NEW DELHI, Mar 4: The Indian Space Research Organisation (ISRO) is setting up the Indian Regional Navigation Satellite System (IRNSS) to provide positioning and navigational services in mainland and surrounding region up to 1500 Km, Dr Jitendra Singh Minister of State in the Prime Minister’s Office (PMO) said in Lok Sabha today.
IRNSS consists of seven satellites in a constellation, three satellites in geo-stationary orbit and four satellites in geo-synchronous orbit.
The objective of IRNSS is to provide positioning services over Indian region with an absolute position accuracy of better than 20 metres.
It also provides two services namely Standard Positioning Service (SPS) for Civilian users and Restricted Service (RS) for strategic users.
Out of the seven satellites required in the constellation, three–IRNSS-1A, 1B and 1C–have already been successfully placed in the orbit.
The fourth satellite IRNSS-1D is scheduled for launch this month while work on the remaining three satellites is in progress.
The associated ground segment for maintaining the satellites in orbit, monitoring the constellation status, correction of the orbital parameters and navigation data uploading is in place.
(UNI)
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