CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- SPEXone
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Full Name
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Spectro-Polarimeter for Exploration
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Status
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Operational
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Instrument Agencies
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NSO , SRON, NASA
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Maturity
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Instrument Type
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Multiple direction/polarisation radiometers 
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Geometry
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Nadir-viewing
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Instrument Technology
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Multi-channel/direction/polarisation radiometer
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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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Measurements and Applications
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Polarimeter for measuring aerosol optical properties, clouds and aerosol types. Multi-angle spectro-polarimetry by spectral modulation technology. Distribution and detailed micro-phyiscal properties of atmospheric aerosol. Direct and indirect aerosol radiative forcing and their impact on climate. A second instance of this instrument is in development.
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Resolution Summary
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2.5 km
[Best Resolution: 2500m]
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Swath Summary
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Narrow swath ±4.5°; 100 km; global coverage: 1 month.
[Max Swath: 100 km]
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Accuracy Summary
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Polarimetric: 0.003; Radiometric: 0.02
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Waveband Summary
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385 to 770nm at 2nm bands
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| VIS (~0.40 µm - ~0.75 µm) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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