Full Name Microwave Radiometer Imager Status Operational
Instrument Agencies NSOAS Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Other
Data Access Data Format
Measurements and Applications Ocean wind and temperature measurements.
Resolution Summary 100 km, 62 km, 36 km, 30 km, 18 km
Swath Summary 1600 km
[Max Swath: 1600 km]
Accuracy Summary 1 K
Waveband Summary 6.6 GHz, 10.7 GHz, 18.7 GHz, 23.8 GHz, 37.0 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Ocean surface windsWind speed over sea surface (horizontal)
Sea ice cover, edge and thicknessSea-ice cover
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)
Sea Ice click here click here search ECV Inventory records
Sea Surface Temperature click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
HY-2A - Ocean dynamics satellite A (2011 - 2023)
HY-2B - Ocean dynamics satellite B (2018 - 2023)
HY-2E - Ocean dynamics satellite E (2024 - 2028)