IDOT helping to improve the accuracy of location data 

A new project led by the Illinois Department of Transportation (IDOT) is helping improve the accuracy of location data used for surveying, mapping, construction, engineering and a host of other applications.

Over three days in August, IDOT started laying the groundwork to create a network of fixed monuments referred to as Continuously Operating Reference Stations, with installations in Litchfield, Petersburg and Jacksonville. The stations will serve as reliable reference points to continuously record and transmit 3D location data to satellites and other receivers in the area, enabling them to determine their position with greater precision.

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