On March 27, the Indian Space Research Organisation (ISRO) launched its fourth navigational satellite IRNSS-ID from Sriharikota in Andhra Pradesh. The launch makes India move closer to have its own Global Positional System (GPS), on the lines of the one US has. At 5.19, the rocket — Polar Satellite Launch Vehicle (PSLV-C27), 44 metres tall and weighing around 320 tonne — blasted off from the second launch pad at the Satish Dhawan Space Centre. The satellite was injected into the orbit after 21 minutes. Talking about the launch, Kiran Kumar, Chairman, ISRO said, “We have had a successful launch. I congratulate the entire Isro team for the 28th straight successful PSLV mission, which has put the IRNSS-1D, the fourth of the navigation constellation satellite successfully.
IRNSS-1D is the fourth out of seven satellites in the Indian Regional Navigational Satellite System (IRNSS) series after IRNSS-1A, IRNSS-1B and IRNSS-IC. The satellite is one among the seven IRNSS constellation of satellites slated to be launched to provide navigational services to the region.The system would provide two types of services — Standard Positioning Service, which is provided to all users and Restricted Service, which is an encrypted service provided only to authorised users.The satellite will provide navigation, tracking and mapping services.