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 (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Atmospheric WindsWind profile (horizontal)
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Multi-purpose imagery (ocean)Ocean imagery and water leaving spectral 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
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Ocean Colour click here click here search ECV Inventory records
Precipitation 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
Sea Surface Temperature click here click here search ECV Inventory records
Wind speed and direction (upper-air) click here click here search ECV Inventory records
Instrument Missions
IRS-P4 - OCEANSAT-1 (1999 - 2010)