ISRO launches communication satellite GSAT-31

Indian Space Research Organisation (ISRO), has successfully launched India’s latest communication satellite, GSAT-31 from the Spaceport in French Guiana.

The launch vehicle Ariane 5 VA-247 lifted off from Kourou Launch Base, French Guiana carrying India’s GSAT-31 and Saudi Geostationary Satellite 1/Hellas Sat 4 satellites. After a 42-min flight, GSAT-31 separated from the Ariane 5 upper stage in an elliptical Geosynchronous Transfer Orbit with a perigee (nearest point to Earth) of 250 km and an apogee (farthest point to Earth) of 35,850 km, inclined at an angle of 3.0 degree to the equator.

With a lift-off mass of 2,536 kg, GSAT-31 will augment the Ku-band transponder capacity in geostationary orbit. The satellite will provide continuity to operational services on some of the in-orbit satellites. GSAT-31 derives its heritage from ISRO’s earlier INSAT/GSAT satellite series.

“GSAT-31 has a unique configuration of providing flexible frequency segments and flexible coverage. The satellite will provide communication services to Indian mainland and islands,” said ISRO Chairman Dr. K Sivan said.

“GSAT-31 will provide DTH television services, connectivity to VSATs for ATM, stock exchanges, Digital Satellite News Gathering (DSNG) and e-governance applications. The satellite will also be used for bulk data transfer for a host of emerging telecommunication applications,” added Dr. K Sivan.



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