BackForward Satellite: INSAT-3D 

Satellite details
Acronym INSAT-3D
Full name Indian National Satellite - 3D
WIGOS Station Identifier ---
Satellite Description
  • 5th flight unit of the INSAT-3 series.
  • Missions: operational meteorology.
Mass at launch 2060 kg Dry mass 907 kg
Power 1164 W
Data access link
Data access information
  • Near-real time availability of full resolution data by HRIT.
  • Availability of selected images and data by LRIT.
  • Availability of DCP messages by ground lines.
  • Alert messages of SASAR to LUT in real time.
  • Note: The link provided is to an IMD page for browsing recent images (incl animations) and products from INSAT-3D in graphical format. No access to L1 data is provided for general users.
Orbit Geostationary orbit Altitude 35786 km
Longitude 82° E


Space agency IMDISRO
Status Operational
Details on Status
(as available)
  • Sounder failed in Sept 2020
Launch 25 Jul 2013 EOL ≥2025
Last update: 2024-01-23
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-3D

Acronym Full name
DCS Data Collection Service
SAS&R Advanced Aided Search & Rescue
Show instrument status and calibration
Satellite Field of View

Estimate of the satellite's footprint, assuming a zenith angle of 75 °
You can drag the image around and zoom using the mousewheel

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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 406.05 MHz 80K0G1D 80 kHz RHCP D 0.4  kbps Distress messages
SAS & R S-E 4507 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 4781 MHz 9600 kHz linear D 3927.25  kbps IMAGER raw data
CDAS S-E 4798 MHz 96 kHz linear D 40.0  kbps SOUNDER raw data
DRT E-S 402.75 MHz 180 kHz LHCP D 4.8  kbps DCP reports
DRT S-E 4506.05 MHz 180 kHz linear D 4.8  kbps DCP relay