CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- AMSU-A
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Full Name
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Advanced Microwave Sounding Unit-A
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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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High Heritage - Operational
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Instrument Type
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Atmospheric temperature and humidity sounders 
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Geometry
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Cross-track scanning
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Instrument Technology
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Absorption-band MW radiometer/spectrometer
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Sampling
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Sounding
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Data Access
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Open Access
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Data Format
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HDF-EOS
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Measurements and Applications
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All-weather night-day temperature sounding to an altitude of 45 km. AMSU-A on Aqua is still partially operational, with 9 of the 15 channels working and collecting data.
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Resolution Summary
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48 km
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Swath Summary
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2054 km
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Accuracy Summary
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Temperature profile: 2 K, humidity: 3 kg/m2, ice & snow cover: 10%
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Waveband Summary
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Microwave: 15 channels, 23.8 - 89.0 GHz
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Instrument Measurements
Measurements Overview
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Instrument Missions
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