Figure 1 – Approximate Change Between NAPGD2022 and NAVD 88 Using GPS on BMs Data (units = cm). (Image: National Geodetic Survey)

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

June 7, 2017

On April 24-25, 2017, the National Geodetic Survey (NGS) hosted the 2017 Geospatial Summit in Silver Spring, Maryland, […]

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This article is tagged with David B. Zilkoski, NAD 83, National Geodetic Survey, NAVD 88, NGS, North American Datum of 1983, North American Vertical Datum of 1988, North American-Pacific Geopotential Datum of 2022 and posted in Opinions, Survey

[FIGURE 1] New Datums: Approximate Orthometric Height Change

NGS to replace NAVD 88 in 2022: What GNSS users need to know — Part 10

December 7, 2016

Understanding the differences between the North American Vertical Datum of 1988 and the new 2022 Vertical Reference Datum […]

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This article is tagged with National Geodetic Survey, North American Vertical Datum of 1988, orthometric heights and posted in Opinions, Survey