In Hunt-mode the GPS updates it's position every tenth second to WeHunts server. Your WeHunt application updates the hunting teams and GPS- positions from the server.
The App updates positions every fifth second if a GPS is located 250 meters from the user. 500 meters away the position updates every tenth second and 750 meters away from the user the position updates every fifteenth second. The purpose of this is to save the battery on your phone.
If the GPS travel faster than 70 km/h it updates it's position once a minute.