THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SGR-ReSI -
Full Name Space GNSS Receiver - Remote Sensing Instrument Status Operational
Instrument Agencies UKSA Maturity
Instrument Type Scatterometers Geometry Nadir-viewing
Instrument Technology GNSS receiver Sampling Sounding
Data Access Data Format
Measurements and Applications Ocean winds, waves, soil moisture, flooding, ice, snow
Resolution Summary 20-50 km for diffuse scattering, higher resolution for coherent reflections
[Best Resolution: 500m]
Swath Summary Tracks sampled up to approx 700 km apart, wider possible with different antenna
[Max Swath: 700 km]
Accuracy Summary Approx 2 m/s wind speed accuracy (lower winds), target 10% for higher winds
Waveband Summary L-Band (1575 MHz)
L-Band (2 - 1 GHz)
Instrument Measurements
CategoryParameterAccuracy
Ocean surface windsWind speed over sea surface (horizontal) 
Ocean wave height and spectrumSignificant wave height 
Sea ice cover, edge and thicknessSea-ice cover 
Sea-ice thickness 
Sea-ice Concentration 
Soil moistureSoil moisture at the surface 
Instrument Missions
TDS-1 - TechDemoSat-1 (2014 - 2019)
Copyright CEOS | About | Site Search | Report an Issue Researched and written by Symbios