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Insat 3A



General


Designation 27714 / 03013A
Launch date 9 Apr 2003
Country of origin India
Mission Telecommunications and meteorology
Geostationary orbit see below
Launch vehicle Ariane V160

Launch cost: less than $74 million. Operational in late May 2003.

Location


Begin End Position
L: Apr 2003 Nov 2016 93.5°E


End of life


Out of service Nov 2016
Cause EOL


External resources


sat-index articles


Technical data


Lyngsat transponder loading



Specifications


Prime contractor ISRO
Platform INSAT 3
Mass at launch 2950 kg
Dry mass 1350 kg
Dimension 2.8 x 1.7 x 2 m (24.4 m span deployed)
Solar array single panel
Stabilization 3-axis
DC power EOL: 3230 W
Design lifetime 12 years

Has a meteorology payload (VHRR + CCD camera + data relay):
VHRR downlinks at 4.5015 GHz V with Indian coverage
CCD downlinks at 4.50893 GHz V with Indian coverage
DTR uplinks global at 402.75 MHz LHCP and downlinks to India at 4.5042 GHz V

Has a Sarsat transponder. Uplinks global on 406.025 MHz RHCP and downlinks to India at 4.5057 GHz V

C-band


Main transponders 12 + 6 (extended)
Backup transponders  
Power  
Bandwidth 36 MHz
Coverage & EIRP max Quasi global
(9 transp) Wide beam: 38 dBW
(9 transp) India (India, Bengladesh, Bhutan, Nepal): 37 dBW
G/T max -5
Polarization H/V crosspol
Frequencies extended: uplink: 6.755-6.995 GHz;downlink: 4.530-4.770 GHz
standard: uplink: 5.950-6.410 GHz; downlink: 3.725-4.185 GHz


Non-verified, Non-official, transponder frequency chart (GHz)


Horizontal
Uplink
Horizontal
Downlink
Channel Vertical
Downlink
Vertical
Uplink
5.970   3.745  
6.010   3.785  
6.050   3.825  
6.090   3.865  
6.130   3.905  
6.170   3.945  
6.210   3.985  
6.250   4.025  
6.290   4.065  
6.330   10 4.105  
6.370   11 4.145  
6.410   12 4.185  
         
6.775     4.550  
6.815     4.590  
6.855     4.630  
6.895     4.670  
6.935     4.710  


Ku-band


Main transponders
Backup transponders  
Power  
Bandwidth 36 MHz
Coverage India, Bengladesh, Bhutan, Nepal
EIRP max 47.5 dBW
G/T max  
Polarization H/V crosspol
Frequencies uplink: 14.250-14.500 GHz
downlink: 11.450-11.700 GHz

Beacon: 11.6995 GHz LHCP

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