Your behavior appears to be a little unusual. Please verify that you are not a bot.


Image: National Geodetic Survey

The differences between published Geoid18 and Geoid12B values in Southern Louisiana

April 1, 2020

Example of a Large Difference Between Geoid12B and Geoid18 in Western North Carolina (Screenshot: National Geodetic Survey)

How to use the NGS Beta GEOID18 web map

June 5, 2019

Image: National Geodetic Survey

NGS 2018 GPS on BMs program in support of NAPGD2022 — Part 8

August 1, 2018

Figure 2 - Positive GPS on BMS Residuals Using Geoid16b_NAD model (note: rejections by geoid team have been removed).

Analyzing NGS’ GPS on benchmark dataset used to make GEOID12B — Part 9

October 5, 2016

This article is tagged with , , , , , and posted in Opinions, Survey