Name: ETRS89 to Ostenfeld-IRF (1)
Method: NTv2
Grid Files: os_2022.gsb
Remarks: In conjunction with the Ostenfeld-reconstruction map projection (code 10269) applied to OS-IRF (code 10268), enables transformation of coordinates between the historic Ostenfeld CRS and ETRS89. File is also available in GeoTIFF format (os_2022.tif).
Information source: The Danish Agency for Data Supply and Infrastructure, https://sdfi.dk
Revision date: 2023-05-10
Unit: degree
Geodetic CRS: ETRS89
Datum: European Terrestrial Reference System 1989 ensemble
Data source: EPSG
Information source: OGP
Revision date: 2002-11-22
Scope: Geodesy.
Remarks: See CRS code 4258 for recommended coordinate axis representation for the human interface.
Area of use: Europe - onshore and offshore - ETRF extent - approximately 16°W to 33°E and 33°N to 84°N.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: dec deg