CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- TGRS
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Full Name
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TriG (Tri-GNSS) GNSS Radio-occultation System
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Status
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Operational
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Instrument Agencies
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NOAA , NSPO, UCAR
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Maturity
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Instrument Type
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Atmospheric temperature and humidity sounders 
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Geometry
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Instrument Technology
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GNSS radio-occultation receiver
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Sampling
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Data Access
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Open Access
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Data Format
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RINEX-2 (Low-rate data), opnGns (high-rate data), opnSnc (high-rate tracks)
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Measurements and Applications
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TGRS is the radio occultation receiver, which will receive signals from GPS, Galileo, and Glonass.
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Resolution Summary
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Swath Summary
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Accuracy Summary
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Waveband Summary
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Instrument Measurements
Measurements Overview
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Instrument Missions
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