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The Indian Space Research Organisation (ISRO) today (28th April 2016) launched a PSLV rocket carrying the IRNSS-1G navigation satellite. The launch, which took place at Sriharikota Spaceport, Andhra Pradesh, completes deployment of the first-generation IRNSS constellation, giving India a fully-operational regional navigation system.This is the seventh and last satellite of Indian Regional Navigation Satellite System (IRNSS) constellation.
The satellite has a 12-year life span. With this launch, India has completed its landmark mission for a regional navigational system on par with US-based GPS. India is now among the only five nations that have their own GPS or navigation system. The well-known GPS is owned by the U.S. Air Force; Russia has GLONASS and China is expanding its regional BeiDou into a global system, also operated by its military. Europe’s GALILEO is a civil global system. They each have between 28 and 35 satellites.
About IRNSS-1G
- IRNSS - Indian Regional Navigational Satellite System
- Weight of IRNSS-1G - 1,425-kilogram (3,142 lb)
- Lifespan - 12 years
- IRNSS-1G is the seventh & final of the IRNSS series of satellites. This system of satellites will now provide navigational services to the region.
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- Remaining IRNSS Satellites are
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- IRNSS-1A,
- IRNSS-1B,
- IRNSS-1C,
- IRNSS-1D,
- IRNSS-1E,
- IRNSS-1F
- IRNSS-1G.
- All these satellites are identical 1,425-kilogram (3,142 lb) spacecraft developed by the Indian Space Research Organisation (ISRO) around the I-1K satellite bus.
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