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ISRO to develop replacement GPS for better accuracy

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Kolkata: India’s indigenous position determination system being developed by national space agency ISRO will serve as a “replacement GPS” for the public with enhanced access in remote areas, an official said here on Saturday.

It will also aid in navigation and monitoring of fleet (trucks and ships) movement, the official added.

“We will have our own position determination system using our own navigation constellation, the IRNSS series which will be operational by middle of next year. It is a kind of replacement GPS,” said Deviprasad Karnik, the director, publication and public relations, ISRO.

“The US is offering the GPS navigation. IRNSS is indigenous”, he added while talking to reporters here on the sidelines of a lecture on India’s Space mission and use of Space Technology as a solution to Sustainable challenges of Kolkata at Birla Industrial and Technological Museum.

Four of the seven satellites in IRNSS constellation (IRNSS-1A, 1B, 1C, and 1D) are in orbit. Remaining three satellites (IRNSS-1E, 1F and 1G) are targeted for launch during January 2016 to March 2016, he said.

“Once the constellation is completed, we need some time to establish the accuracy part, validation and other things. The advantage is that the navigation range has been designed to span around 1,500 km radius around India,” he said.

“GPS is not available at all places. Signal is weak in remote areas but our own signal will be available in remote areas with better accuracy.”

As an example of the app-based positioning service, Karnik said, it will help in effective management of fleet movement.

“Monitoring and effective management of fleet of trucks or ship monitoring will be done through spacecraft. For example, for ships the system can inform which route will be more effective. That will save time and fuel,” he said.

(IANS)

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India’s PSLV Along With 2 British Satellites Launched Successfully

Two satellites aboard the PSLV belong to Surrey Satellite Technologies Ltd (SSTL), UK, and is carried under commercial arrangement with Antrix Corp Ltd - the commercial arm of ISRO.

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Indian rocket lifts off with two earth observation satellites from UK
Indian rocket lifts off with two earth observation satellites from UK. Flickr

Indian rocket Polar Satellite Launch Vehicle (PSLV) lifted off successfully with two British satellites, NovaSAR and S1-4, from the rocket port here on Sunday night.

The PSLV-CA (Core Alone) version, standing 44.4 metres tall and weighing 230.4 tonnes, with thick orange flame at its tail lighting up the night skies rose up at 10.08 p.m. from the first launch pad.

The rocketport here has two launch pads.

PSLV
Indian rocket Polar Satellite Launch Vehicle  lifts off with two British satellites NovaSAR and S1-4, as seen from Chennai. IANS

According to the Indian Space Research Organisation (ISRO), after 17 minutes, 44 seconds following the PSLV lift-off, the two earth observation satellites will be launched into a 583 km sun synchronous orbit.

NovaSAR weighing 445 kg is a S-Band Synthetic Aperture Radar satellite intended for forest mapping, land use and ice cover monitoring, flood and disaster monitoring.

 

PSLV
Indian rocket Polar Satellite Launch Vehicle  lifts off with two British satellites NovaSAR and S1-4, as seen from Chennai on Sept 16. IANS

S1-4 weighing 444 kg is a high resolution Optical Earth Observation Satellite, used for surveying resources, environment monitoring, urban management and for disaster monitoring.

 

Also Read: ISRO Expects to Fly Its First Small Rocket Sometime Next Year

Two satellites aboard the PSLV belong to Surrey Satellite Technologies Ltd (SSTL), UK, and is carried under commercial arrangement with Antrix Corp Ltd – the commercial arm of ISRO. (IANS)