All posts by Dru Smith
![C&GS magnetic station disk](/wp-content/uploads/2018/01/p1010432a-272x192.jpg)
2022 Monumental Changes, Part 2
The U.S, National Geodetic Survey continues its examination of the impacts to passive geodetic control networks by the planned 2022 reference frame modernization. Editor’s note: A Field Notes article by Scott Martin posed the question, “Are HARNs on Death Row?” and Dru Smith began answering that in the December 29017 xyHt cover story. Here in...
![xyht 2022](/wp-content/uploads/2017/12/DecCover-272x192.jpg)
2022: Monumental Changes, Part 1
The National Geodetic Survey of the U.S. responds to surveyors’ questions on how legacy physical geodetic monuments will be affected by the planned 2022 reference framework modernization. Editor’s note: A recent article in xyHt’s online newsletter, Field Notes, prompted a discussion among surveyors on the pending 2022 modernization of the National Spatial Reference System (NSRS) for...
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The Modernized NSRS (A Summary)
Editor’s Note (from Scott Martin): When I learned that NGS and Dru Smith (the NSRS modernization manager for the NGS) had requested to respond to my August Field Notes, I was quite intimidated. However, my fears were quickly quelled. Thank you, Dr. Smith! As mentioned below, a more extensive and informative response on the monumental...
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2022
The NGS discusses the upcoming national spatial reference framework modernization. Reference framework shift happens. The National Geodetic Survey (NGS)—the federal steward of the National Spatial Reference Framework (NSRS)—is planning a major (if not fundamental) update of the framework. This pending update is common knowledge among geodetic, surveying, and other geospatial communities. Among the information circulating...