Fun with Geodesy

February 2, 2018

Okay, maybe geodesy isn’t fun for most of us. But Dave Doyle, former Chief Geodetic Surveyor with the National Geodetic Survey, has a knack for making the topic interesting and entertaining.

Wisconsin Coordinate Reference Systems, Second Edition

August 1, 2017

This handbook is a technical guide and resource for those who work with geospatial information in Wisconsin. It provides a brief overview of the history, evolution, and basics of Wisconsin’s coordinate reference systems, and compiles in one place the technical specifications for systems most commonly used in the state.

Wisconsin County Coordinate System (WCCS) Parameters

Please note: WCCS was redesigned in 2006 and replaced by a new system called WISCRS. These parameters are provided for historical reference. For more information, see the SCO publication “Wisconsin Coordinate Reference Systems.”

Jackson County Coordinates – Notice to Users

Prior to the 2006 redesign of WCCS, two coordinate systems existed for Jackson County, WI. One system is part of the statewide Wisconsin County Coordinate System as documented in the 1995 Coordinate Systems Handbook published by the SCO. The other system was created by Jackson County, and is named by the county as the Jackson County Official Projection. It is important to note that these two systems have distinctly different parameters,

Coordinate Reference Systems

July 15, 2017

Coordinate systems are used to accurately identify locations on the Earth’s surface, and are one of the fundamental building blocks that make modern Geographic Information Systems possible. This pages contains more information on coordinate reference systems commonly used in Wisconsin.

Learning Center

July 13, 2017

We answer hundreds of technical mapping-related questions every year from both the general public and geospatial professionals. This page provides more information on some of the most common questions we receive from map and GIS users.