The Global Earth Observation System of Systems ... - PMOD/WRC
The Global Earth Observation System of Systems ... - PMOD/WRC
The Global Earth Observation System of Systems ... - PMOD/WRC
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GEOSS and Metrological Support for MeasuringM<br />
Radiometric<br />
Properties <strong>of</strong> Objects<br />
<strong>of</strong> <strong>Observation</strong>s<br />
Top Level SDL Calibrator Specifications<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
Provide complete calibration in a single test configuration<br />
20K (He) or 100K (LN2) radiometric background<br />
Up to 17.5 inch exit pupil diameter<br />
Long focal length collimator to simulate small angular divergent sources<br />
(i.e. point sources)<br />
Short focal length collimator for measurements requiring sources with<br />
angular divergence <strong>of</strong> ~1°<br />
Sensor specific extended source measurements for radiance calibration<br />
ation<br />
Capability for in situ monitoring <strong>of</strong><br />
<br />
radiance, irradiance, calibrator focus/image quality, spectral<br />
throughput, and polarization<br />
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