Photo: National Geodetic Survey

A look at NGS’ experimental and hybrid geoid models

December 5, 2018

On Aug. 10, the National Geodetic Survey (NGS) released its latest experimental geoid model, xGeoid18. In early 2019, […]

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This article is tagged with David B. Zilkoski, experimental geoid models, GEOID18, hybrid geoid model, NAPGD2022, National Geodetic Survey, NGS, xGeoid18 and posted in Opinions, Survey