ISRO Successfully Launches PSLV With Fifth Navigational Satellite
PSLV, in its 33rd flight (PSLV-C31), launches IRNSS-1E, the fifth satellite of the IRNSS from Sriharikota.
Indian Space Research Organisation is off to a great start this year with the successful launch of Polar Satellite Launch Vehicle (PSLV) rocket with the country’s fifth navigation satellite IRNSS-1E from the rocket port in Sriharikota between 9 and 10 am on Wednesday morning.
IRNSS-1E is the fifth navigation satellite in the IRNSS space system, comprising seven satellites, which would be on par with US-based GPS once the seven satellites are launched.
Its configuration is similar to its predecessors IRNSS-1A, 1B, 1C and 1D and carries two types of payloads –- navigation and ranging payload. The navigation payload will transmit navigation service signals to the users and operate in L5-band and S-band while the other consists of a C-band transponder that facilitates accurate determination of the range of the satellite.
IRNSS-1E has a lift-off mass of 1,425 kg and carries Corner Cube Retro Reflectors for laser ranging and a highly accurate rubidium atomic clock (also part of the navigation payload of the satellite). While four satellites would be sufficient to start operations of the IRNSS system, the remaining three would make it more accurate and efficient.
The four satellites that were already launched include IRNSS-1A on 1 July 2013, while IRNSS-1B on 4 April 2014. IRNSS-1C was launched on 16 October 2014 and IRNSS-1D on 28 March last year.
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