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ISRO successfully launches the fifth navigation satellite IRNSS-1E

The IRNSS-1E satellite joins four of its peers that are already operational in space.

By :  arka sengupta
Update: 2016-01-20 09:30 GMT
IRNSS consists of seven satellites to provide real-time data on the position of objects to aid road, air and maritime traffic apart from providing mapping and tracking services. (Photos: ISRO)
The PSLV-C31 launch vehicle ready for lift off a few days prior to the countdown.
The satellite IRNSS-1E.
The satellite IRNSS-1E.
The PSLV-C31 launch vehicle.
The applications of IRNSS include Integration with mobile phones, Aerial and Marine Navigation, Disaster Management, Vehicle tracking and fleet management, Precise Timing, Mapping and Geodetic data capture, Terrestrial navigation aid for hikers and travellers and visual and voice navigation for drivers.
The PSLV-C31 launch vehicle.
According to ISRO officials Space Applications Centre, Ahmadabad has been developing the ground receivers for the system.
The Space Application Centre and Private Industries also developing miniaturised navigational signal receivers.
The IRNSS would provide two services, with the Standard Positioning Service open for civilian use and the Restricted Service, encrypted one, for authorised users (military).
The satellite IRNSS-1E will join the four of its peers that are already operational in space.
Navigation Satellite System is a computer-operated system of navigation that uses signals from orbiting satellites and mapping data to pinpoint the user's position and plot a subsequent course.
The fifth satellite of the seven Indian Regional Navigation satellite system constellations (IRNSS-1E)
ISRO's workhorse launch vehicle, PSLV-C31.
Weighing 1425 kilogram during lift off, the satellite has the mission life of 12 years equipped with navigation payload and ranging devices.
SRO has announced that the remaining two satellites in the series will be put in place before March this year.
With this launch the Indian Space Research Organisation has been inching close to its ambitious programme of introducing indigenously developed navigation satellite system to provide accurate real-time position information service similar to GPS to users across the country and the region, extending up to an area of 1,500 km.
the PSLV-C31 launch vehicle being assembled.
ISRO's IRNSS being installed in the PSLV-C31 launch vehicle.
The IRNSS-1E satellite joins four of its peers that are already operational in space.

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