...that's why you develop systems designed to bring them to a safe stop (in addition, stable IMUs can assist for several seconds, plenty of time to come to a sa

...that's why you develop systems designed to bring them to a safe stop (in addition, stable IMUs can assist for several seconds, plenty of time to come to a safe stop). That should be standard on all autonomous systems, TBH. And BTW, there are 4 GNSS systems, each run by a different country/entity. The odds of them all failing at the same time is very small.