CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- TMR
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Full Name
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TOPEX Microwave Radiometer
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Status
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No longer operational
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Instrument Agencies
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NASA
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Maturity
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Instrument Type
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Imaging multi-spectral radiometers (passive microwave) 
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Geometry
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Instrument Technology
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Non-scanning MW radiometer
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Sampling
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Other
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Data Access
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Data Format
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Measurements and Applications
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Altimeter data to correct for errors caused by water vapour and cloud-cover. Also measures total water vapour and brightness temperature.
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Resolution Summary
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44.7 km at 18 GHz, 37.4 km at 21 GHz, 23.6 km at 37 GHz
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Swath Summary
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120 deg cone centred on nadir
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Accuracy Summary
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Total water vapour: 0.2 g/sq cm, Brightness temperature: 0.3 K
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Waveband Summary
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Microwave: 18 GHz, 21 GHz, 37 GHz
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Instrument Measurements
Measurements Overview
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Instrument Missions
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