CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- ACRIM II
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Full Name
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Active Cavity Radiometer Irradiance Monitor
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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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Earth radiation budget radiometers 
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Geometry
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Instrument Technology
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Solar irradiance monitor
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Sampling
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Sounding
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Data Access
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Data Format
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Measurements and Applications
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Measurements of solar luminosity and solar constant.Data used as record of ime variation of total solar irradiance, from extreme UV through to infra-red.
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Resolution Summary
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Not applicable
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Swath Summary
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Not applicable
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Accuracy Summary
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Measures integrated flux of solar radiation to <0.1%
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Waveband Summary
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UV - FIR: 1 nm - 50 µm
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Instrument Measurements
Measurements Overview
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Instrument Missions
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