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Indian Home-grown GPS ‘Gagan’ likely by 2014

indian_foxhound

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Home-grown GPS


For this, series of navigation satellites to be
launched, says Ramakrishnan India will launch this year the first of its series of
navigation satellites required to provide regional
navigation service, independent of the U.S.-
controlled GPS (Global Positioning System), said S.
Ramakrishnan, Director, Vikram Sarabhai Space
Centre (VSSC). He said that now we rely on the GPS for the
navigation service. Europe, Russia and China
were either having or evolving their own
navigation services independent of the GPS. The
Indian Space Research Organisation too was
planning to evolve indigenous navigation service to provide enhanced and more precise
navigation. To provide this service, to be
christened ‘Gagan,’ India needed to launch a
number of satellites and the first of this series,
the Indian Regional Navigation Satellite System
(IRNSS), would be launched by the PSLV C-22 rocket, probably in the second half of this year.
After all the required satellites were launched,
India would be in a position to provide
navigation service through ‘Gagan’ probably in
2014, Dr. Ramakrishnan added. He was speaking
to reporters on the sidelines of an international conference on “Bio energy, Environment and
Sustainable Technologies” (BEST 2013), a four-
day event, organised by the Arunai Engineering
College here. To a question on Chandrayaan-II, he said the
moon mission was getting delayed since Russia,
partner of the programme, was completely
reviewing the spacecraft design after the failure
of its own mars mission. Earlier, delivering the inaugural address at BEST
2013, he said space science was playing a crucial
role in surveying and assessing environmental
damage like depletion of the ozone layer,
shrinking of the polar ice cap and pollution of
coastlines.
 
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We are already in 2013, so india will basically build a gps system in less than 2 years!?!
 
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We are already in 2013, so india will basically build a gps system in less than 2 years!?!

Its coverage is limited to parts of Asia surrounding India and some parts of Africa and Australia

It doesn't have global coverage
 
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Well you guys have not launched a satellite, yet. To cover india with a reasonable accuracy i cant see anything less than 10 satellite.

2-3 satellites are being sent up this year alone. More will follow newt year. And IIRC ISRO has said the IRNSS constellation will consist of 7 satellites- 3 will be in Geostationary orbit. The accuracy (for civilians) will be <7ms for the military the accuracy is classified. Mush of the groundwork is complete, funding is there, knowledge is there and satellites are being completed- all looks very promising IMHO. 2014 (end) is a very achievable deadline.


IRNSS projected coverage:

IRNSS_COVERAGE.png


Its coverage is limited to parts of Asia surrounding India and some parts of Africa and Australia

It doesn't have global coverage
 
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