From Wazeopedia


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GPS (Global Positioning System) is used in the [[Waze app]] to get your position and display it on the map. Your phone receives the GPS signal from a number of satellites via a GPS antenna which passes the GPS signal via a driver through to the app. The Waze app tries to map maps the ''rawgps raw gps location'' to the map as the blue arrow (if using the standard pointer). <br />
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Possible problem sources:
* the number of available and used satellites* your phones GPS antenna(beware of metallic objects blocking the antenna)* the software on your phone (beware of battery saving turning off GPS, switching between apps)* Phone settings: sensure that your location services are enabled... 
===GPS tracks===
[[File:Gps-tracks.png|right|400px]] In the [[Waze Map Editor#Layers_menu|WME]] a GPS layer is available which will show tracks from Waze users as they drive with Waze running.<br />Travellers by train also often use Waze, so not all GPS tracks refer to drivable roads. Sometimes the phone's GPS signal is interrupted: the GPS track shows a straight line, a shortcut to the next received position. Sometimes the GPS track is shifted for hundred meters or more because of a faulty signal. <br />