What is the news?
India’s indigenous satellite navigation network suffered a major setback when one of its satellites stopped functioning after spending a decade in orbit. The development may impact the country’s Navigation with Indian Constellation (NavIC) system, which provides positioning and navigation services for civil and government applications. The IRNSS-1F satellite, part of the Indian Regional Navigation Satellite System (IRNSS), lost its last working atomic clock.
life cycle
Satellite completes life cycle
The IRNSS-1F satellite was launched on March 10, 2016, and recently completed its scheduled 10-year mission. According to sources, the spacecraft’s last functioning atomic clock malfunctioned, losing its navigation functionality. Initially the satellite had 3 atomic clocks, but over time 2 of them stopped working. The last clock also continued to run for some time, then broke down.
What was the impact of the shutdown of the satellite?
The NavIC navigation system requires a minimum of 4 operational satellites to provide reliable navigation services to users in India and adjacent regions. The number of satellites providing positioning, navigation and timing (PNT) services has further reduced following the reported failure of IRNSS-1F. Space Department sources said that this malfunction may affect the navigation services provided through NavIC.
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