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GPS reception

Outdoors: GPS technology is generally accurate. Bad satellite signals and signal interference happens when something gets in the line of sight between the GPS device and the satellites. Tall buildings, dense foliage, mountains and even reflective objects can cause interference. Furthermore, accuracy problems can arise from a variety of conditions ranging from atmospheric to terrestrial.


Indoors: GPS typically has no reception. This normally does not impact the app, since AngelSense smart analytics “understands” the child has not exited that place and it is likely that the child is still indoors in that place.


In vehicles: GPS signals are typically accurate. In case of GPS reception issues in a vehicle, knowing where the device is located within the vehicle may help. For example, if it is in the middle of the vehicle as compared to near a window, or worn on the back as opposed to on the front or side pockets.


GPS can also be affected by poor signal strength from the device being pressed up against something metal. You may try to have your child wear their device in a different location to see if this helps.


GPS 1 users, please make sure the device orientation is correct. See “How do I attach the device to my child’s clothing?” where part 3 addresses proper positioning of the device for maximum GPS accuracy.


Official U.S. government information about the Global Positioning System (GPS) and related topics 


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