GSAT-31: ISRO All Set To Launch India’s 40th Communication Satellite Today


ISRO will launch India’s 40th communication satellite, GSAT-31, on February 6 from French Guiana.

India will launch its 40th communication satellite, GSAT-31, onboard European launch services provider Arianespace launch vehicle, on February 6 from French Guiana, Indian Space Research Organisation said Friday.

ISRO said the GSAT-31 will be used for supporting VSAT networks, television uplinks, DTH television services and many such applications.

According to Arianespace, the launch of Ariane-5 (VA 247) has been launched at 02:31 AM IST.

The satellite, GSAT-31, derives its heritage from ISRO’s earlier INSAT/GSAT satellite series, the space agency said, adding that it provides Indian mainland and island coverage.

Saudi Geostationary Satellite 1/Hellas Sat 4 will be the co-passenger of GSAT-31 during the launch, Arianespace said.

About GSAT-31

  • GSAT-31 is the country’s 40th communication satellite which is configured on ISRO’s enhanced ‘I-2K Bus‘, utilising the maximum ‘bus capabilities’ of this type
  • This satellite will augment the Ku-band transponder capacity in Geostationary orbit
  • GSAT-31 will provide continuity to operational services on some of the in-orbit satellites
  • In a statement, the Indian Space Research Organisation (ISRO) said the satellite, weighing about 2,535 kg, is scheduled for launch onboard the Ariane-5 (VA247) from Kourou in French Guiana.

Applications of GSAT-31

  1. With a mission life of around 15 years, GSAT-31 will be used for supporting VSAT networks, television uplinks, digital satellite news gathering, DTH-television services, cellular backhaul connectivity and many such applications.
  2. It will also provide wide beam coverage to facilitate communication over large oceanic region, comprising large parts of Arabian Sea, Bay of Bengal and Indian Ocean, using a wide band transponder.
  3. According to ISRO, two Ku-band beacon downlink signals are transmitted for ground tracking purpose.

GSAT-30 is another geostationary satellite to be lofted soon by Arianespace.

Since the launch of India’s APPLE experimental satellite on Ariane Flight L03 in 1981, Arianespace has orbited 22 satellites and signed 24 launch contracts with the Indian space agency.

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