Mexico has used two vertical datums—the U.S. National Geodetic Vertical Datum of 1929 (NGVD29) and the North American Vertical Datum of 1988 (NAVD88). Because Mexico started using the NAVD88 as its ...
No audio available for this content. My last column highlighted some of the feedback provided by guest presenters at the NGS’ 2017 Geospatial Summit held on April 24-25 in Silver Spring, Maryland.
No audio available for this content. Understanding the differences between the North American Vertical Datum of 1988 and the new 2022 Vertical Reference Datum My Survey Scene columns have focused on ...
Datums are baseline standards against which we measure geographic location and elevations. They are frequently referenced in state and local codes to ensure a precise, shared understanding of ...
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