Quill (satellite)
Videos
Quill was an experimental United States National Reconnaissance Office program of the 1960s, which provided the first images of Earth from space using a synthetic aperture radar. Radar-imaging spacecr
The swaths imaged December 1964 by U. S. "Quill" satellite radar.
One of the few still-available images made by the Quill satellite radar covered part of Richmond, Virginia.
Seasat
Videos
Seasat was the first Earth-orbiting satellite designed for remote sensing of the Earth's oceans and had on board one of the first spaceborne synthetic-aperture radar. The mission was designed to demon
Quill (satellite)
…provided vivid demonstrations that images having Quill's detail (and even considerably coarser detail, such as that of the 14-years-later civilian SEASAT spacecraft) would indeed be useful for wide-area environmental monitoring and research studies of the earth and other planets. One especially notable…
Seasat