Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Häkli et al., "NKG2020 transformation: An updated transformation between dynamic and static reference frames in the Nordic and Baltic countries"; Journal of Geodetic Science 2023; 13: 20220155, https://doi.org/10.1515/jogs-2022-0155.
Revision date: 2025-08-24
Scope: Geodesy.
Remarks: Replaces NKG_ETRF00 (ETRF2000 at epoch 2000.0).
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Nordic Geodetic Commission ETRF14", "anchor_epoch": 2000, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "Denmark, Estonia, Finland, Latvia, Lithuania, and Sweden - onshore and offshore; Norway - onshore, nearshore, and offshore southeast of a line joining Haugesund and the western limit of the Norway-Denmark maritime boundary.", "bbox": { "south_latitude": 53.89, "west_longitude": 3.24, "north_latitude": 71.39, "east_longitude": 31.77 }, "id": { "authority": "EPSG", "code": 1403 } }