I figure that if I go down on one of the city/suburb/close rural roads, then someone will find me.
Nonetheless, one would want a system that was good enough to detect problems without false positives.
So the system should ignore:
- Stopping for a break.
- Flat Tires, broken spokes, broken chain, etc.
- Hill Climbs.
- Shopping
- Going for a walk.
- Piddle Stop.
I think some of the systems are now smart enough to use changes in HR as part of the heuristics.
My biggest concern would be going down on a mountain pass cross-over. Often steep, switchbacks, dropoffs, and I presume no cell service for any carrier.
If I went over the bank, I might be lucky if my bike was found a decade later, and connected back to the missing person.