Another giant leap! ISRO successfully places GSAT-6 satellite in geosynchronous orbit

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Sriharikota: In yet another achievement for Indian satellite communication, ISRO's GSLV D6 carrying GSAT-6 satellite was on Thursday successfully placed in geosynchronous orbit.

The Indian rocket with the over two ton communication satellite blasted off from the Sriharikota spaceport here.

GSAT-6 satellite successfully lifts off

The launch of Geo-synchronous Satellite Launch Vehicle (GSLV) D6 carrying GSAT-6 was scheduled at 1652 hours from Satish Dhawan Space Centre.

GSAT-6 is the 25th geostationary communication satellite of India built by ISRO and 12th in the GSAT series.


GSAT-6 provides communication through five spot beams in S-band and a national beam in C-band for strategic users, ISRO said.

The mission life of the satellite is nine years. The cuboid shaped GSAT-6 has a lift-off mass of 2117 kg. Of this, propellants weigh 1132 kg and the dry mass of the satellite is 985 kg, it added.


One of the advanced features of GSAT-6 satellite is its S-Band Unfurlable Antenna of 6 m diameter. This is the largest satellite antenna realised by ISRO. The antenna is utilised for five spot beams over the Indian mainland.

The spot beams exploit the frequency reuse scheme to increase frequency spectrum utilisation efficiency ISRO said after satellite's injection into GTO (Geosynchronous Transfer Orbit) by GSLV-D6, ISRO's Master Control Facility (MCF) at Hassan takes control of GSAT-6 and performs the initial orbit raising manoeuvres by repeatedly firing the Liquid Apogee Motor (LAM) on board the satellite, finally placing it in the circular Geostationary Orbit.

After this, deployment of the antenna and three axis stabilisation of the satellite will be performed. GSAT-6 will be positioned at 83 deg East longitude.

OneIndia News

(With inputs from agencies)

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