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Cabinet approves building of GSAT-18 satellite

MUMBAI: The Union Cabinet under Prime Minister Narendra Modi has approved building of the GSAT-17 and -18 communication satellites.

Building the GSAT-18 is part of the Indian Space Research Organisation’s (ISRO) efforts to support services of existing users.

Weighing about 3,425 Kg, the GSAT-18 spacecraft project will require a total budget of Rs 1,022 crore (Rs 10.22 billion) including launch services.

It will have 24 normal C-band transponders, 12 upper extended C-band transponders, 12 Ku-band transponders, and two Ku-Beacon transmitters. The satellite’s orbit location is 74°E in Geo.

Ku-band transponders are used by direct-to-home (DTH) operators to provide TV services.

The satellite will cover the Indian mainland as well as the islands of Andaman & Nicobar and Lakshadweep in C- and Ku-band.

All heritage-proven bus systems will be used to build the satellite in 30 months, the Cabinet said in a press statement. The satellite structure will be similar to the GSAT-10, it added.

The GSAT-18 spacecraft will provide replacement capacity supporting the existing television, telecommunication, Digital Satellite News Gathering (DSNG), and VSAT services in the country.

Moreover, the GSAT-18 spacecraft will augment and support the existing telecommunication, television, DSNG, and VSAT services in the country, thus benefiting all sections of society.

The Cabinet has also green-lighted building of the GSAT-17 communication satellite, weighing about 3,425 Kg, for providing replacement capacity and in-orbit backup.

The GSAT-17 spacecraft project, including launch services, will require a total budget of Rs 1,013.20 crore (Rs 10.13 billion). All heritage-proven bus systems will be used to build the satellite in a period of 30 months. The satellite structure will be similar to the GSAT-10.

The GSAT-17 will provide replacement capacity in different frequency bands and protect operational services.

The GSAT-17 spacecraft will augment and support existing telecommunication, television and VSAT services in the country, apart from providing in-orbit redundancy for Indian society. The footprints of the GSAT-17 spacecraft would cover the entire mainland of the country.

GSAT-17 will have 24 normal C-band transponders, two lower extended C-band transponders, 12 upper extended C-band transponders, 2+2 MSS (forward & return link) transponders, and one DRT and SAS&R transponder.