National Spatial Reference System

Image: NV5 Geospatial

October 2, 2023

Surveying on a busy runway

By Matteo Luccio

(Image: NGS Website)

March 20, 2023

Great funding opportunity to support geodesy: March 22 deadline!

By David B. Zilkoski

Image: Dave Zilkoski

April 6, 2022

The effects of vertical movement on NGS’s modernized 2022 NSRS

By David B. Zilkoski

Figure 10 from NOAA Technical Report NOS NGS 67 — Diagram of fictional case study location. The arrows correspond to hypothetical rates of ground subsidence. (Image: NGS)

April 7, 2021

NGS revises NOAA report on working in the modernized NSRS

By David B. Zilkoski

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

August 5, 2020

NGS releases modernized National Spatial Reference System updates

By David B. Zilkoski

May 3, 2017

Surveyors’ coordinate systems for 2022 and beyond

Source: GPS World

April 26, 2017

Research Online: GPS UTC anomaly, spatial reference system access

By GPS World Staff

June 5, 2014

Enhanced Sea-level Prediction System to Improve Coastal Flooding Plans

By Tracy Cozzens

October 19, 2012

Leica Geosystems SmartNet Adjusted to National Spatial Reference System

By GPS World Staff

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