India gets its own GPS
India gets its own GPS with successful launch of 7th navigation satellite
With this, the country will not have to depend on a foreign power for
military navigation. With the complete system in place, thearmed forces
will be able to find their position accurately in the battleground and
direct ammunition and missiles deep into enemy territory, thanks to the
extended range of 1,500 km of the system beyond the borders.
The
IRNSS 1-G satellite, launched on Thursday, is the seventh member of the
Indian Regional Navigation Satellite System (IRNSS), completing a
constellation of satellites in geosynchronous and geostationary orbits
that will give Indian civilian and military users, and their partners,
access to a dedicated satellite navigation system that will not be
dependent on foreign governments or suppliers.
The total cost of the IRNSS mission 1,420 crore.
India gets its own GPS called NAVIC
Schedule of Launches, 2013-16
Mission Basics
The Satellite
IRNSS-1G,
seventh of the Indian Regional Navigation Satellite System (IRNSS).
Like its six predecessors, had a lift-off mass of 1,425 kg. All 7
satellites are configured identically.
The Vehicle
Polar
Satellite Launch Vehicle, in its 35th (and 34th consecutively
successful) flight. All IRNSS launches used the most powerful ‘XL’
version of PSLV, equipped with 6 strap-ons, each with 12 tonnes of
propellant.
The Orbits
3
of the 7 satellites will be located in suitable orbital slots in
geostationary orbit; remaining four will be in geosynchronous orbits
with the required inclination and equatorial crossings in two different
planes. IRNSS-1G was placed in a Sub-Geosynchronous Transfer Orbit
(Sub-GTO) about 20 minutes after lift-off.
The Service
IRNSS
will provide Standard Positioning Service (SPS) to all users, and an
encrypted Restricted Service (RS) to authorised users. IRNSS will
provide a position accuracy better than 20 metres in the primary
service area.
The Applications
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.
The Service Areas
*
The regional navigation satellite system will provide accurate position
information service to users in India and the region, extending up to
1,500 km from its boundary, which is its Primary Service Area. Beyond
that will lie an Extended Service Area, that will extend up to the edges
of the area enclosed by the rectangle imagined by latitudes 30 degrees
South and 50 degrees North, and longitudes 30 degrees East and 130
degrees East.
India gets its own GPS
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