THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - TOPEX -
Full Name TOPEX NASA Radar Altimeter Status No longer operational
Instrument Agencies NASA Maturity
Instrument Type Radar altimeters Geometry
Instrument Technology Radar altimeter Sampling Other
Data Access Data Format
Measurements and Applications Measurement of global ocean surface topography.
Resolution Summary
Swath Summary 6 km
Accuracy Summary 2.4 cm
Waveband Summary Microwave: 126 GHz and 5.3 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
CategoryParameterAccuracy
Ocean topography/currentsOcean dynamic topography 
Instrument Missions
Topex-Poseidon - Topographic Experiment/Poseidon (1992 - 2006)
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