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ISRO’s full navigation satellite in sky soon
ISRO is slated to put into orbit its seventh and final navigation satellite on April 28, thereby having its full satellite navigation system up in the sky, said a senior space agency official.
Chennai/New Delhi: ISRO is slated to put into orbit its seventh and final navigation satellite on April 28, thereby having its full satellite navigation system up in the sky, said a senior space agency official.
The launch of the last satellite of the INRSS will enable ISRO to provide accurate position information service to users in India, while Chandrayaan Mission II is expected to take off by December next year.
Addressing a news conference, Jitendra Singh, Union Minister of State in the PMO that looks after the Department of Space, said the "launch will complete the Indian Regional Navigation Satellite System that will provide navigation facility in and around India."
ISRO chairman A S Kiran Kumar said Chandrayaan II will be launched by December 2017 or first half of 2018.He added that the Chandryaan II will have an indigenously built lander and Rover. It will also have instruments that will collect samples and send the data back on earth.
In its Chandrayaan Mission I, ISRO was able to make an important discovery of water on the earth's sole satellite.
The PSLV rocket that takes the satellite system into the sky will blast off after 12 noon on April 28 from India's spaceport at Sriharikota.
Till date, India has launched six regional navigational satellites (IRNSS-1A, 1B, 1C, ID, 1E and 1F) as part of a constellation of seven satellites to provide accurate position information service to users across the country and the region, extending up to an area of 1,500 km.
Though the full system comprises nine satellites -- seven in orbit and two on the ground as stand-by, the navigation services could be made operational with four satellites, ISRO officials had said earlier.
Each satellite costs about Rs 150 crore while the PSLV-XL version rocket costs about Rs 130 crore. The seven rockets would entail an outlay of about Rs 910 crore. Once the regional navigation system is in place, India need not be dependent on other platforms.
The IRNSS is similar to the global positioning system (GPS) of the US (24 satellites), Glonass of Russia, and Galileo of Europe as well as China's Beidou.
While GPS and Glonass are fully functional global systems, the Chinese and the Japanese systems are offering regional coverage and Europe's Galileo is yet to be operational.
