ISRO begins IRNSS 1C launch countdown

ISRO begins IRNSS 1C launch countdown

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India, October 13, 2014: ISRO has commenced the 67-hour countdown for the launch of India's navigation satellite IRNSS 1C at the spaceport of Sriharikota. The IRNSS 1C is the third of seven satellites in a series which aims to build an Indian navigation system that will be on par with US' Global Positioning System, on board PSLV C 26.

Following the clearance from the Launch Authorisation Board (LAB) on October 12, the countdown commenced at 6.32 am today as planned and was proceeding smoothly, ISRO informed media.

Based on the mission requirements, the launch window is 01:32 AM to 01:47 AM (IST) on 16 October. The lift-off is scheduled at the opening of the launch window at 1.32 am, the national space agency had earlier announced.

Earlier, the launch was scheduled for 10 October but was later postponed due to technical reasons.

As part of its aspirations to build a regional navigational system equivalent to the Global Positioning System of the US, ISRO plans to send seven satellites to put its Indian Regional Navigational Satellite System (IRNSS) in place.

India is expected to have its own satellite navigation system by the first quarter of 2015 with four of its satellites in space. The second navigational satellite in the series, IRNSS 1-B, was launched on 4 April. ISRO needs to launch at least four of the seven satellites to start operations of the IRNSS, ISRO officials said.

Developed by India, IRNSS is designed to provide accurate position information service to users in the country as well as the region extending upto 1,500 km from its boundary, which is its primary service area. IRNSS's applications include terrestrial and marine navigation, disaster management, vehicle tracking and fleet management.

Source: ISRO