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Re:USAF Is Jamming GPS in Western U.S. For Largest Ever Red ... by tjohns on Saturday January 27, 2018 @01:31AM (#16245130)
Wouldn't the GPS ephemeris/almanac data would still list the satellite as inop, even if it's still transmitting?
Re:USAF Is Jamming GPS in Western U.S. For Largest Ever Red ... by jtolmar on Monday January 29, 2018 @01:42PM (#16259602)
They did, so actual GPS location chips weren't thrown off. But apparently there are GPS-based clocks out there that don't actually bother to read the almanac.

(I'm a few layers removed from the error report where I saw this so I don't really know the details.)