Data source: EPSG
Information source: IOGP
Revision date: 2026-02-13
Scope: Spatial referencing.
Remarks: Has been realized through ETRF89, ETRF90, ETRF91, ETRF92, ETRF93, ETRF94, ETRF96, ETRF97, ETRF2000, ETRF2005, ETRF2014 and ETRF2020. This ensemble covers any or all of these pan-European realizations and all national densifications without distinction.
Definition: OGC Well Known Text 2 (2019)
ENSEMBLE["European Terrestrial Reference System 1989 ensemble", MEMBER["European Terrestrial Reference Frame 1989", ID["EPSG",1178]], MEMBER["European Terrestrial Reference Frame 1990", ID["EPSG",1179]], MEMBER["European Terrestrial Reference Frame 1991", ID["EPSG",1180]], MEMBER["European Terrestrial Reference Frame 1992", ID["EPSG",1181]], MEMBER["European Terrestrial Reference Frame 1993", ID["EPSG",1182]], MEMBER["European Terrestrial Reference Frame 1994", ID["EPSG",1183]], MEMBER["European Terrestrial Reference Frame 1996", ID["EPSG",1184]], MEMBER["European Terrestrial Reference Frame 1997", ID["EPSG",1185]], MEMBER["European Terrestrial Reference Frame 2000", ID["EPSG",1186]], MEMBER["European Terrestrial Reference Frame 2005", ID["EPSG",1204]], MEMBER["European Terrestrial Reference Frame 2014", ID["EPSG",1206]], MEMBER["European Terrestrial Reference Frame 2020", ID["EPSG",1382]], MEMBER["ETRS89-DNK", ID["EPSG",1412]], MEMBER["Estonia 1997", ID["EPSG",6180]], MEMBER["Albanian Geodetic Reference Frame 2010", ID["EPSG",1429]], MEMBER["ETRS89-ALB [CORS]", ID["EPSG",1430]], MEMBER["ETRS89-AUT [2002]", ID["EPSG",1431]], MEMBER["Belgian Reference Frame 2002", ID["EPSG",1432]], MEMBER["Belgian Reference Frame 2011", ID["EPSG",1447]], MEMBER["BH_ETRS89", ID["EPSG",1358]], MEMBER["Bulgaria Geodetic System 2005", ID["EPSG",1167]], MEMBER["Croatian Terrestrial Reference System 1996", ID["EPSG",6761]], MEMBER["AGRS2010 (ETRF2000)", ID["EPSG",1427]], MEMBER["CROPOS", ID["EPSG",1445]], MEMBER["ETRF2000 Poland", ID["EPSG",1305]], MEMBER["ETRS89/DREF91 Realization 2016", ID["EPSG",1353]], MEMBER["ETRS89/DREF91 Realization 2025", ID["EPSG",1446]], MEMBER["ETRS89-CZE [2007]", ID["EPSG",1433]], MEMBER["ETRS89-ESP [REGENTE]", ID["EPSG",1441]], MEMBER["ETRS89-ESP [ERGNSS]", ID["EPSG",1442]], MEMBER["ETRS89-FRO [2008]", ID["EPSG",1436]], MEMBER["ETRS89-GRC [HTRS07]", ID["EPSG",1437]], MEMBER["ETRS89-HUN [ETRF2000]", ID["EPSG",1444]], MEMBER["ETRS89-IRE [ETRF2000]", ID["EPSG",6173]], MEMBER["ETRS89-MKD [EUREF-MAK2010]", ID["EPSG",1438]], MEMBER["ETRS89-NOR [EUREF89]", ID["EPSG",1407]], MEMBER["ETRS89-PRT [1995]", ID["EPSG",1439]], MEMBER["ETRS89-ROU [ETRF2000]", ID["EPSG",1440]], MEMBER["ETRS89-SVK [SKTRF09]", ID["EPSG",1434]], MEMBER["ETRS89-SVK [SKTRF2022]", ID["EPSG",1435]], MEMBER["EUREF-FIN", ID["EPSG",1391]], MEMBER["Istituto Geografico Militaire 1995", ID["EPSG",6670]], MEMBER["Kosovo Reference System 2001", ID["EPSG",1251]], MEMBER["Latvian geodetic coordinate system 1992", ID["EPSG",6661]], MEMBER["Latvian coordinate system 2020", ID["EPSG",1356]], MEMBER["Lithuania 1994 (ETRS89)", ID["EPSG",6126]], MEMBER["MOLDREF99", ID["EPSG",1032]], MEMBER["OSNet v2009", ID["EPSG",1425]], MEMBER["Reseau Geodesique Francais 1993 v1", ID["EPSG",6171]], MEMBER["Reseau Geodesique Francais 1993 v2", ID["EPSG",1312]], MEMBER["Reseau Geodesique Francais 1993 v2b", ID["EPSG",1313]], MEMBER["Rete Dinamica Nazionale 2008", ID["EPSG",1132]], MEMBER["Serbian Reference Network 1998", ID["EPSG",1034]], MEMBER["Serbian Spatial Reference System 2000", ID["EPSG",1214]], MEMBER["Slovenia Geodetic Datum 1996", ID["EPSG",6765]], MEMBER["SWEREF 99", ID["EPSG",6619]], MEMBER["Swiss Terrestrial Reference Frame 1995", ID["EPSG",1449]], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1], ID["EPSG",7019]], ENSEMBLEACCURACY[0.1], ID["EPSG",6258]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "DatumEnsemble", "name": "European Terrestrial Reference System 1989 ensemble", "members": [ { "name": "European Terrestrial Reference Frame 1989", "id": { "authority": "EPSG", "code": 1178 } }, { "name": "European Terrestrial Reference Frame 1990", "id": { "authority": "EPSG", "code": 1179 } }, { "name": "European Terrestrial Reference Frame 1991", "id": { "authority": "EPSG", "code": 1180 } }, { "name": "European Terrestrial Reference Frame 1992", "id": { "authority": "EPSG", "code": 1181 } }, { "name": "European Terrestrial Reference Frame 1993", "id": { "authority": "EPSG", "code": 1182 } }, { "name": "European Terrestrial Reference Frame 1994", "id": { "authority": "EPSG", "code": 1183 } }, { "name": "European Terrestrial Reference Frame 1996", "id": { "authority": "EPSG", "code": 1184 } }, { "name": "European Terrestrial Reference Frame 1997", "id": { "authority": "EPSG", "code": 1185 } }, { "name": "European Terrestrial Reference Frame 2000", "id": { "authority": "EPSG", "code": 1186 } }, { "name": "European Terrestrial Reference Frame 2005", "id": { "authority": "EPSG", "code": 1204 } }, { "name": "European Terrestrial Reference Frame 2014", "id": { "authority": "EPSG", "code": 1206 } }, { "name": "European Terrestrial Reference Frame 2020", "id": { "authority": "EPSG", "code": 1382 } }, { "name": "ETRS89-DNK", "id": { "authority": "EPSG", "code": 1412 } }, { "name": "Estonia 1997", "id": { "authority": "EPSG", "code": 6180 } }, { "name": "Albanian Geodetic Reference Frame 2010", "id": { "authority": "EPSG", "code": 1429 } }, { "name": "ETRS89-ALB [CORS]", "id": { "authority": "EPSG", "code": 1430 } }, { "name": "ETRS89-AUT [2002]", "id": { "authority": "EPSG", "code": 1431 } }, { "name": "Belgian Reference Frame 2002", "id": { "authority": "EPSG", "code": 1432 } }, { "name": "Belgian Reference Frame 2011", "id": { "authority": "EPSG", "code": 1447 } }, { "name": "BH_ETRS89", "id": { "authority": "EPSG", "code": 1358 } }, { "name": "Bulgaria Geodetic System 2005", "id": { "authority": "EPSG", "code": 1167 } }, { "name": "Croatian Terrestrial Reference System 1996", "id": { "authority": "EPSG", "code": 6761 } }, { "name": "AGRS2010 (ETRF2000)", "id": { "authority": "EPSG", "code": 