India’s Antrix Corporation Limited, the commercial arm of the Indian Space Research Organisation (ISRO), has signed an agreement with the UK’s Surrey Satellite Technology Ltd. (SSTL), for the launch of NovaSAR-1, a small Synthetic Aperture Radar (SAR) satellite, into a 580-kilometer altitude Sun-synchronous orbit, and SSTL S1-4, a high-resolution Earth observation satellite.