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GSat 8 (Insat 4G)

GSat 8 [ISRO]

GSAT-8 / INSAT-4G is an Indian Ku-band satellite carrying 18 transponders similar to that of INSAT-4A and INSAT-4B. It carries 2 BSS transponders and a GAGAN (Navstar Aided Geo Augmented Navigation) payload (satellite navigation for aviation). The satellite was originally planned to be launched during 2008-09, but was postponed until 2011.

INSAT-4 series is planned to have seven satellites, INSAT-4A through INSAT-4G. The transponder capacity of this series has been worked out after evaluating the requirement projected by different uses/user departments. It is planned that, by 2007, INSAT system will have about 250 transponders in various bands catering to a demand of up to 11 GigaBits Per Second (GBPS) capacity.

Nation: India
Type / Application: Communication
Operator: Insat
Contractors: ISRO
Equipment: 18 Ku-band transponders, 2 BSS transponders, GAGAN payload
Configuration: I-3K (I-3000) Bus
Propulsion: 440 Newton thrust liquid apogee motor
Power: 2 solar arrays, batteries
Lifetime: 12 years
Mass: 3150 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
GSAT 8 (Insat 4G) 2011-022A 20.05.2011 Ko ELA-3 Ariane-5ECA with ST 2

References:

Further Insat missions:
Further GSat missions: