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GPS glitch caused outages, fueled arguments for backup

from Inside GNSS

Less than a month after Europe switched off most of its Loran transmitters, a problem with GPS satellite timing signal triggered alarms across the continent and caused an unknown number of outages, including the disruption of some features of critical infrastructure. The GPS problem was caused by an error in ground software uploaded Jan. 26 as system operators removed space vehicle number 23 from service. more


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