THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SAR (RISAT) -
Full Name Synthetic Aperature Radiometer (RISAT) Status Operational
Instrument Agencies ISRO Maturity
Instrument Type Imaging microwave radars Geometry Side-looking
Instrument Technology Imaging radar (SAR) Sampling Imaging
Data Access Constrained Access Data Format
Measurements and Applications Radar backscatter measurements of land, water and ocean surfaces for applications in soil moisture, crop applications (under cloud cover), terrain mapping, etc.
Resolution Summary 3 - 6 m (FRS-1), 9 - 12 m (FRS-2), 25/50 m (MRS/CRS)
[Best Resolution: 3m]
Swath Summary 30 km (HRS), 30 km (FRS-1/FRS-2), 120/240 km (MRS/CRS)
[Max Swath: 240 km]
Accuracy Summary
Waveband Summary C-Band (5.350 Ghz)
MW (~1.0 cm - ~100 cm)
C-Band (8 - 4 GHz)
Instrument Measurements
Measurements Overview
CategoryParameter
Albedo and reflectanceEarth surface albedo
Ice sheet topographySea-ice sheet topography
Multi-purpose imagery (land)Land surface imagery
Ocean topography/currentsOcean dynamic topography
Sea ice cover, edge and thicknessSea-ice cover
Snow cover, edge and depthSnow cover
Soil moistureSoil moisture at the surface
VegetationVegetation type
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Albedo click here click here search ECV Inventory records
Sea Ice click here click here search ECV Inventory records
Sea Level click here click here search ECV Inventory records
Snow click here click here search ECV Inventory records
Soil Moisture click here click here search ECV Inventory records
Instrument Missions
RISAT-1 - Radar Imaging Satellite (2012 - 2018)
RISAT-1A - Radar Imaging Satellite (2021 - 2025)
RISAT-1B - Radar Imaging Satellite (2022 - 2024)
Copyright CEOS | About | Site Search | Report an Issue Researched and written by Symbios