THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - Imager (INSAT 3D) -
Full Name Very High Resolution Radiometer Status Operational
Instrument Agencies ISRO Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Nadir-viewing
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Cloud cover, severe storm warnings/monitoring day and night (type, amount, storm features), atmospheric radiance winds, atmospheric stability rainfall.
Resolution Summary 1 x 1 km (VIS and SWIR), 4 x 4 km (MWIR, TIR), 8 x 8 km (in 6.50 - 7.00 µm)
[Best Resolution: 1000m]
Swath Summary Full Earth disc and space around, Normal Frame (50 deg. N to 40 deg. S and full E-W coverage), Program Frame (Programmable, E-W Full coverage)
Accuracy Summary
Waveband Summary VIS: 0.55 - 0.75 µm; SWIR: 1.55 - 1.7 µm; MWIR: 3.80 - 4.00 µm, 6.50 - 7.00 µm; TIR: 10.2 - 11.3 µm, 11.5 - 12.5 µm
VIS (~0.40 µm - ~0.75 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Atmospheric WindsWind profile (horizontal)
Radiation budgetUpwelling (Outgoing) long-wave radiation at Earth surface
Snow cover, edge and depthSnow cover
Snow surface temperature
Surface temperature (land)Land surface temperature
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Land Surface Temperature click here click here search ECV Inventory records
Snow click here click here search ECV Inventory records
Wind speed and direction (upper-air) click here click here search ECV Inventory records
Instrument Missions
INSAT-3D - Indian National Satellite - 3D (2013 - 2020)
INSAT-3DR - Indian National Satellite - 3DR (repeat) (2016 - 2025)
INSAT-3DS - Indian National Satellite - 3DS (2022 - 2029)
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