Coordinate Frame rotation (geog2D domain)
Scale difference is given by information source as 0.999999. Given in this record in ppm to assist application usage. Very similar parameter values (to slightly less precision) used for BD72 to ETRS89: see code 1652.
IGN Brussels www.ngi.be
2021-09-23
Geodesy.
See CRS code 4313 for recommended coordinate axis representation for the human interface.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg