Ordnance Survey National Transformation
Replaces ETRS89 to OSGB36 / British National Grid (2) (code 7952). May be approximated to better than 0.03m using NTv2 method - see tfm code 7709.
Ordnance Survey of Great Britain.
2021-03-18
Geodesy.
See CRS code 4258 for recommended coordinate axis representation for the human interface.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg