CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- GMI
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Full Name
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GPM Microwave Imager
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Status
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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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Conical 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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HDF-EOS(HDF5)
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Measurements and Applications
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Measures rainfall rates over oceans and land, combined rainfall structure and surface rainfall rates with associated latent heating. Used to produce three hour, daily, and monthly total rainfall maps over oceans and land.
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Resolution Summary
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Horizontal: 36 km cross-track at 10.65 GHz (required - Primary Spacecraft, goal - Constellation Spacecraft); 10 km along-track and cross-track (goal - Primary Spacecraft)
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Swath Summary
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800 km (Core Observatory
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Accuracy Summary
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0.65 - 1.5 K
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Waveband Summary
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Microwave: 10.65 GHz, 18.7 GHz, 23.8 GHz, 36.5 GHz, 89.0 GHz, 165.5 GHz, 183.31 ± 3 GHz, 183.31 ± 8 GHz
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Instrument Measurements
Measurements Overview
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Instrument Missions
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