TAG: North American Vertical Datum of 1988

Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 1

June 7, 2017By

On April 24-25, 2017, the National Geodetic Survey (NGS) hosted the 2017 Geospatial Summit in Silver Spring, Maryland, to discuss its plans for replacing the North American Datum of 1983 (NAD 83) and the North American Vertical Datum of 1988 (NAVD 88) in 2022. The Summit was a day and a half long and provided an opportunity for NGS to... read more

NGS to replace NAVD 88 in 2022: What GNSS users need to know

December 7, 2016By

Understand the differences between the North American Vertical Datum of 1988 and the new 2022 Vertical Reference Datum My Survey Scene columns have focused on procedures and routines for establishing GNSS-derived orthometric heights. My last column focused on analyzing NGS’ GPS on BM data set that is used to make National Geodetic Survey’s (NGS) hybrid geoid models. It provided procedures... read more