In 2026, researchers from the Universitat Autònoma de Barcelona reported in Satellite Navigation a new outer-loop positioning framework for LEO Doppler observations that explicitly accounts for signal ...
A sudden atomic clock failure on March 13, 2026, disabled a key NavIC satellite within minutes, prompting concerns over India ...
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India’s navigation satellite system suffers major setback: 1 of 4 operational IRNSS satellites fails
At least four indigenous navigation satellites must be fully operational for the NavIC system to provide navigation services ...
ISRO's IRNSS-1F satellite has failed after its atomic clock stopped, leaving only three satellites to support India's NavIC ...
IRSO's NavIC system faces challenges as the last atomic clock fails, reducing operational satellites for navigation services.
Launched aboard the PSLV–C32, ISRO’s workhorse, and successfully placed into geosynchronous orbit on March 10, 2016, it was ...
India's NavIC navigation system faces critical issues. Malfunctioning atomic clocks on its satellites have rendered the ...
Atomic clocks are key for satellites being able to provide positioning data that is used for applications such as navigation ...
Breakthrough trial with Tiqker clock aboard XCal submarine advances resilient navigation in GPS-denied environments Testbed submarine XV Excalibur went to sea with Infleqtion’s quantum optical atomic ...
India's indigenous satellite navigation system NavIC has reportedly been rendered effectively defunct following the failure ...
Bengaluru: India’s domestic navigation system, NavIC, has officially ceased operations after the number of functional ...
On 13th March 2026, the procured on-board atomic clock stopped functioning. However, the satellite will continue to function ...
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