CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- TSIS-1/SIM
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Full Name
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Total Solar and Spectral Irradiance Sensor 1 - Spectral Irradiance Monitor
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Status
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Operational
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Instrument Agencies
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NASA , NOAA
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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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Instrument Technology
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Solar irradiance monitor
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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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ASCII, HDF-5
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Measurements and Applications
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Measures solar spectral irradiance in the 0.2 - 2 µm range.
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Resolution Summary
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Swath Summary
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Looks at the sun every orbit, providing 15 measurements per day.
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Accuracy Summary
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Estimated uncertainties between 200-460nm = 0.42%, between 460-2400nm = 0.24%.
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Waveband Summary
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UV - SWIR: 0.2 - 2 µm
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| UV (~0.01 µm - ~0.40 µm) |
| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
| SWIR (~1.3 µm - ~3.0 µm) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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