RTNMay 2

#DirectionsMag:
"
One of India’s four navigation satellites has gone out of service, creating a fresh problem for the NavIC network. ISRO said the satellite IRNSS-1F was effectively lost for core use after its onboard atomic clock failed, a reminder that in satellite navigation, one component can matter as much as the whole spacecraft.
"

https://www.directionsmag.com/articles/irnss-1f-satellite-fails

1.5.2026

#GNSS #India #Indien #IRNSS #IRNSS1F #NavIC #Navigationssatellit #Raumfahrt #Satelliten #Satellitennavigation #SpaceFlight

Show threadRTNMar 14

#TheHindu:
"
Failure of atomic clock cripples ISRO’s NavIC system
"
"The last atomic clock aboard the Indian Space Research Organisation’s (ISRO) Indian Regional Navigation Satellite System (IRNSS)-1F satellite has failed, .."
".. imported by ISRO from SpectraTime, a Switzerland-based maker .."

https://www.thehindu.com/sci-tech/isro-navic-system-atomic-clock-failure/article70743233.ece

14.3.2026

#GNSS #Indien #IRNSS #IRNSS1F #ISRO #NavIC #NavSat #Navigationssatellit #Raumfahrt #Satelliten #SpaceFlight

Failure of atomic clock cripples ISRO’s NavIC system

IRSO's NavIC system faces challenges as the last atomic clock fails, reducing operational satellites for navigation services.

The Hindu
RTNMar 14

#Indianexpres:
"
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 .."

"IRNSS 1-F, launched on March 10, 2016, failed after its last functional atomic clock malfunctioned,"

https://indianexpress.com/article/india/navic-satellite-irnss-1f-failure-atomic-clock-malfunction-10581224/

14.3.2026

#GNSS #Indien #IRNSS #IRNSS1F #ISRO #NavIC #NavSat #Navigationssatellit #Raumfahrt #Satelliten #SpaceFlight