This may be seen possibly as a summary of destinations and ailments – relocating, stationary etc – or on the map perspective. This was exact to inside a several metres of the stopped vehicle for this examination. Some (though none examined here) will incorporate VHF monitoring together with GSM positioning https://www.trackerfit.co.uk/blog/stolen-car-recovery-why-24-7-monitored-trackers-make-a-difference/