Tag Archive

vertical datum

1 article on vertical datum. Field-tested methodology from a GIS scientist with M.S. GIS, FAA Part 107, and 10+ years of geospatial work.

Survey Accuracy & GCPs

Coordinate Systems for Drone Operators: The CRS Mistakes Destroying Your Deliverables

WGS84 vs NAD83, state plane, vertical datums — the CRS settings drone operators get wrong, and how to fix them in Metashape, Pix4D, and ODM.

April 27, 2026 Read more →