Tag: Ellipsoid Heights

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 »