![Shuttle Imaging Radar antenna](https://webarchive.library.unt.edu/web/20090117121206im_/http://www.jpl.nasa.gov/images/shuttle/sir-antenna-100-75.jpg) |
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Shuttle Imaging RadarLaunches: November 12, 1981; October 5, 1984; April 9, 1994; September 30, 1994; February 11, 2000
This series of missions flown on NASA's Space Shuttle over two decades pioneered imaging radar, a technology that uses radar pulses to capture images of Earth. After two missions in the 1980s, projects in 1994 and 2000 added new radar frequencies and a second antenna to measure Earth's topography.
› Overview
+ Radar home page
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