Image: Dave Zilkoski

The effects of tectonic plate movement on the modernized 2022 NSRS

February 2, 2022

It’s the beginning of 2022 and the new, modernized NSRS is only about three years away. Hopefully, everyone […]

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This article is tagged with CORS, epp2022, Euler Pole, horizontal velocity, IFDM2022, ITRF2014, ITRF2020, modernized NSRS, NGS Map, tectonic plates and posted in Opinions, Survey

Image: FrankRamspott/iStock/Getty Images Plus/Getty Images

FIG workshop delves into Great Lakes, highlights GNSS techniques

August 4, 2021

In one of my previous columns, I described the National Geodetic Survey’s (NGS) plans for replacing the North […]

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This article is tagged with Canada, Global Geodetic Reference Frame, modernized NSRS, NAPGD2022, National Geodetic Survey, United States and posted in Opinions, Survey

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