THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - AMI/Scatterometer -
Full Name Active Microwave Instrumentation. Wind mode Status No longer operational
Instrument Agencies ESA Maturity
Instrument Type Scatterometers Geometry Side-looking
Instrument Technology Radar scatterometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Measurements of wind fields at the ocean surface, wind direction (range 0 - 360 deg), wind speed (range 1 - 30 m/s).
Resolution Summary Cells of 50 x 50 km at 25 km intervals
Swath Summary 500 km
Accuracy Summary Sea surface wind speed: 3 m/s, Sea ice type: 2 classes
Waveband Summary Microwave: 5.3 GHz (C-band), VV polarisation
MW (~1.0 cm - ~100 cm)
C-Band (8 - 4 GHz)
Instrument Measurements
CategoryParameterAccuracy
Ocean surface windsWind vector over sea surface (horizontal) 
Sea ice cover, edge and thicknessSea-ice cover 
Sea-ice type 
Soil moistureSoil moisture at the surface 
VegetationVegetation type 
Instrument Missions
ERS-1 - European Remote Sensing satellite - 1 (1991 - 2000)
ERS-2 - European Remote Sensing satellite - 2 (1995 - 2011)
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