ISRO Missions and Discoveries

ISRO plans to launch radar imaging satellite in May

Note4Students

From UPSC perspective, the following things are important :

Prelims level : RISAT

Mains level : Significance of the RISAT Mission

  • India is planning to launch its radar imaging satellite RISAT 2BR1 sometime towards the end of this May on one of the variants of its Polar Satellite Launch Vehicle (PSLV) rocket.

RISAT 2BR1

  • The RISAT was first deployed in orbit on April 20, 2009 as the RISAT-2.
  • It uses synthetic aperture radars (SAR) to provide Indian forces with all-weather surveillance and observation, which are crucial to notice any potential threat or malicious activity around the nation’s borders.
  • Following the 2008 Mumbai terror attacks, the launch of RISAT-2 was prioritized over RISAT- 1, as its C-band SAR radar was not yet ready and RISAT -2 hence carried Israeli-built X-band radar.
  • The to-be-deployed RISAT-2BR1 satellite uses the same SAR band and will further improve India’s imaging reconnaissance abilities.
  • The rocket that would carry RISAT 2BR1 is designated as PSLV-C46 as per ISRO’s numbering system and will blast off from the first launch pad at the country’s rocket port in Sriharikota.
  • Following the launch of RISAT 2BR1, ISRO will send up a cartography satellite Catosat-3.
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