The ATSR is an infrared imaging radiometer which has been selected to fly aboard the ESA Remote Sensing Satellite No. 1 (ERS1) with the specific objective of accurately determining global Sea Surface Temperature (SST). Novel features, including the technique of along track scanning, a closed Stirling cycle cooler, and the precision on-board blackbodies are described. Instrument sub-systems are identified and their design trade-offs discussed.
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Delderfield et al. (1986) studied this question.