64 Africa or South Asia/Middle East

Uplink transponder frequency chart (GHz)

Horizontal
Uplink 		Transponder Vertical
Uplink 		Bandwidth (MHz) Beam
  1  5.955 54 South Asia/Middle East
5.955 2    54 India/Asia/Australia or Africa/Europe
  3  6.015 54 South Asia/Middle East
6.015 4    54 India/Asia/Australia or Africa/Europe
  5  6.075 54 South Asia/Middle East
6.075 6    54 India/Asia/Australia or Africa/Europe
  7  6.140 64 South Asia/Middle East
6.140 8    64 India/Asia/Australia or Africa/Europe
  9  6.205 54 South Asia/Middle East
6.205 10   54 India/Asia/Australia
  11 6.265 54 South Asia/Middle East
6.265 12   54 India/Asia/Australia or Africa/Europe
  13 6.325 54 South Asia/Middle East
6.375 14   54 India/Asia/Australia or Africa/Europe
  15 6.390 64 South Asia/Middle East
6.390 16   64 India/Asia/Australia or Africa/Europe

Ku-band

Main transponders 24
Backup transponders 6 
Power 60 W (TWTA)
Bandwidth 16 transponders of 27 MHz
6 transponders of 54 MHz
2 transponders of 64 MHz
Coverage and
EIRP max 		Europe/Russia
North East Asia
Middle East
India
South-Africa
Polarization Linear H/V
Frequencies Uplink: 14.00-14.500 GHz
Downlink: 11.450-11.700 GHz and 12.250-12.750 GHz

Downlink transponder frequency chart (GHz)

Vertical
Downlink 		Transponder Horizontal
Downlink 		Bandwidth (MHz) Beam
  17 11.464 27 Middle East (if not Europe)
11.464 17   27 Europe (if not ME)
  19 11.524 27 Middle East (if not Europe)
11.524 19   27 Europe (if not ME)
  21 11.584 27 Middle East (if not Europe)
11.584 21   27 Europe (if not ME)
  23 11.649 27 Middle East (if not Europe)
11.649 23   27 Europe (if not ME)
         
12.266 9    27 India
  10 12.296 27 India
12.326 11   27 India
  12 12.356 27 India
12.386 13   27 India
  14 12.416 27 India
12.451 15   27 India
    12.481 27 India
         
  1  12.531 54 South-Africa
12.531 5    54 South-Africa or Europe
  18 12.546 27 India or Asia
  2  12.591 54 South-Africa
12.591 6    54 South-Africa or Europe
  20 12.606 27 India or Asia
  3  12.651 54 South-Africa
12.651 7    54 South-Africa or Europe
  22 12.666 27 India or Asia
  4  12.716 64 South-Africa
12.716 8    64 South-Africa or Europe
  24 12.731 27 India or Asia

Uplink transponder frequency chart (GHz)

Vertical
Uplink 		Transponder Horizontal
Uplink 		Bandwidth (MHz) Beam
14.029 1    54 Europe/South-Africa/Asia
  9  14.014 27 Europe/Middle East/India/Asia
  10 14.044 27 Europe/Middle East/India/Asia
14.089 2    54 Europe/South-Africa/Asia
  11 14.074 27 Europe/Middle East/India/Asia
  12 14.104 24 Europe/Middle East/India/Asia
14.149 3    54 Europe/South-Africa/Asia
  13 14.134 27 Europe/Middle East/India/Asia
  14 14.164 27 Europe/Middle East/India/Asia
14.214 4    64 Europe/South-Africa/Asia
  15 14.199 27 Europe/Middle East/India/Asia
  16 14.229 27 Europe/Middle East/India/Asia
14.279 5    54 Europe/South-Africa/Asia
  17 14.264 27 Europe/Middle East/India/Asia
  18 14.294 27 Europe/Middle East/India/Asia
14.339 6    54 Europe/South-Africa/Asia
  19 14.324 27 Europe/Middle East/India/Asia
  20 14.354 27 Europe/Middle East/India/Asia
14.399 7    54 Europe/South-Africa/Asia
  21 14.384 27 Europe/Middle East/India/Asia
  22 14.414 27 Europe/Middle East/India/Asia
14.464 8    64 Europe/South-Africa/Asia
  23 14.449 27 Europe/Middle East/India/Asia
  24 14.479 27 Europe/Middle East/India/Asia

16 Ku-band; Asia, Africa, Middle East, Europe.

Mission details:

Ref: #3(SD448), #7, #15, #226 - update: 22.11.10