Here is a video to help explain false alerts and how AngelSense overcomes GPS limitations.
The two main ways to reduce false alerts are:
If GPS reception is poor but AngelSense analytics suspects a potential exit, an alert is still being sent, to be on the safe side. In such cases, additional information is provided to help determine if the alert is false or not. The following indicates the alert is likely false:
- Poor GPS reception in the status bar
- A question mark at the end of the notification, e.g. “Joseph left School at 16:32 (?)”
- The departure transit entry in the schedule is grayed out, e.g.:
- A random route, not characteristic of walking or driving, e.g. the route on the right below: