Imaging Radars
SIR-A
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/"