India to have its indigenous satellite system navigation
ISRO(Indian Space Research
Organization) is on the way to establish its own satellite navigation system. This
will make India the sixth country to have its own navigational setup after global positioning system of the US, Glonass of Russia,
Galileo of Europe, China's Beidou or the Japanese Quasi Zenith Satellite System . ISRO
have successfully placed its two out of three geosynchronous. Satellite in their
respective orbit the system is to be functional in year 2015.
Indian Regional Navigation Satellite System-1B (IRNSS-1B)
the second of the four satellite was
launched on april 4 2015 in the evening around
5:14 pm.The 1,432 kg satellite was carried by Indian rocket Polar
Satellite Launch Vehicle (PSLV).
Satish Dhawan Space Centre (SDSC)-SHAR
director M.Y.S.Prasad told IANS: "Though the IRNSS is a seven satellite
system, it could be made operational with four satellites."
IRNSS description :
IRNSS
comprises of a space segment and a ground segment. The IRNSS space segment
consists of seven satellites, with three satellites in geostationary orbit and
four satellites in inclined geosynchronous orbit. IRNSS-1A, the first satellite
of the IRNSS constellation, has already started functioning from its designated
orbital slot after extensive on orbit test and evaluation to confirm its
satisfactory performance.
Range:
It is designed to provide accurate position
information service to users in India as well as the region extending up to
1500 km from its boundary, which is its primary service area. The Extended
Service Area lies between primary service area and area enclosed by the
rectangle from Latitude 30 deg South to 50 deg North, Longitude 30 deg East to
130 deg East.
Accuracy:
it is expected to accurate up
to a proximity range of about 20m.
Life span:
Its estimated life span is
expected to be around 10 years.
Applications of IRNSS:
- Terrestrial, Aerial and Marine
Navigation
- Disaster Management
- Vehicle tracking and fleet
management
- Integration with mobile phones
- Precise Timing
- Mapping and Geodetic data capture
- Terrestrial navigation aid for
hikers and travellers
- Visual and voice navigation for
drivers
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