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


TAG: David B. Zilkoski

Click to enlarge. (Image: NGS)

NGS 2018 GPS on BMs program in support of NAPGD2022 — Part 7

June 6, 2018

Source: NGS

NGS 2018 GPS on BMs program in support of NAPGD2022 — Part 6

April 4, 2018

Image: NOAA's National Geodetic Survey

NGS 2018 GPS on BMs program in support of NAPGD2022 — Part 5

February 7, 2018

Source: Zilkowski

Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 4

December 6, 2017

Source: Zilkoski

Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 2

August 2, 2017

Figure 1 – Approximate Change Between NAPGD2022 and NAVD 88 Using GPS on BMs Data (units = cm). (Image: National Geodetic Survey)

Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 1

June 7, 2017

Source: GPS World

A look at NGS’ GPS on benchmarks program in Alaska

April 5, 2017

This article is tagged with , , , and posted in Opinions, Survey
Source: David B. Zilkoski

Establishing orthometric heights using GNSS — Part 11

February 1, 2017

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