EPSG:4273

NGO 1948

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

  • Norway - onshore. , accuracy 3.0 m, code 1654 (default) [7]

Selected transformation

Method: Position Vector transformation (geog2D domain)

Remarks: Parameter values from NGO 1948 to ETRS89 (1) (code 1653). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation.

Information source: OGP

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: NGO 1948

Datum: NGO 1948

Ellipsoid: Bessel Modified

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2004-01-06

Scope: Geodesy.

Area of use: Norway - onshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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Center coordinates
17.86 64.57

WGS84 bounds:
4.39 57.9
31.32 71.24

Norway - onshore.
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Definition: OGC Well Known Text

GEOGCS["NGO 1948",
    DATUM["NGO_1948",
        SPHEROID["Bessel Modified",6377492.018,299.1528128],
        TOWGS84[278.3,93,474.5,7.889,0.05,-6.61,6.21]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4273"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["NGO 1948",
    DATUM["NGO 1948",
        ELLIPSOID["Bessel Modified",6377492.018,299.1528128,
            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["Norway - onshore."],
        BBOX[57.9,4.39,71.24,31.32]],
    ID["EPSG",4273]]

Definition: ESRI Well Known Text

GEOGCS["GCS_NGO_1948",
    DATUM["D_NGO_1948",
        SPHEROID["Bessel_Modified",6377492.018,299.1528128]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6377492.018 +rf=299.1528128 +towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4273","+proj=longlat +a=6377492.018 +rf=299.1528128 +towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "NGO 1948",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "NGO 1948",
        "ellipsoid": {
            "name": "Bessel Modified",
            "semi_major_axis": 6377492.018,
            "inverse_flattening": 299.1528128
        }
    },
    "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": "Norway - onshore.",
    "bbox": {
        "south_latitude": 57.9,
        "west_longitude": 4.39,
        "north_latitude": 71.24,
        "east_longitude": 31.32
    },
    "id": {
        "authority": "EPSG",
        "code": 4273
    }
}

Definition: GeoServer

4273=GEOGCS["NGO 1948",DATUM["NGO_1948",SPHEROID["Bessel Modified",6377492.018,299.1528128],TOWGS84[278.3,93,474.5,7.889,0.05,-6.61,6.21]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4273"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6377492.018"
	"rf=299.1528128"
	"towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +a=6377492.018 +rf=299.1528128 +towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6377492.018 +rf=299.1528128 +towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4273, 'EPSG', 4273, '+proj=longlat +a=6377492.018 +rf=299.1528128 +towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21 +no_defs +type=crs', 'GEOGCS["NGO 1948",DATUM["NGO_1948",SPHEROID["Bessel Modified",6377492.018,299.1528128],TOWGS84[278.3,93,474.5,7.889,0.05,-6.61,6.21]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4273"]]');