EPSG:4299

TM65

Transform Get position on a map

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

Selected transformation

Method: Position Vector transformation (geog2D domain)

Remarks: Parameter values from TM75 to ETRS89 (2) (code 1953). Assumes each pair of (i) TM65 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: TM65

Datum: TM65

Ellipsoid: Airy Modified 1849

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: 2006-01-16

Scope: Basis for topographic mapping in Republic of Ireland between 1965 and 1975; for scientific purposes only in Northern Ireland.

Remarks: Replaced by 1975 Mapping Adjustment alias TM75 (CRS code 4300). Not to be confused with the Geodetic Datum of 1965 (datum code 6300) which is used by TM75.

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

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

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SimpleMap

Center coordinates
-7.95 53.41

WGS84 bounds:
-10.56 51.39
-5.34 55.43

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

GEOGCS["TM65",
    DATUM["TM65",
        SPHEROID["Airy Modified 1849",6377340.189,299.3249646],
        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","4299"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["TM65",
    DATUM["TM65",
        ELLIPSOID["Airy Modified 1849",6377340.189,299.3249646,
            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["Basis for topographic mapping in Republic of Ireland between 1965 and 1975; for scientific purposes only in Northern Ireland."],
        AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],
        BBOX[51.39,-10.56,55.43,-5.34]],
    ID["EPSG",4299]]

Definition: ESRI Well Known Text

GEOGCS["GCS_TM65",
    DATUM["D_TM65",
        SPHEROID["Airy_Modified",6377340.189,299.3249646]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6377340.189 +rf=299.3249646 +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:4299","+proj=longlat +a=6377340.189 +rf=299.3249646 +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/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "TM65",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "TM65",
        "ellipsoid": {
            "name": "Airy Modified 1849",
            "semi_major_axis": 6377340.189,
            "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": "Basis for topographic mapping in Republic of Ireland between 1965 and 1975; for scientific purposes only in Northern Ireland.",
    "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": 4299
    }
}

Definition: GeoServer

4299=GEOGCS["TM65",DATUM["TM65",SPHEROID["Airy Modified 1849",6377340.189,299.3249646],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","4299"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6377340.189"
	"rf=299.3249646"
	"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 +a=6377340.189 +rf=299.3249646 +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6377340.189 +rf=299.3249646 +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 ( 4299, 'EPSG', 4299, '+proj=longlat +a=6377340.189 +rf=299.3249646 +towgs84=482.5,-130.6,564.6,-1.042,-0.214,-0.631,8.15 +no_defs +type=crs', 'GEOGCS["TM65",DATUM["TM65",SPHEROID["Airy Modified 1849",6377340.189,299.3249646],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","4299"]]');