India's T20 World Cup 2026 squad announcement today triggered immediate buzz, and the hottest talking point? Shubman Gill's exclusion. At the same time, Rinkuy Singh and Ishan Kishan made their way back into the setup as India begin their title defence preparation
Top ISRO official bats for sovereign satellite navigation constellation
India is pushing for its own satellite navigation system, NAVIC. This comes after recent GPS spoofing incidents at major airports like Delhi and Mumbai. ISRO plans to launch more NAVIC satellites next year to improve its capabilities. This move aims to reduce reliance on the US GPS system and enhance national security. NAVIC currently covers India and surrounding areas.
Against the backdrop of incidents of GPS spoofing at airports in India, a top ISRO official on Tuesday made a strong pitch for a home-built global navigation system to reduce dependence on the global positioning system of the US.
In an interactive session at the Geosmart India Conference and Expo, Prakash Chauhan, Director of ISRO's National Remote Sensing Centre, said sovereign satellite constellations for providing positioning, navigation and timing (PNT) services were the need of the hour, given the current geopolitical realities.
India operates the Navigation with Indian Constellation (NAVIC), its own regional navigation system with 11 satellites, of which only four are fully operational. Another four satellites are being used for one-way message broadcast, one has been decommissioned, and two could not reach their intended orbit.
Chauhan said ISRO has already drawn up plans to augment the NAVIC platform and new satellites will be launched beginning next year.
At least five countries have their own fully operational navigation systems - GPS of the US, GLONASS of Russia, Galileo (European Union), BeiDou (China) and QZSS (Japan).
Chauhan said that for acceptance of the NAVIC system on a larger scale, it will have to provide global coverage and not limit itself to the Indian subcontinent.
The NAVIC system covers the entire Indian region and also the region extending up to 1,500 km around the country on dual frequencies in L5 and S bands. L5 and S bands are radiofrequency bands used in satellite navigation communication.
The government on Monday told Parliament that several airports, including Delhi, Mumbai and Bengaluru, saw GPS spoofing signals last month, but said there was no impact on flight operations.
The spoofing of the Global Navigation Satellite System (GNSS) is an attempt to manipulate the navigation systems in a way that they show the wrong position, speed or time.
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Source: EconomicTimes
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India's T20 World Cup 2026 squad announcement today triggered immediate buzz, and the hottest talking point? Shubman Gill's exclusion. At the same time, Rinkuy Singh and Ishan Kishan made their way back into the setup as India begin their title defence preparation
2 months ago
