ISRO Prepares NVS-03 Launch: How NavIC, India's Own Navigation System, Works and What Has Gone Wrong
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The Indian Space Research Organisation (ISRO) is preparing to launch NVS-03, a new satellite for NavIC, India's homegrown regional navigation system. NavIC, which was earlier known as IRNSS, helps people and machines find their exact location. Many Indians use GPS every day for maps, taxis and deliveries, but GPS is run by the United States. NavIC was built so that India would have its own system for important needs.
NavIC is designed mainly for India and the area around it, reaching roughly 1,500 kilometres beyond the country's borders. The system is based on a group of satellites. Some of them stay in a fixed position above the Earth, while others move in a set path around it. Each satellite carries atomic clocks, which keep very precise time. A navigation receiver on the ground uses signals from several satellites to calculate a position. This is why the clocks and the satellites must work correctly for the system to be accurate.
The programme has also faced problems. In the past, some satellites had failures in their atomic clocks, which affected the accuracy of the service. Launch missions have sometimes faced technical difficulties as well, and engineers have had to fix these issues before new satellites could be added. ISRO has continued to improve the system and replace satellites that stop working. The NVS-03 launch is an important step in keeping NavIC strong and reliable for its users.
For readers in India, NavIC matters because it supports areas such as transport, fishing, disaster management and mobile devices that use location services. Experts say a dependable national system can reduce reliance on foreign networks, although GPS and other global systems are still widely used. As the launch date approaches, people will be watching to see whether the new satellite can improve the accuracy and coverage of NavIC.
Sources: Hindustan Times
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