Originally Posted by
Wildwood
I'm worried that GPS is vulnerable to electro-magnetic disruptions/satellite attacks/etc; thereby, interfering with my cycling & fitness statistics. Odometer, and I do a roll-out every day for calibration accuracy, after filling tires to properly recommended pressure.
yes, well, the planet could be hit by a giant asteroid that would wipe out humanity and bring on the next ice age.
worry about something that you can affect. GPS jamming / spoofing is a thing.
don't ask me how I know
/markp