THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Positioning Ocean Solid Earth Ice Dynamics Orbiting Navigator (Single frequency solid state radar altimeter) Status Operational
Instrument Agencies CNES Maturity
Instrument Type Radar altimeters Geometry Nadir-viewing
Instrument Technology Radar altimeter Sampling Sounding
Data Access Open Access Data Format NetCDF
Measurements and Applications Nadir viewing sounding radar for provision of real-time high precision sea surface topography, ocean circulation and wave height data.
Resolution Summary Basic measurement: 1/sec (6 km along track), Raw measurement: 10/sec (600 m along track)
Swath Summary On baseline TOPEX/POSEIDON orbit (10 day cycle): 300 km between tracks at equator
Accuracy Summary Sea level: 3.9 cm, Significant wave height: 0.5 m, Horizontal sea surface wind speed: 2 m/s
Waveband Summary Microwave: Ku-band (13.575 GHz), C-band (5.3 GHz)
MW (~1.0 cm - ~100 cm)
Ku-Band (12.5 to 18 GHz)
C-Band (8 - 4 GHz)
Instrument Measurements
Gravity, Magnetic and Geodynamic measurementsGeoid 
Landscape topographyLand surface topography 
Ocean surface windsWind speed over sea surface (horizontal) 
Ocean topography/currentsSea level 
Ocean wave height and spectrumSignificant wave height 
Instrument Missions
OSTM (Jason-2) - Ocean Surface Topography Mission (2008 - 2017)
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