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PSLV-C31 carrying IRNSS-1E launched successfully from SDSC

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Indian Space Research Organisation (ISRO) launched PSLV-C31 rocket successfully, carrying 5th satellite (out of 7) of India Regional Navigation Satellite System (IRNSS), the IRNSS-1E from Satish Dhawan Space Centre (SDSC), Sriharikota, near Chennai,

  • PSLV-C31 for the 11th time used “XL” version of PSLV.
  • This was Polar Satellite Launch Vehicle’s 33rd flight ((PSLV-C31).
  • This is also the ISRO’s 50th orbital launch with the PSLV deploying the IRNSS navigation satellite into geosynchronous transfer orbit.

PSLV-C31 carrying IRNSS-1E launched successfully from SriharikotaAbout IRNSS 1E:
The IRNSS is designed to use 7 satellites in geosynchronous orbits, enabling India to have a satellite navigation system that is not reliant on other countries’ space technology. IRNSS 1E, add on to four regional navigational satellites (IRNSS-1A, 1B, 1C and ID).

  • Benefits of navigation system – It is useful in disaster management, vehicle tracking, fleet management, integration with mobile phones, mapping and geodetic data capture, visual and voice navigation for drivers and others.
  • Types of payloads – IRNSS-1E carries navigation payload and ranging payload.
  • Ranging payload – IRNSS-1E consists of a C-band transponder which facilitates accurate determination of the range of the satellite.
  • Laser ranging – IRNSS-1E also carries Corner Cube Retro Reflectors for laser ranging.

About Polar Satellite Launch Vehicle (PSLV):
PSLV is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO).

  • It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into Sun synchronous orbits.
  • In the year 2015 alone India successfully launched 17 foreign satellites belonging to Canada, Indonesia, Singapore, the UK and the United States.