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Figure 2 – Approximate Change Between NAPGD2022 and NGVD 29 Using GPS on BMs Data (units = cm). (Image: National Geodetic Survey)

NGS releases modernized National Spatial Reference System updates

August 5, 2020

The National Geodetic Survey (NGS) recently announced two new items related to the modernized National Spatial Reference System […]

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This article is tagged with David B. Zilkoski, modernized NSRS, National Geodetic Survey, National Spatial Reference System, NGS, NSRS and posted in Opinions, Survey