Tag Archive

NAVD88

2 articles on NAVD88. Field-tested methodology from a GIS scientist with M.S. GIS, FAA Part 107, and 10+ years of geospatial work.

Photogrammetry

Drone Mapping Deliverables: Formats, Exports, Client Needs

Orthomosaic export settings, point cloud formats, DEMs, coordinate systems — and how to package drone deliverables so clients can actually use them.

June 17, 2026 Read more →

Survey Accuracy & GCPs

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 →