source code is here!
Show Location Difference between sensing by using GPS and sensing by using Wifi on Google map.
You can know different of accuracy 2 sensors.
Maybe you think enough to know your position by wifi at city.
Tags: gps wifi 精度 , wifi location , accuracy gps , wifi gps , gps diff , location gps wifi , gps 精度 , wifi gps 精度 , location display system wifi gps