Tag Archives: geodesy

From NOAA Historic Coast & Geodetic Survey (C&GS) Collection, C&GS Season's Report 1914, Seran.

Geodesy around the Campfire

Although I thoroughly enjoy what I do for a living as a land surveyor specializing in geodetic control work, I often tell people it makes for really lousy dinner conversation. Rarely does it take more than a sentence or two to generate blank stares, gestures of confusion, and drastic attempts to change the subject. The...

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...

Subsidence

Do you know where your control really is?  Editor’s note: The earth moves, even if we do not want it to – or we do not perceive that it does. If you are surveyor working in any part of the country your work will be subject to some degree of subsidence or deformation – be...

Fundamentals of Geodesy

Part 1: An Introduction Editor’s note: With this article we start an overview of GeoLearn courses offered by Dave Doyle, former chief geodetic surveyor for the National Geodetic Survey and geodesy editor of xyHt.  GeoLearn (geo-learn.com) is an online education business helping professionals reach mandatory continuing education requirements and sort through everyday work issues. Dave’s...