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#ISRO: IRNSS-1G navigation satellite launched from Sriharikota

 2016-04-28 09:06:51.0

FotorCreated163Tahlka news Bureau, New Delhi: An Indian Polar Satellite Launch Vehicle (PSLV) rocket lifted off successfully on Thursday afternoon with the country's seventh and final navigation satellite, IRNSS-1G, from the rocket port in Sriharikota, Andhra Pradesh.

Prime Minister Narendra Modi and President Pranab Mukherjee congratulated ISRO on the feat.

The Indian Regional Navigation Satellite System (IRNSS) is an independent regional navigation satellite system.

The satellite will provide accurate real-time positioning and timing services over India and region extending to 1500 km around the country.

IRNSS will provide - Standard Positioning Service (SPS) and Restricted Service (RS). SPS will be provided to all the users while RS will be encrypted service provided only to the authorised users.

Apart from terrestrial, aerial and marine navigation and disaster management, satellite will also help with vehicle tracking and fleet management, integration with mobile phones, precise timing, mapping and geodetic data capture, terrestrial navigation aid for hikers and travellers, visual and voice navigation for drivers.

It consists of a constellation of seven satellites of which six - IRNSS-1A, IRNSS-1B, IRNSS-1C, IRNSS-1D, IRNSS-1E and IRNSS-1F- have already been put into orbit. The seventh satellite in the series - IRNSS-1G - weighing 1,425 kg is expected to soon join the other six.

Standing 44.4 metre tall and weighing 320 tonnes, PSLV-XL will put IRNSS-1G into orbit at an altitude 497.8 km. The satellite's life span is 12 years. The total cost of the project is expected to be ?1420 crore (US$211 million).

All the satellites will be visible at all times in the Indian region and will provide a position accuracy of better than 20 m in the primary service area.

The IRNSS system is akin to the GPS of the US which has 24 satellites, Glonass of Russia (24 satellites), Galileo of Europe (27 satellites) and China's Beidou (35 satellites).

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