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ISRO successfully launched IRNSS 1-D Navigational Satellite

Mar 30, 2015 18:00 IST

The Indian Regional Navigational Satellite System (IRNSS) 1-D satellite was launched successfully on 28 March 2015 by the Indian Space Research Organisation (ISRO) from the Satish Dhawan Space Centre (SHAR), Sriharikota in Andhra Pradesh.

The satellite will provide navigation, tracking and mapping services.

The satellite was placed in geosynchronous orbit by the Polar Satellite Launch Vehicle (PSLV)-C27. This is the twenty eighth consecutively successful mission of the PSLV. The 'XL' configuration of PSLV was used for this mission. Previously, the same configuration of the vehicle was successfully used seven times.

IRNSS-1D, weighing 1425 kg, is the fourth of the seven satellites constituting the IRNSS. IRNSS-1A, 1B and 1C, the first three satellites of the constellation, were successfully launched by PSLV in July 2013, April 2014 and October 2014 respectively.

About IRNSS

IRNSS is an independent regional navigation satellite system designed to provide position information in the Indian region and 1500 km around the Indian mainland. IRNSS would provide two types of services, namely, Standard Positioning Services (SPS) - provided to all users and Restricted Services (RS)- provided to authorised users only.

IRNSS consists of seven satellites, three geostationary and four non-geostationary.

The next satellite of this constellation, namely, IRNSS-1E, is scheduled to be launched by PSLV. The entire IRNSS constellation of seven satellites is planned to be completed by 2016.

By using the IRNSS as a platform the Government of India is planning to launch its own Global Navigational Satellite Services, GINS (Global Indian Navigation Satellite) system, similar to Global Positioning System (GPS) of the the US.

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