Wednesday, May 29, 2013

First Indian navigation satellite for IRNSS to be launched on June 12


The Indian Regional Navigational Satellite System, IRNSS-1A, the first of the seven satellites of the IRNSS constellation, will be launched next month.

K Radhakrishnan, chairman of the Indian Space Research Organisation (Isro), said the IRNSS would be launched by the Polar Satellite Launch Vehicle from the Satish Dhawan Space Centre in Sriharikota on June 12 at 1:01 am.

The Indian Regional Navigational Satellite System (IRNSS) is an autonomous regional satellite navigation system being developed by the Indian Space Research Organisation (ISRO) which would be under complete control of the Indian government. The requirement of such a navigation system is driven by the fact that access to Global Navigation Satellite Systems, GPS, is not guaranteed in hostile situations. The IRNSS would provide two services, with the Standard Positioning Service open for civilian use and the Restricted Service, encrypted one, for authorised users (military).

The full constellation is planned to be realised in 2014. The IRNSS will help terrestrial, aerial and marine navigation services, along with disaster and fleet management. 

These satellites are positioned in suitable geostationary and inclined geosynchronous orbits to provide regional coverage over India and its surrounding neighbours. 

They are also equipped with high-precision atomic clocks, and continuously transmit navigation signals to users.

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