Reversible polynomial (4th-order)
Latitude differences from ED50 to ED87 in decimal degrees given by coefficients A0 through A14 where m=(latitude - 55) degrees and n=longitude in decimal degrees. Longitude differences given through coefficients B0 through B14.
Norwegian Mapping Authority publication 1990:1
2002-06-22
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