Isro Launches Its Brand New Satellite For India’s Navigation System


The well known Indian Space Research Organisation (ISRO) on yesterday launched the brand new satellite for India’s navigation system. They actually made successful attempt of launching the IRNSS-1G, which is reportedly, seventh and last navigation satellite of the country.

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 Pm.

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Around 20 minutes after liftoff, PSLV-C33 successfully placed IRNSS-1G in orbit. The satellite is having 12 years goal to accomplish its mission. With the collection of satellites complete, it is actually, India has been successfully joined the league of countries that having indigenous navigation system. Indeed, the reports are saying that this navigation system will reduce India’s dependency on the US Global Positioning System.

Alongside India, only a few other countries, which include the US, the European Union, China and Russia, are having their own navigation systems in place.

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Since the long time, 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 in the time of the Kargil war in 1999, in that time our nation thought and felt about the need for a native navigation system.


The IRNSS system is designed to give accurate position information to users within the country and in the region widening up to 1500km from the boundary.

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 authorized users with an accuracy of 10 metres.

The native navigation system is yet to aid terrestrial, aerial and marine navigation, means of transport tracking and navy management, catastrophe management, mapping and geodetic data capture, visual and voice navigation for drivers.

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The service will be includes in the mobile phones and can be navigation tool for walkers, travelers and sightseers. This is although restricted service will be used by the only military for missile delivery and navigation and tracking of aircraft. ISRO had launched the first satellite in the system — IRNSS-1A — on July 1, 2013 and then by IRNSS-1B (April 4, 2014), IRNSS-1C (October 16, 2014), IRNSS-1D (March 28, 2015), IRNSS-1E (January 20, 2016) and IRNSS-1F (March 10, 2016).

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The satellites have already started functioning from their designated orbital slots after far-reaching on-orbit test and appraisal to confirm their satisfactory performance. According to ISRO officials, the navigation launching total cost of all the seven satellites was Rs 1,420-crore.