THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - WSAR -
Full Name WSAR Status Proposed
Instrument Agencies NSOAS, CAST Maturity
Instrument Type Imaging microwave radars Geometry TBD
Instrument Technology Imaging radar (SAR) Sampling Other
Data Access Data Format
Measurements and Applications High resolution radar measurements of land and ocean features.
Resolution Summary 3 modes: 1 m, 5 m, 10 m
[Best Resolution: 1m]
Swath Summary 3 swaths: 40 km, 80 km, 150 km
[Max Swath: 150 km]
Accuracy Summary
Waveband Summary X-Band: 8 - 12 GHz
MW (~1.0 cm - ~100 cm)
X-Band (12.5 - 8 GHz)
Instrument Measurements
CategoryParameterAccuracy
Albedo and reflectanceEarth surface albedo 
Ice sheet topographySea-ice sheet topography 
Landscape topographyLand surface topography 
Multi-purpose imagery (land)Land surface imagery 
Multi-purpose imagery (ocean)Ocean imagery and water leaving radiance 
Sea ice cover, edge and thicknessSea-ice cover 
Sea-ice type 
Glacier cover 
Glacier motion 
Snow cover, edge and depthSnow cover 
VegetationVegetation type 
Instrument Missions
HY-3B - HY-3B (2017 - 2022)
HY-3A - HY-3A (2019 - 2024)
HY-3C - HY-3C (2022 - 2027)
HY-3D - HY-3D (2024 - 2028)
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