Geodetic Datum of 1965

Attributes

Prime meridian: Greenwich

Data source: EPSG

Information source: "The Irish Grid - A Description of the Co-ordinate Reference System" published by Ordnance Survey of Ireland, Dublin and Ordnance Survey of Northern Ireland, Belfast.

Revision date: 2003-06-27

Scope: Geodesy, engineering survey, topographic mapping.

Remarks: Differences from the 1965 adjustment (datum code 6299) are: average difference in Eastings 0.092m; average difference in Northings 0.108m; maximum vector difference 0.548m.

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

Covered area powered by MapTiler

WGS84 bounds:
-5.34 51.39
-10.56 55.43

Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.

Definition: OGC Well Known Text

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DATUM["Geodetic_Datum_of_1965",
    SPHEROID["Airy Modified 1849",6377340.189,299.3249646,
        AUTHORITY["EPSG","7002"]],
    AUTHORITY["EPSG","6300"]]

Definition: OGC Well Known Text 2 (2019)

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DATUM["Geodetic Datum of 1965",
    ELLIPSOID["Airy Modified 1849",6377340.189,299.3249646,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6300]]

Definition: ESRI Well Known Text

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DATUM["D_TM75",
    SPHEROID["Airy_Modified",6377340.189,299.3249646]]

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Geodetic Datum of 1965",
    "ellipsoid": {
        "name": "Airy Modified 1849",
        "semi_major_axis": 6377340.189,
        "inverse_flattening": 299.3249646
    },
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "area": "Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.",
    "bbox": {
        "south_latitude": 51.39,
        "west_longitude": -10.56,
        "north_latitude": 55.43,
        "east_longitude": -5.34
    },
    "id": {
        "authority": "EPSG",
        "code": 6300
    }
}

Definition: GeoServer

6300-datum=DATUM["Geodetic_Datum_of_1965",SPHEROID["Airy Modified 1849",6377340.189,299.3249646,AUTHORITY["EPSG","7002"]],AUTHORITY["EPSG","6300"]]

EPSG:6300