Image: National Oceanic and Atmospheric Administration

NGS 2018 GPS on BMs program in support of NAPGD2022 — Part 9

October 3, 2018

The number of GPS on Bench Mark (BM) stations highlighted as complete on the National Geodetic Survey (NGS) […]

Read More

This article is tagged with David B. Zilkoski, GEOID18, GPS on Bench Mark stations, NAPGD2022, National Geodetic Survey, NGS, OPUS, OPUS Shared and posted in Opinions, Survey

Image: National Geodetic Survey

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

August 1, 2018

My last two columns (NGS 2018 GPS on BMs program in support of NAPGD2022 — Part 6 and […]

Read More

This article is tagged with David B. Zilkoski, GEOID12B, GEOID18, GPS on BMs program, NAPGD2022, National Geodetic Survey, NAVD 88, NGS 2018, OPUS and posted in Opinions, Survey

Click to enlarge. (Image: NGS)

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

June 6, 2018

My last column described the National Geodetic Survey’s (NGS) GPS on Bench Marks (BM) 2018 interactive web map, […]

Read More

This article is tagged with David B. Zilkoski, GPS on Bench Marks Program, National Geodetic Survey, NGS, OPUS and posted in Opinions, Survey

Source: NGS

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

April 4, 2018

The NGS is offering a great opportunity to provide data that will help to improve the hybrid geoid model in your region.

Read More

This article is tagged with David B. Zilkoski, NAPGD2022, National Geodetic Survey and posted in Opinions, Survey

Image: NOAA's National Geodetic Survey

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

February 7, 2018

My last column highlighted two components of the North American-Pacific Vertical Datum of 2022 (NAPGD2022) — the geoid undulation […]

Read More

This article is tagged with David B. Zilkoski, GPS on Bench Marks Program, GPS on BMs program, NAPGD2022, National Geodetic Survey, NGS and posted in Opinions, Survey

Source: Zilkowski

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

December 6, 2017

My last column focused on the National Geodetic Survey’s (NGS) current plans for estimating North American-Pacific Geopotential Datum […]

Read More

This article is tagged with David B. Zilkoski, Geopotential Coordinates, NAPGD2022, National Geodetic Survey, NGS, North American-Pacific Geopotential Datum of 2022 and posted in Opinions, Survey

Source: Zilkoski

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

August 2, 2017

My last column highlighted some of the feedback provided by guest presenters at the NGS’ 2017 Geospatial Summit […]

Read More

This article is tagged with David B. Zilkoski, geoid, GIA, Glacial Isostatic Adjustment, GRAV-D project, NAPGD2022, National Geodetic Survey, NGS, North American-Pacific Geopotential Datum of 2022 and posted in Opinions, Survey

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

On April 24-25, 2017, the National Geodetic Survey (NGS) hosted the 2017 Geospatial Summit in Silver Spring, Maryland, […]

Read More

This article is tagged with David B. Zilkoski, NAD 83, National Geodetic Survey, NAVD 88, NGS, North American Datum of 1983, North American Vertical Datum of 1988, North American-Pacific Geopotential Datum of 2022 and posted in Opinions, Survey