How GPS works - 0 views
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Mr.santirat klangklom on 09 Nov 12GPS Navigator with Lifetime Map Read More>>>> http://gpsproreviews.com/how-gps-works/ -
Mr.santirat klangklom on 13 Nov 12Always with a ground station. The last element is the position of the satellites and the signals that are either (Almanac) to the GPS receiver with the satellite's orbit have been predetermined, and when it was sent into space. Control station to monitor the satellite's orbit over time to verify accuracy.See More >>> http://yesiamsure.wordpress.com/2012/11/07/what-is-gps/