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News: ISRO has launched a new NavIC satellite (NVS-01), belonging to the second generation of the Indian Regional Navigation Satellite System (IRNSS), known as NavIC.
What is importance of having regional navigation system to India?
Strategic independence as ISRO’s NavIC will operate independently without relying on GPS of other nations.
NavIC enables precise tracking and navigation for defence operations and military applications.
It enables precise tracking of commercial vehicles, enhancing road safety and efficiency.
It helps farmers in optimizing crop management, irrigation, and soil nutrient application.
Real-time tracking of fishermen and it sends timely alerts in case of potential dangers at sea.
It aids in scientific experiments, geological surveys, and geodetic network development.
It will help in tracking and responding to natural disasters, such as cyclones and floods.
Key Features of NVS-01 to overcome earlier issues:
The inclusion of the L1 frequency (besides L5 and S frequency) enhances compatibility with wearable devices and personal trackers. The inclusion of L1 frequency also increases interoperability with other satellite-based navigation systems.
The second-generation satellites will also have a longer mission life of more than 12 years. The existing satellites have a mission life of 10 years.
The heaviest in the constellation of NAVIC satellites (will be launched by a Geosynchronous Satellite Launch Vehicle (GSLV) rocket) - Previous satellites were much lighter and launched on PSLV. The higher weight allowance allows for more instruments and fuel to be loaded.
Advantages of NavIC:
After it becomes fully operational, NavIC open signals are expected to provide accuracy up to 5 meters, surpassing GPS accuracy (20 meters).
It provides prime example of ISRO’s potential. It reduces our dependence on Foreign systems.
India is the only country that has a regional satellite-based navigation system while there are four global satellite-based navigation systems — the American GPS, the Russian GLONASS, the European Galileo, and the Chinese Beidou.
NavIC signals arrive in India at a 90-degree angle, making them easier to receive even in congested or obstructed areas (unlike GPS).
Source – Indian Express