CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- SMMR
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Full Name
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Scanning Multi-channel 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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Low Heritage
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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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Cross-track scanning
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Instrument Technology
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Multi-purpose imaging MW radiometer
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Sampling
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Imaging
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Data Access
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Open Access
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Data Format
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Measurements and Applications
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Global sea-ice concentrations and type (age) and sea surface temperatures; sea surface winds; snowcover; soil moisture; atmospheric water vapor over oceans; and rainfall.
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Resolution Summary
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Cross-track/along-track sampling intervals range from 14 km x 14 km to 58 km x 28 km over the wavelength interval.
[Best Resolution: 14000m]
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Swath Summary
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Forward viewing and scans 390 km to either side of the orbital track
[Max Swath: 780 km]
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Accuracy Summary
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Waveband Summary
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Scanning radiometer operating at frequencies of 37 (0.81 cm), 21 (1.42 cm), 18 (1.66 cm), 10.69 (2.8 cm), and 6.6 (4.54 cm) GHz.
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Instrument Measurements
Measurements Overview
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Instrument Missions
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