CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- Occultation GNSS Receiver (CLARREO)
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Full Name
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Occultation GNSS Receiver (CLARREO)
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Status
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No longer considered
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Instrument Agencies
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NASA
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Maturity
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Medium Heritage
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Instrument Type
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Earth radiation budget radiometers 
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Geometry
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Occultation
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Instrument Technology
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GNSS receiver
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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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Measurements and Applications
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Independent measurements of atmospheric temperature, pressure, and humidity using Global Positioning System (GPS) occultation measurements of atmospheric refraction.
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Resolution Summary
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Spectral resolution in the UV, VIS, and near IR of 15 nm; in the IR of 1cm-1
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Swath Summary
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VIS: 1km IFOV over 100km swath; 100km FOV
[Max Swath: 100 km]
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Accuracy Summary
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.1K
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Waveband Summary
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IR:200 - 2000 cm-1; UV,VIS, and near IR: 380 to 2500 nm
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Instrument Measurements
Measurements Overview
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Instrument Missions
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