Tags: Artificialsatellite, Satellite.
Radar Imaging Satellite 1 or RISAT-1 is an Indian remote sensing satellite which was built and is operated by the Indian Space Research Organisation (ISRO). The second RISAT satellite to be launched it uses C-band 5.35 GHz Synthetic Aperture Radar for earth observation irrespective of the light and weather conditions of the area being imaged.The launch of RISAT-1 came several years after that of RISAT-2 which carried an Israeli-built x-band radar.