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Your GPS device may stop working April 6

DonS

Stuck in Toronto
Moderator
Yes, it might, especially if it is an older one.

https://www.pcmag.com/news/366521/your-gps-devices-may-stop-working-on-april-6

https://www.theregister.co.uk/2019/02/12/current_gps_epoch_ends/

GPS signals from satellites include a timestamp, needed in part to calculate one's location, that stores the week number using ten binary bits. That means the week number can have 210 or 1,024 integer values, counting from zero to 1,023 in this case. Every 1,024 weeks, or roughly every 20 years, the counter rolls over from 1,023 to zero.

The first Saturday in April will mark the end of the 1,024th week, after which the counter will spill over from 1,023 to zero. The last time the week number overflowed like this was in 1999, nearly two decades on from the first epoch in January 1980.​
 
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