NGS has released Blueprint for 2022: Working in the Modernized NSRS

NGS has just released Blueprint for 2022 Part 3: Working in the Modernized NSRS (PDF, 1.2MB).  This publication addresses how geospatial professionals can expect to work within the newly-modernized NSRS when NAD 83 and NAVD 88 are replaced. While there will be presentations on Blueprint for 2022, Part 3 during this year’s Geospatial Summit, we recommend you try to review the document […]

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Beta GEOID18 Model Released for Public Comment

Map of Beta GEOID18 Released

NGS will replace GEOID12B with GEOID18 in mid-2019. GEOID18 will be the last hybrid geoid model that NGS will create before NAVD 88 is replaced by the North American-Pacific Geopotential Datum of 2022 (NAPGD2022). Beta GEOID18 is now available for review. Hybrid geoid models convert NAD 83 ellipsoid heights to NAVD 88 orthometric heights by constraining a gravimetric geoid model […]

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