EPSG:4817

NGO 1948 (Oslo)

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

  • Norway - onshore. , accuracy 3.0 m, code 8639 (default)

Selected transformation

Remarks:

Information source:

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: NGO 1948 (Oslo)

Datum: NGO 1948 (Oslo)

Ellipsoid: Bessel Modified

Prime meridian: Oslo

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
7.14 64.57

WGS84 bounds:
4.39 57.9
31.32 71.24

Norway - onshore.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        GEOGCRS["NGO 1948 (Oslo)",
            DATUM["NGO 1948 (Oslo)",
                ELLIPSOID["Bessel Modified",6377492.018,299.1528128,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Oslo",10.7229166666667,
                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]],
            ID["EPSG",4817]]],
    TARGETCRS[
        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]],
            ID["EPSG",4273]]],
    ABRIDGEDTRANSFORMATION["NGO 1948 (Oslo) to NGO1948 (1)",
        METHOD["Longitude rotation",
            ID["EPSG",9601]],
        PARAMETER["Longitude offset",38602.5000000001,
            ID["EPSG",8602]],
        ID["EPSG",1762]]]

Definition: PROJ.4

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

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4817","+proj=longlat +a=6377492.018 +rf=299.1528128 +pm=oslo +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": "BoundCRS",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "NGO 1948 (Oslo)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "NGO 1948 (Oslo)",
            "ellipsoid": {
                "name": "Bessel Modified",
                "semi_major_axis": 6377492.018,
                "inverse_flattening": 299.1528128
            },
            "prime_meridian": {
                "name": "Oslo",
                "longitude": 10.7229166666667
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4817
        }
    },
    "target_crs": {
        "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"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4273
        }
    },
    "transformation": {
        "name": "NGO 1948 (Oslo) to NGO1948 (1)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "NGO 1948 (Oslo) (with Greenwich prime meridian)",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NGO 1948 (Oslo) (with Greenwich prime meridian)",
                "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"
                    }
                ]
            }
        },
        "method": {
            "name": "Longitude rotation",
            "id": {
                "authority": "EPSG",
                "code": 9601
            }
        },
        "parameters": [
            {
                "name": "Longitude offset",
                "value": 38602.5000000001,
                "unit": {
                    "type": "Unit",
                    "name": "",
                    "conversion_factor": 1
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8602
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1762
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6377492.018"
	"rf=299.1528128"
	"pm=oslo"
	"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 +pm=oslo +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 +pm=oslo +towgs84=278.3,93,474.5,7.889,0.05,-6.61,6.21 +no_defs +type=crs">
	</Layer>
</Map>