GPS PROS Group Forum is for any member of LSU that is a professional land surveyor using primarily GPS in the field. Geodetic / Global Positioning Systems (GPS) Get help and offer support with survey grade GPS!
Basic concept of GPS
Basic concept of GPSA GPS receiver calculates its position by precisely timing the signals sent by the GPS satellites high above the Earth. Each satellite continually transmits messages containing the time the message was sent, precise orbital inform
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