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 (satellite communications), transponder; it creates a communication channel between a source transmitter and a Rad ...
s, used for digital audio, data and video broadcasting. As of 5 December 2018, 20 GSAT satellites manufactured by the
Indian Space Research Organisation
The Indian Space Research Organisation (ISRO ) is India's national List of government space agencies, space agency, headquartered in Bengaluru, Karnataka. It serves as the principal research and development arm of the Department of Space (DoS), ...
have been launched, out of which 14 are in service.
History
The GSAT series of
geosynchronous satellites is a system developed by the
Indian Space Research Organisation
The Indian Space Research Organisation (ISRO ) is India's national List of government space agencies, space agency, headquartered in Bengaluru, Karnataka. It serves as the principal research and development arm of the Department of Space (DoS), ...
(ISRO) with an objective to make India self-reliant in broadcasting services. The system includes a total of 168
transponders
In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of ''transmitter'' and ''responder''.
In air navigation or radio frequency identification, a flight trans ...
(out of which 95 are leased out to provide services to broadcasters) in the
C, Extended C and
Ku bands, providing services to telecommunications, television broadcasting, weather forecasting, disaster warning and search and rescue operations.
List of GSAT satellites
This is a list of GSAT satellites and their status.
See also
*
Polar Satellite Launch Vehicle (PSLV)
*
Geosynchronous Satellite Launch Vehicle (GSLV)
*
List of Indian satellites
This list covers most artificial satellites built and operated by the Republic of India. India has been successfully launching satellites of various types from 1975. Apart from Indian rockets, these satellites have been launched from various v ...
*
List of Satish Dhawan Space Centre launches
References
External links
ISRO GeoStationary Satellites
{{DEFAULTSORT:Gsat
INSAT satellites
ISRO satellites
ISRO programs
Communications satellites of India
Communications satellite constellations