A virtual reference station network covering a metropolitan area supplies position corrections to commuter buses equipped with a driver-assist system to enable safe operation, even under harsh weather ...

The DGPS is an enhancement to the Global Positioning System that provides improved location accuracy from the 15-metre nominal GPS accuracy to about 10 centimetres.

A DGPS guidance system developed to automatically steer tractors with an accuracy of 5cm will be marketed by Renault Agriculture in 2003. The system, Easy Drive, has been designed to work with ...

DGPS is expected to give better location accuracy over Global Positioning Survey and is expected to surpass challenges arising from nature of terrain. It will also yield fast results.