BackForward Satellite: INSAT-3A 

Satellite details
Acronym INSAT-3A
Full name Indian National Satellite - 3A
WIGOS Station Identifier ---
Satellite Description
  • 4th flight unit of the INSAT-3 series.
  • Missions: operational meteorology and telecommunication
Mass at launch 2950 kg Dry mass 1348 kg
Power 3100 W
Data access link no link provided
Data access information

Data not available

Orbit Geostationary orbit Altitude 35786 km
Longitude 93.5° E


Space agency IMDISRO
Status Inactive
Details on Status
(as available)
Launch 10 Apr 2003 EOL Sep 2016
Last update: 2017-07-17
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on INSAT-3A

Acronym Full name
CCD Charge Coupled Device Camera
DCS Data Collection Service
SAS&R Advanced Aided Search & Rescue
VHRR Very High Resolution Radiometer
Show instrument status and calibration
Satellite Field of View

Estimate of the satellite's footprint, assuming a zenith angle of 75 °
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Satellite frequencies for Earth Observation, data transfer and platform communications and control
Frequencies for satellite management
Service Direction Frequency (MHz) Emission designator Bandwidth (kHz) Polarisation D/A Data rate (kbps) or Baseband (kHz) Comments
SAS & R E-S 406.025 MHz 80K0G1D 80 kHz RHCP D 0.4  kbps Distress messages
SAS & R S-E 4505.7 MHz 80K0G1D 80 kHz linear D 0.4  kbps Distress messages to LUT
Frequencies for scientific data acquisition and communication services at ground stations
Service Direction Frequency (MHz) Bandwidth (kHz) Polarisation D/A Data rate (kbps) or Baseband (kHz) Comments
CDAS S-E 4501.5 MHz 500 kHz linear D 526.5  kbps VHRR raw data
CDAS S-E 4508.93 MHz 500 kHz linear D 1288.5  kbps CCD raw data
DRT E-S 402.75 MHz 180 kHz LHCP D 4.8  kbps DCP reports
DRT S-E 4504.2 MHz 180 kHz linear D 4.8  kbps DCP relay