CEOS EO HANDBOOK – INSTRUMENT SUMMARY - ASAR (wave mode) -
Full Name Advanced Synthetic Aperture Radar (Wave mode) Status No longer operational
Instrument Agencies ESA Maturity
Instrument Type Imaging microwave radars Geometry Cross-track scanning
Instrument Technology Imaging radar (SAR) Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Measurements of ocean wave spectra.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
MW (~0.1 cm - ~100 cm)
C-Band (8 - 4 GHz)
Instrument Measurements
Measurements Overview
CategoryParameter
Ocean surface windsWind speed over sea surface (horizontal)
Wind vector over sea surface (horizontal)
Ocean topography/currentsOcean surface currents (vector)
Ocean wave height and spectrumSignificant wave height
Dominant wave period
Dominant wave direction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea State click here click here search ECV Inventory records
Surface Currents click here click here search ECV Inventory records
Instrument Missions
Envisat - Environmental Satellite (2002 - 2012)