GPS Surveys

Global Positioning System is the sophisticated survey technology, it is an easy survey method while compared with Total Station where man can access. The GPS is able to receive signals from satelites and from its base same time. GPS is a highly accurate navigation system using signals from satellites to de- termine a location on the Earth’s surface, irrespective of weather conditions.

It is dependent on GPS satellites high above the Earth which transmit signals containing the time and location of the satellite. Any ground-based receiver which receives signals from four or more GPS satellites can use navigation equations to calculate its location on the Earth’s surface. Constant signaling can then update speed and direction information for moving receivers.

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