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Shuttle Imaging Radar-A (SIR-A) flew abord the Space Shuttle Columbia
in November of 1981 for almost 8 hours during the 2 and 1/2 day
flight. SIR-A is a horizontally polarized L-band radar operating at
1.28 GHz (23 cm) and obtained imagery at a resolution of 40m with a
swath width of 50km and a look angle of approx. 45 degrees
(variable). The imagery is produced at a scale of 1:500,000.
Additional information available at
"http://southport.jpl.nasa.gov/"
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