CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- ATSR-2
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Full Name
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Along Track Scanning Radiometer - 2
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Status
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No longer operational
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Instrument Agencies
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UKSA , CSIRO
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Maturity
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Instrument Type
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Imaging multi-spectral radiometers (vis/IR)  and Multiple direction/polarisation radiometers
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Geometry
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Conical scanning
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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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Measurements of sea surface temperature, land surface temperature, cloud top temperature and cloud cover, aerosols, vegetation, atmospheric water vapour and liquid water content.
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Resolution Summary
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IR ocean channels: 1 x 1 km, Microwave near-nadir viewing: 20 km instantaneous field of view
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Swath Summary
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500 km
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Accuracy Summary
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Sea surface temperature to <0.5 K over 0.5 x 0.5 deg (lat/long) area with 80% cloud cover, Land surface temperature: 0.1 K
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Waveband Summary
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VIS - SWIR: 0.65 µm, 0.85 µm, 1.27 µm, and 1.6 µm, SWIR-TIR: 1.6 µm, 3.7 µm, 11 µm and 12 µm, Microwave: 23.8 GHz, 36.5 GHz (bandwidth of 400 MHz)
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| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
| SWIR (~1.3 µm - ~3.0 µm) |
| MWIR (~3.0 µm - ~6.0 µm) |
| TIR (~6.0 µm - ~15.0 µm) |
| MW (~0.1 cm - ~100 cm) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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