FieldToCAD blog
Technical guides for surveyors and CAD technicians on coordinate transformation, file formats, and datum modernization.
SPCS2022 and NATRF2022 status: what surveyors should know in 2026
NGS preliminary SPCS2022 and NATRF2022 definitions are available but not yet officially adopted. Here is how to use them responsibly.
Ground-to-grid combined scale factor explained (with geoid separation)
How grid scale factor, elevation factor, and geoid separation combine into the localization scale your CAD grid needs.
JobXML Reductions vs FieldBook: why your parser matters
Trimble JobXML has two coordinate sources. Parsing the wrong one double-applies corrections and silently shifts your CAD export.