1427 } }, { "name": "CROPOS", "id": { "authority": "EPSG", "code": 1445 } }, { "name": "ETRF2000 Poland", "id": { "authority": "EPSG", "code": 1305 } }, { "name": "ETRS89/DREF91 Realization 2016", "id": { "authority": "EPSG", "code": 1353 } }, { "name": "ETRS89/DREF91 Realization 2025", "id": { "authority": "EPSG", "code": 1446 } }, { "name": "ETRS89-CZE [2007]", "id": { "authority": "EPSG", "code": 1433 } }, { "name": "ETRS89-ESP [REGENTE]", "id": { "authority": "EPSG", "code": 1441 } }, { "name": "ETRS89-ESP [ERGNSS]", "id": { "authority": "EPSG", "code": 1442 } }, { "name": "ETRS89-FRO [2008]", "id": { "authority": "EPSG", "code": 1436 } }, { "name": "ETRS89-GRC [HTRS07]", "id": { "authority": "EPSG", "code": 1437 } }, { "name": "ETRS89-HUN [ETRF2000]", "id": { "authority": "EPSG", "code": 1444 } }, { "name": "ETRS89-IRE [ETRF2000]", "id": { "authority": "EPSG", "code": 6173 } }, { "name": "ETRS89-MKD [EUREF-MAK2010]", "id": { "authority": "EPSG", "code": 1438 } }, { "name": "ETRS89-NOR [EUREF89]", "id": { "authority": "EPSG", "code": 1407 } }, { "name": "ETRS89-PRT [1995]", "id": { "authority": "EPSG", "code": 1439 } }, { "name": "ETRS89-ROU [ETRF2000]", "id": { "authority": "EPSG", "code": 1440 } }, { "name": "ETRS89-SVK [SKTRF09]", "id": { "authority": "EPSG", "code": 1434 } }, { "name": "ETRS89-SVK [SKTRF2022]", "id": { "authority": "EPSG", "code": 1435 } }, { "name": "EUREF-FIN", "id": { "authority": "EPSG", "code": 1391 } }, { "name": "Istituto Geografico Militaire 1995", "id": { "authority": "EPSG", "code": 6670 } }, { "name": "Kosovo Reference System 2001", "id": { "authority": "EPSG", "code": 1251 } }, { "name": "Latvian geodetic coordinate system 1992", "id": { "authority": "EPSG", "code": 6661 } }, { "name": "Latvian coordinate system 2020", "id": { "authority": "EPSG", "code": 1356 } }, { "name": "Lithuania 1994 (ETRS89)", "id": { "authority": "EPSG", "code": 6126 } }, { "name": "MOLDREF99", "id": { "authority": "EPSG", "code": 1032 } }, { "name": "OSNet v2009", "id": { "authority": "EPSG", "code": 1425 } }, { "name": "Reseau Geodesique Francais 1993 v1", "id": { "authority": "EPSG", "code": 6171 } }, { "name": "Reseau Geodesique Francais 1993 v2", "id": { "authority": "EPSG", "code": 1312 } }, { "name": "Reseau Geodesique Francais 1993 v2b", "id": { "authority": "EPSG", "code": 1313 } }, { "name": "Rete Dinamica Nazionale 2008", "id": { "authority": "EPSG", "code": 1132 } }, { "name": "Serbian Reference Network 1998", "id": { "authority": "EPSG", "code": 1034 } }, { "name": "Serbian Spatial Reference System 2000", "id": { "authority": "EPSG", "code": 1214 } }, { "name": "Slovenia Geodetic Datum 1996", "id": { "authority": "EPSG", "code": 6765 } }, { "name": "SWEREF 99", "id": { "authority": "EPSG", "code": 6619 } }, { "name": "Swiss Terrestrial Reference Frame 1995", "id": { "authority": "EPSG", "code": 1449 } } ], "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "accuracy": "0.1", "id": { "authority": "EPSG", "code": 6258 } }