Satellite GPS (Navstar) consists of 24 satellites divided into six satellites in orbit around the Earth is tilted at an angle 55 degrees to the Equator (Equator) in a manner similar build. Ball 4 satellites each orbit satellites orbit the earth20162.81 kmor12,600 milesfrom the satellites used. Time in orbit around the Earth 12 hours GPS works by receiving signals from satellites. The satellite is equipped with the specified position and time signals. The receiver. GPS will be processed to the time difference of the signal relative to the current time to change the distance between the receiver and the satellites. Which indicates the location of the sign above it. Read More site>>> http://gpsproreviews.com/
Read More site>>> http://gpsproreviews.com/