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Saturday, July 16, 2011
INDIAN SPACE FORAYS:ISRO-developed computer helped PSLV-C17 put satellite in orbit!
T.S. SUBRAMANIAN / The Hindu / SRIHARIKOTA (AP), July 15, 2011.
The PSLV-C17 carrying latest communication satellite GSAT-12 was successfully launched from Satish Dhawan Space Centre, Sriharikota on Friday. Photo: K. Pichumani - The Hindu.
Vikram has indigenous processors both in primary and standby mode
“One of the achievements” of the successful Polar Satellite Launch Vehicle (PSLV-C17) mission that put the communication satellite GSAT-12 in orbit on Friday was that it used an indigenous computer, Vikram, with advanced software in the rocket's navigation, guidance and control systems, said K. Radhakrishnan, Chairman, Indian Space Research Organisation (ISRO). This advanced mission computer helped the rocket put the satellite accurately in orbit.
Mr. Radhakrishnan told a press conference here that the ISRO-developed Vikram had indigenous processors both in the primary and standby mode. The ISRO had tested the indigenous software and only after it was found flight-worthy, was it used in the mission.
T.K. Alex, Director, ISRO Satellite Centre, Bangalore, said the coming days would be “interesting” because commands would be given from the Master Control Facility (MCF) at Hassan, Karnataka, to the liquid apogee motor (LAM) on board the GSAT-12 to take the satellite from its present sub geo-synchronous transfer orbit (GTO) to a circular geo-synchronous orbit at an altitude of 36,000 km. Dr. Alex was confident that the ISRO would do this with the experience gained from the Chandrayaan-1 mission in 2008, “which was almost similar” to the GSAT-12 mission.