India’s Seventh Navigation Satellite IRNSS-1G sucessfully launched

PSLV-C33 Successfully Launches India's Seventh Navigation Satellite IRNSS-1G

Question: Name the ISRO’s Launch Vehicle which has launched IRNSS-1G, the seventh satellite of the Indian Regional Navigation Satellite System (IRNSS)?
(a) PSLV-C32
(b) PSLV-C33
(c) PSLV-C34
(d) PSLV-C31
Ans (b)
Related facts:

  • On 28 April 2016 ISRO’s Polar Satellite Launch Vehicle, PSLV-C33 successfully launched the IRNSS-1G, the seventh satellite of the Indian Regional Navigation Satellite System (IRNSS).
  • The satellite was launched from the First Launch Pad (FLP) of the Satish Dhawan Space Centre, Sriharikota at 1250 hrs (12:50 pm) IST.
  • The seventh and final satellite of the Indian Regional Navigation Satellite System, the IRNSS 1G, was launched into a sub geosynchronous transfer orbit with a perigee (nearest point to earth) of 284 km and an apogee (farthest point to earth) of 20,657 km.
  • This was the thirty fourth consecutively successful mission of PSLV and the thirteenth in its ‘XL’ configuration.
  • IRNSS-1G has a lift-off mass of 1425 kg.
  • This launch also made India into the 5 selected nations that have their own GPS (Global Positioning System) or navigation system.
  • The system will be similar to the Global Positioning System (GPS) operated by the United States with 24 satellites and the Glonass, Galileo and BeiDou systems of Russia, Europe and China respectively.
  • IRNSS is an independent regional navigation satellite system designed to provide position information in the Indian region and 1500 km around the Indian mainland.
  • IRNSS provides two types of services, namely, Standard Positioning Services (SPS) – provided to all users and Restricted Services (RS) – provided to authorised users.
  • This navigation system will be controlled by ISRO’s Master Control Facility (MCF) at Hassan, Karnataka.
  • It may recall that IRNSS-1G is the seventh of the seven satellites constituting the space segment of the Indian Regional Navigation Satellite System. IRNSS-1A, 1B, 1C, ID, IE and 1F, the first six satellites of the constellation, were successfully launched by PSLV on July 02, 2013, April 04, 2014, October 16, 2014, March 28, 2015, January 20, 2016 and March 10, 2016 respectively.
  • On the Occasion Prime Minister of India, Narendra Modi, heartily thanked and congratulated all the ISRO scientists and team ISRO for completing IRNSS constellation and dedicated IRNSS to the nation as ‘NavIC’ (Navigation Indian Constellation).

Reference:
http://www.isro.gov.in/update/28-apr-2016/pslv-c33-successfully-launches-indias-seventh-navigation-satellite-irnss-1g
http://pmindia.gov.in/en/news_updates/pms-statement-after-successful-launch-of-irnss-1g/?comment=disable