INSAT-4A

INSAT-4A is the first one in the INSAT-4 Satellites series, providing services in the K_u and C band frequency bands. At the time of launch, it was the heaviest satellite India had produced and launched. The K_u transponders cover the Indian main land and C-Band transponders cover an extended area. It has a dozen K_u transponders and another dozen of C-band transponders. This spacecraft is placed at 83°E along with INSAT-2E and INSAT-3B, by Ariane launch vehicle (ARIANE5-V169)

Overview

INSAT - 4A is a communication satellite intended for providing high quality television, telecommunication, broadcasting services and is the first satellite to be launched in the INSAT-4 series.

Launch

INSAT 4A was launched by an Ariane 5, produced by Arianespace, on 22 Dec 2005 at 4.22 am IST from Kourou, French Guiana. It was placed into a Geosynchronous Transfer Orbit (GTO), 30 minutes after lift-off in 3-axis stabilized mode, with a perigee of 859 km and an apogee of 36,055 km. Its co-passenger on board was Meteosat-9 of EUMETSAT.

Payload

• 12 K_u band transponders. It is being used by Tata Sky.^[1]
• 12 C-band transponders

References

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