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March 28, 2015
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Indian Launches Fourth IRNSS Spacecraft

The fourth satellite of Indian Regional Navigation Satellite System, IRNSS-1D, was launched toward its intended geosynchronous orbit (GSO) today (Saturday, March 28, 2015) onboard the Polar Satellite Launch Vehicle (PSLV-C27).

Seven satellites will comprise the IRNSS constellation being developed by the Indian Space Research Organization (ISRO) to provide navigational services. IRNSS will help augment the satellite-based navigation system of India, which is currently under development and will provide navigation, tracking, and mapping services to the South Asia region.


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