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Definition: IRNSS

(Indian Regional Navigation Satellite System) A satellite-based radio navigation system that covers India and its surroundings. First launched in 2013, a total of seven satellites are in orbit (three geostationary; four geosynchronous). Unlike the 24 medium-earth orbit (MEO) satellites in the GPS system, the geostationary IRNSS satellites are always available to the Indian subcontinent. See geostationary, geosynchronous and GPS.