Tag Archives: NSRS

Single zone proposal

State Plane Coordinates 2022

Ready or not, here they come. Considering all of the outreach that the National Geodetic Survey (NGS) has been doing for the last couple of years, hopefully most of you are well aware of the National Spatial Reference System (NSRS) Modernization Project. That project will result in the replacement of both the North American Datum...

How Accurate Is an RTN?

Many surveyors have realized the benefits of using real-time GNSS networks (RTN) for survey-grade positioning. Saving time, equipment, and personnel means saving project costs. The thing about real-time GNSS surveying, however, is that “rover expertise” needs to be applied in the field (not the office). Additionally, many factors involved with GNSS signalization, as well as...

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...

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...