Tag: WSLS

Geospatial Community Answers Call to Update Benchmarks

By Dick Kleinmann, PLS, and Mick Heberlein, PLS, PS, CFedS The National Geodetic Survey (NGS) rolled out a program in late 2020 asking surveyors to make GPS observations on existing benchmark monuments nationwide. The intent is to improve the vertical data model and tools that will facilitate transition to new 2022 datums. The effort will… Read More »

Task Force Positions Geospatial Community for Proposed 2022 Datum Changes

By Dick Kleinmann, PLS The National Geodetic Survey (NGS) soon will be replacing the North American Datum (NAD) of 1983 and the North American Vertical Datum (NAVD) of 1988 to improve the National Spatial Reference System (NSRS) – the system that defines latitude, longitude, height, and orientation throughout the nation. Read More »