THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Advanced Microwave Sounding Unit-B Status No longer operational
Instrument Agencies NOAA, UKSA Maturity High Heritage - Operational
Instrument Type Atmospheric temperature and humidity sounders Geometry Cross-track scanning
Instrument Technology Absorption-band MW radiometer/spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications All-weather night-day humidity sounding.
Resolution Summary 16 km
Swath Summary 2200 km
Accuracy Summary Humidity profile: 1 kg/m2,
Waveband Summary Microwave: 89 GHz, 150 GHz, 183.3± 1.0 GHz (2 bands), 183.3± 3.0 GHz (2 bands), 183.3± 7.0 GHz (2 bands)
MW (~1.0 cm - ~100 cm)
Instrument Measurements
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, HT, TC) 
Atmospheric WindsWind profile (horizontal) 
Cloud particle properties and profileCloud liquid water (TC) 
Cloud type, amount and cloud top temperatureCloud type 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Sea ice cover, edge and thicknessSea-ice cover 
Snow cover, edge and depthSnow cover 
Snow water equivalent 
Instrument Missions
NOAA-15 - National Oceanic and Atmospheric Administration - 15 (1998 - 2018)
NOAA-16 - National Oceanic and Atmospheric Administration - 16 (2000 - 2014)
NOAA-17 - National Oceanic and Atmospheric Administration - 17 (2002 - 2013)
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