EPSG:4188

OSNI 1952

Transform Get position on a map

Available transformations
to EPSG:4326
No other targets exist for this CRS

  • United Kingdom (UK) , accuracy 1.0 m, code 1955 (default) [7]

Selected transformation

Method: Position Vector transformation (geog2D domain)

Remarks: Parameter values from TM75 to ETRS89 (2) (code 1953). Assumes each pair of (i) OSNI 1952 and TM75, and (ii) 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: OSNI 1952

Datum: OSNI 1952

Ellipsoid: Airy 1830

Prime meridian: Greenwich

Data source: EPSG

Information source: Ordnance Survey of Northern Ireland.

Revision date: 2004-01-06

Scope: Geodesy.

Remarks: Replaced by 1975 Mapping Adjustment alias TM75. See CRS code 4300.

Area of use: United Kingdom (UK) - Northern Ireland (Ulster) - onshore.

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

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Center coordinates
-6.76 54.66

WGS84 bounds:
-8.18 53.96
-5.34 55.36

United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
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Definition: OGC Well Known Text

GEOGCS["OSNI 1952",
    DATUM["OSNI_1952",
        SPHEROID["Airy 1830",6377563.396,299.3249646],
        TOWGS84[482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4188"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["OSNI 1952",
    DATUM["OSNI 1952",
        ELLIPSOID["Airy 1830",6377563.396,299.3249646,
            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["United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],
        BBOX[53.96,-8.18,55.36,-5.34]],
    ID["EPSG",4188]]

Definition: ESRI Well Known Text

GEOGCS["GCS_OSNI_1952",
    DATUM["D_OSNI_1952",
        SPHEROID["Airy_1830",6377563.396,299.3249646]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4188","+proj=longlat +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "OSNI 1952",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "OSNI 1952",
        "ellipsoid": {
            "name": "Airy 1830",
            "semi_major_axis": 6377563.396,
            "inverse_flattening": 299.3249646
        }
    },
    "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": "United Kingdom (UK) - Northern Ireland (Ulster) - onshore.",
    "bbox": {
        "south_latitude": 53.96,
        "west_longitude": -8.18,
        "north_latitude": 55.36,
        "east_longitude": -5.34
    },
    "id": {
        "authority": "EPSG",
        "code": 4188
    }
}

Definition: GeoServer

4188=GEOGCS["OSNI 1952",DATUM["OSNI_1952",SPHEROID["Airy 1830",6377563.396,299.3249646],TOWGS84[482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4188"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=airy"
	"towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4188, 'EPSG', 4188, '+proj=longlat +ellps=airy +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs', 'GEOGCS["OSNI 1952",DATUM["OSNI_1952",SPHEROID["Airy 1830",6377563.396,299.3249646],TOWGS84[482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4188"]]');