Wis. Stat. § 85.63: Surveying reference station system.

(1) The department shall administer a surveying reference station system consisting of all of the following:

(a) A passive system consisting of a network of monuments located throughout the state that are used to generate latitude, longitude, and elevation data.

(b) An active surveying reference station system consisting of reference stations statewide that continuously transmit global positioning system data to a system server, and the server that receives and processes the data received from the reference stations.

(2) The department may charge a fee for providing access to the system under sub. (1) in an amount to be established by rule. All fees received under this subsection shall be deposited in the general fund and credited to the appropriation account under s. 20.395 (3) (jg).