卫星信息的查询和卫星方位查询，通过两个界面显示出来，卫星信号强度能够实时动态实现-The satellite information query and the the satellite azimuth query, satellite signal strength in real-time dynamic implementation by two interface displayed,

可以测试GPS信号的强弱，以及搜索到卫星的颗数-Can test the strength of the GPS signal, and the search to the number of pieces of satellite