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SCIENCE & TECHNOLOGY
ISRO PUTS FIFTH GPS SATELLITE IN ORBIT
February 5, 2016
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1.PSLV-C31 successfully put into orbit IRNSS-1E, the fifth satellite of the Indian Regional Navigation Satellite System (IRNSS) after its succesful launch from the Satish Dhawan Space Centre (SDSC), SHAR, Sriharikota, on Wednesday morning.

2.PSLV-C31 for the eleventh time used ‘XL’ version of PSLV.

3.IRNSS-1E, with a liftoff mass of 1425 kg, carried navigation payload and ranging payload, according to an ISRO release.

4.Some 19 minutes after it lifted off from Second Launch Pad of the SDSC at 9.31 am,, PSLV-C31 placed the satellite in precise orbit.

5.The ranging payload of IRNSS-1E consists of a C-band transponder which facilitates accurate determination of the range of the satellite. IRNSS-1E also carries Corner Cube Retro Reflectors for laser ranging.

6.The system is expected to provide a position accuracy of better than 20 metre in the primary service area.