Monday, March 30, 2015

IRNSS-1D Satellite

ISRO's Polar Satellite Launch Vehicle - 27 (PSLV C-27) (rocket) successfully launched Indian Regional Navigation Satellite System 1-D (IRNSS-1D) into the orbit. With this launch, India is poised to operationalize the Indian regional navigation satellite system.

Whereas the Global Positioning System (GPS) of USA has global coverage, the IRNSS is meant for regional coverage. ISRO chairman A.S.Kiran Kumar said, "We will now be able to make use of our receivers to locate ourselves independently."

Note that IRNSS-1D is the 4th of the series of 7 satellites, which would form ISRO's IRNSS.

The launch of IRNSS

  • Launched by - Polar Satellite Launch Vehicle (PSLV-C27)
  • From - Satish Dhawan Space Center, Sriharikota
  • At - 5:19 PM
  • Orbit - Sub-geostationary orbit
  • Weight - 1,425 kg
  • Flight time -20 minutes
  • Project cost - Rs. 1,420 crore

Indian Regional Navigation Satellite System (IRNSS) coverage
It is a GPS-like regional satellite-based navigation system, developed by ISRO. Other navigation satellites, like -

  • Global Positioning System (GPS) (USA)
  • GLONASS (Russia)
  • Galileo (European Union)
  • Beidou Navigation Satellite System (BDS) (China)
- have global coverage, whereas IRNSS will focus on the region - up to 1,500 km beyond Indian border, between longitude 40° E and 140° Eand latitude ± 40°. 

Ground Infrastructure
A total 20 stations for generation and transmission of navigation parameters, satellite control and monitoring, mostly at airports, along with India GPS Aided Geo Augmented Navigation (GAGAN) ground elements. IRNSS will also have 2 Master Control Stations.

Application of IRNSS
  • Terrestrial, aerial and marine navigation
  • Disaster management
  • Vehicle tracking and fleet management
  • Integration with mobile phones
  • Mapping and geodetic data capture
  • Use in military, etc.

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