THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - WindSat -
Full Name WindSat Status Operational
Instrument Agencies NASA Maturity
Instrument Type Multiple direction/polarisation radiometers Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling
Data Access Data Format
Measurements and Applications Demonstration of sea surface wind vector observation by polarimetric passive radiometry
Resolution Summary Changing with frequency, consistent with antenna diameters of 1.83 m
Swath Summary Conical: 50-55° zenith angle, swath 1000 km – Scan rate: 31.6 scan/min = 12.5 km/scan
[Max Swath: 1000 km]
Accuracy Summary
Waveband Summary
Ka-Band (26.5 to 40 GHz)
K-Band (18 to 26.5 GHz)
X-Band (12.5 - 8 GHz)
C-Band (8 - 4 GHz)
Instrument Measurements
CategoryParameterAccuracy
Cloud particle properties and profileCloud liquid water (column/profile) 
Ocean surface windsWind speed over sea surface (horizontal) 
Wind vector over sea surface (horizontal) 
Radiation budgetLong-wave Earth surface emissivity 
Sea ice cover, edge and thicknessSea-ice cover 
Snow cover, edge and depthSnow melting status (wet/dry) 
Snow water equivalent 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
CORIOLIS - CORIOLIS (2003 - 2018)
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