IRNSS constellation nears completion

April 20, 2016  - By
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India is expected to launch into orbit its seventh and final navigation satellite on April 28, thus completing the Indian Regional Navigation Satellite System (IRNSS).

IRNSS-1G is expected to launch aboard a Polar Satellite Launch Vehicle (PSLV) rocket from India’s spaceport at Sriharikota in Andhra Pradesh at 12:50 local time.

To date, India has launched six regional navigational satellites (IRNSS-1A, 1B, 1C, ID, 1E and 1F) as part of a constellation of seven satellites to provide accurate position information service to users across the country and the region, extending up to an area of 1,500 kilometers.

The full system comprises nine satellites — seven in orbit and two on the ground as stand-by.

The IRNSS will provide two types of services — standard positioning service and restricted service. The former is provided to all users and the latter is an encrypted service for authorized users.

Meanwhile, the Indian Space Research Organization (ISRO) is in the process of developing the front-end radio frequency chips for the satellite navigation system. The initial version is expected to be ready this year, ISRO chairman told the New Indian Express.

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