Polar Satellite Launch Vehicle (PSLV) C33 carrying IRNSS-1G,own navigation system

isro_gps

Polar Satellite Launch Vehicle (PSLV) C33 carrying IRNSS-1G (Indian Regional Navigation Satellite System) lifted off from the first launch pad at the Satish Dhawan Space Centre in Sriharikota at 12.50.

he Indian Space Research Organisation (Isro) on Thursday accomplished the task of developing the country’s own navigation system with the successful launch of IRNSS-1G, the last in the series of seven navigation satellites.

Around 20 minutes after liftoff, . The satellite has a 12-year mission life.

With the constellation of satellites complete, India has joined the league of countries that has indigenous navigation system. The system will reduce the country’s dependency on US Global Positioning System.

Apart from India, only a few other countries, including the US, the European Union, China and Russia have their own navigation systems in place.

For many years now, India has been mostly dependent on the Global Positioning System developed by the US, a project that it began in 1973. However, when the US denied GPS information during the Kargil war in 1999, the nation felt the need for an indigenous navigation system.

IRNSS will provide standard positioning service (SPS) for all users with a position accuracy of better than 20 metres and a restricted service (RS) for authorised users with an accuracy of 10 metres.

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