The Indian National Satellite (INSAT) system was commissioned with the launch of INSAT-1B in August 1983 ( INSAT-1A, the first satellite was launched in April 1982 but could not fulfil the mission).
INSAT system INSAT-1B satellite: Broadcasting sector in India is highly dependent on INSAT system. The satellites also incorporate transponder(s) for receiving distress alert signals for search and rescue missions in the South Asian and Indian Ocean Region, as ISRO is a member of the Cospas-Sarsat program. Some of the satellites also have the Very High Resolution Radiometer (VHRR), CCD cameras for meteorological imaging. INSAT satellites provide transponders in various bands to serve the television and communication needs of India. The overall coordination and management of INSAT system rests with the Secretary-level INSAT Coordination Committee.
It is a joint venture of the Department of Space, Department of Telecommunications, India Meteorological Department, All India Radio and Doordarshan. Commissioned in 1983, INSAT is the largest domestic communication system in the Indo-Pacific Region. The Indian National Satellite System or INSAT, is a series of multipurpose geostationary satellites launched by ISRO to satisfy telecommunications, broadcasting, meteorology, and search and rescue operations.
Not to be confused with Indian Regional Navigational Satellite System.
