Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: IAG Sub-Commission for the European Reference Frame (EUREF, http://etrs89.ensg.ign.fr/) and Boucher and Altamimi "Memo : Specifications for reference frame fixing in the analysis of a EUREF GPS campaign" (http://etrs89.ensg.ign.fr/memo-V8.pdf)
Revision date: 2022-03-02
Scope: Geodesy.
Remarks: Defined by transformation from ITRF93 (CT code 7936). Replaces ETRF92 (datum code 1181). Replaced by ETRF94 (datum code 1183).
Definition: OGC Well Known Text
DATUM["European_Terrestrial_Reference_Frame_1993", SPHEROID["GRS 1980",6378137,298.257222101, AUTHORITY["EPSG","7019"]], AUTHORITY["EPSG","1182"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["European Terrestrial Reference Frame 1993", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ID["EPSG",1182]]
Definition: ESRI Well Known Text
DATUM["European_Terrestrial_Reference_Frame_1993", SPHEROID["GRS_1980",6378137.0,298.257222101]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "European Terrestrial Reference Frame 1993", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy.", "area": "Europe - onshore and offshore: Albania; Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain; Sweden; Switzerland; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State.", "bbox": { "south_latitude": 32.88, "west_longitude": -16.1, "north_latitude": 84.73, "east_longitude": 40.18 }, "id": { "authority": "EPSG", "code": 1182 } }