THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - MSMR -
Full Name Multifrequency Scanning Microwave Radiometer Status No longer operational
Instrument Agencies ISRO Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Sea surface temperature, ocean surface winds, cloud liquid water, precipitation over ocean.
Resolution Summary 40 m at 21 GHz to 120 m at 6.6 GHz, Wind speed: 75 x 75 km, Sea surface temparature: 146 x 150 km
[Best Resolution: 40m]
Swath Summary 1360 km
[Max Swath: 1360 km]
Accuracy Summary Sea surface temparature: 1.5 K, Sea surface wind speed: 1.5 m/s
Waveband Summary Microwave: 6.6 GHz, 10.6 GHz, 18 GHz and 21 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric WindsWind profile (horizontal) 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Multi-purpose imagery (ocean)Ocean imagery and water leaving radiance 
Ocean surface windsWind vector over sea surface (horizontal) 
Ocean topography/currentsOcean dynamic topography 
Sea ice cover, edge and thicknessSea-ice cover 
Sea-ice thickness 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
IRS-P4 - OCEANSAT-1 (1999 - 2006)
OCEANSAT-1 - Ocean Satellite-1 (1999 - 2010)
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