EPSG:4230

ED50

Available transformations
to EPSG:4326

Selected transformation

Method: Norway Offshore Interpolation

Remarks: Included in Statens Kartverk programme wsktrans between 1997 (v3.1) and 2001 (v4.0). Replaced ED50 to WGS 84 (20) (code 1450) in 1997. Replaced by ED50 to WGS 84 (23) (code 1612) in April 2001.

Information source: Statens Kartverk.

Revision date: 2020-03-14

Center coordinates
2.26 63.5

WGS84 bounds:
-0.49 62.0
5.0 65.0

Norway - offshore between 62°N and 65°N and west of 5°E.
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Definition: OGC Well Known Text

GEOGCS["ED50",
    DATUM["European_Datum_1950",
        SPHEROID["International 1924",6378388,297,
            AUTHORITY["EPSG","7022"]],
        AUTHORITY["EPSG","6230"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4230"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["ED50",
    DATUM["European Datum 1950",
        ELLIPSOID["International 1924",6378388,297,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Europe - west: Andorra; Cyprus; Denmark - onshore and offshore; Faroe Islands - onshore; France - offshore; Germany - offshore North Sea; Gibraltar; Greece - offshore; Israel - offshore; Italy including San Marino and Vatican City State; Ireland offshore; Malta; Netherlands - offshore; North Sea; Norway including Svalbard - onshore and offshore; Portugal - mainland - offshore; Spain - onshore; Turkey - onshore and offshore; United Kingdom UKCS offshore east of 6°W including Channel Islands (Guernsey and Jersey). Egypt - Western Desert; Iraq - onshore; Jordan."],
        BBOX[25.71,-16.1,84.73,48.61]],
    ID["EPSG",4230]]

Definition: ESRI Well Known Text

GEOGCS["GCS_European_1950",
    DATUM["D_European_1950",
        SPHEROID["International_1924",6378388.0,297.0]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=intl +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4230","+proj=longlat +ellps=intl +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "ED50",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "European Datum 1950",
        "ellipsoid": {
            "name": "International 1924",
            "semi_major_axis": 6378388,
            "inverse_flattening": 297
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Europe - west: Andorra; Cyprus; Denmark - onshore and offshore; Faroe Islands - onshore; France - offshore; Germany - offshore North Sea; Gibraltar; Greece - offshore; Israel - offshore; Italy including San Marino and Vatican City State; Ireland offshore; Malta; Netherlands - offshore; North Sea; Norway including Svalbard - onshore and offshore; Portugal - mainland - offshore; Spain - onshore; Turkey - onshore and offshore; United Kingdom UKCS offshore east of 6°W including Channel Islands (Guernsey and Jersey). Egypt - Western Desert; Iraq - onshore; Jordan.",
    "bbox": {
        "south_latitude": 25.71,
        "west_longitude": -16.1,
        "north_latitude": 84.73,
        "east_longitude": 48.61
    },
    "id": {
        "authority": "EPSG",
        "code": 4230
    }
}

Definition: GeoServer

4230=GEOGCS["ED50",DATUM["European_Datum_1950",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6230"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4230"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=intl"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=intl +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=intl +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4230, 'EPSG', 4230, '+proj=longlat +ellps=intl +no_defs +type=crs', 'GEOGCS["ED50",DATUM["European_Datum_1950",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6230"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4230"]]');