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 …
The PLSS Workgroup was formed by individuals and organizations in Wisconsin to advocate and advance the purpose and importance of the Public Land Survey System. Our goal is to educate and encourage State, County and Municipal agencies in improving, advancing and maintaining the Public Land Survey System statewide.
Software packages available to convert and transform coordinate reference systems.
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.
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.
The National Geodetic Survey has announce that the final “Report from the 2015 Geospatial Summit on Improving the National Spatial Reference System” is now available.
The National Geodetic Survey (NGS) has released presentations and webinar videos about the planned 2022 release of the new geodetic datums.
Implementing the new “GEOID12A” model is not necessary in the continental U.S.
Progress continues, despite some setbacks, towards the completion of the WI-HMP and WISCORS networks.
Readjustment of all GPS survey control in the US is being undertaken by NGS … and expected to be completed by 2007.