EPSG:9620

Data source: EPSG

Information source: Norwegian Mapping Authority note of 13-Feb-1991 "Om Transformasjon mellom Geodetiske Datum i Norge".

Revision date: 2017-06-13

Remarks: Although in principle this method is not reversible, in practice reversibility is better than 10 cm. For the applications for which it was designed it may be considered reversible.