The GSAT (Geosynchronous Satellite) satellites are India's indigenously developed

communications satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. C ...

s, used for digital audio, data and video broadcasting. As of 5 December 2018, 20 GSAT satellites of

ISRO The Indian Space Research Organisation (ISRO; ) is the national space agency of India, headquartered in Bengaluru. It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman ...

have been launched out of which 14 satellites are in service.

History

The GSAT series of

geosynchronous satellites A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth's rotation period. Such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day tr ...

is a system developed by ISRO with an objective to make India self-reliant in broadcasting services. The repertoire of 10 GSAT satellites, a total of 168 transponders (out of which 95 transponders are leased out to provide services to the broadcasters) in the C, Extended C and Ku-bands provides services to telecommunications, television broadcasting, weather forecasting, disaster warning and search and rescue operations.

List of active satellites

This is a list of GSAT current satellites with their outcome.

List of upcoming GSAT satellites

List of defunct satellites

References

External links