100800401.gsb
When included in concatenation from and to projected CRSs, gives same results as ED50 / UTM zone 31N to ETRS89 / UTM zone 31N (1) - see CRS code 5166.
Geodesy Unit, Cartographic Institute of Catalonia (ICC); http://www.icc.cat
2020-03-14
Geodesy.
See CRS code 4230 for recommended coordinate axis representation for the human interface.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg