30-05-2017 03:00 AM | Lathika Saju | My Indian Dream
India will soon have its own GPS system, NavIC which is claimed to be more accurate than the US system and will provide accurate position information to users within the country
India is all set to have its own GPS as the Indian Regional Navigation Satellite System (IRNSS) which has been named NavIC is undergoing tests for accuracy and will be available for public use early next year. This has been disclosed by Tapan Misra who is the director of Ahmedabad-based Space Application Centre (SAC).
In order to complete its Indian Regional Navigation Satellite System (IRNSS), India needed a constellation of seven satellites in space. India achieved this feat in April last year when ISRO launched IRNSS-1G which is the seventh satellite in the series. The satellite was launched successfully and guided into its orbit.
The principle behind the navigation system is - less the distance, more the accuracy. The SAC director said that the American GPS which uses 24 satellites in a constellation and covers the entire world has a position accuracy of 20-30 metre, whereas India's NavIC with seven satellites covers only India and its surroundings and has a position accuracy of 5 metre. Therefore, NavIC is more accurate than the GPS.
NavIC is developed by the ISRO at a cost of Rs 1,420 crore. It will assist in terrestrial, aerial and marine navigation, vehicle tracking and fleet management, disaster management, mapping and geodetic data capture, visual and voice navigation for drivers. Hikers and navigators can use this service to their advantage by integrating it with their mobile phones. The military will be using it for missile delivery, navigation and tracking of aircraft.
The GPS project was started by the US in 1973 and India was dependent on it for many years. India felt an urgent need for developing its own indigenous navigation system when in 1999 it was denied GPS information during the Kargil war by the US. Now, NavIC will enable India to enter into the group of select countries which have their own positioning systems. Russia has its GLONASS and the European Union, its Galileo. China is also in the process of building Beidou Navigation Satellite System.India is all set to have its own GPS as the Indian Regional Navigation Satellite System (IRNSS) which has been named NavIC is undergoing tests for accuracy and will be available for public use early next year. This has been disclosed by Tapan Misra who is the director of Ahmedabad-based Space Application Centre (SAC).
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