New posts in Datum

Why does WGS84 refer to so many different things?

Relation between Geoidal separation and antenna altitude in GGA sentence?

Meaning of "Elevation above surface of ellipsoid"?

Georeferencing old map using QGIS

How accurate is approximating the Earth as a sphere?

What datum (reference ellipsoid) does Google Earth use?

Vertical Datum Conversion Utilities

Basic proj4 conversion UTM grid -> longlat and back

What strategies, criteria, or rules to use for selecting coordinate systems?

Difference between projection and datum?