Update on National Spatial Reference System Modernization Plans

The National Geodetic Survey has updated its plans and schedule for modernization of the National Spatial Reference System.

Participate in GPS on Benchmarks Program

The National Geodetic Survey is asking surveyors to collect GPS observations to improve the accuracy of the new National Spatial Reference System.

David Vogel to serve as liaison to surveying and geodetic communities

With Brenda Hemstead’s retirement, David Vogel will become the SCO’s liaison to Wisconsin’s surveying and geodetic communities.

Professor Alan Vonderohe’s book on the new 2022 datums is now available

In 2022 the National Geodetic Survey (NGS) will replace NAD 83 and NAVD 88 with new horizontal and vertical reference systems known as the North American Terrestrial Reference Frame of 2022 (NATRF2022) and the North …

Geodetic Control Point Data

Geodetic control refers to permanent reference markers placed in the ground and precisely marked, located and documented. These markers provide accurate reference points to support the production of consistent and compatible data collection for surveying and mapping projects. Wisconsin has tens of thousands of survey control monuments placed by numerous agencies over many decades, so the avenues for finding control point information are varied. 

New export option in SCO Finder applications

GPX format now available in ControlFinder and PLSSFinder.

Looking for Wisconsin geodetic control?

ControlFinder continues to grow as an integrated, online catalog of Wisconsin’s geodetic control data.

SCO launches new versions of Finder applications

The Wisconsin State Cartographer’s Office recently launched new versions of its popular ControlFinder and PLSSFinder applications.

Looking for geodetic control? Check out ControlFinder

Several new features have been added to the SCO’s online web application for locating geodetic control.

Survey station RON RIPP dedicated

The National Spatial Reference System now has a permanent station named RON RIPP GPS. The station, set in a very attractively built and landscaped area in Indian Lake County Park near Madison, was officially dedicated on November 1, 2006.