EPSG:4237

HD72

Available transformations
to EPSG:11163
EPSG:11163 - ETRS89-HUN [ETRF2000]

Selected transformation

Name: HD72 to ETRS89-HUN [ETRF2000] (1)

Method: NTv2

Grid Files: hu_sgo_hd72corr.gsb

Remarks: Used in the official SGO EHT coordinate transformation tool. For access to the grid file see https://www.gnssnet.hu/.

Information source: Lechner Knowledge Center, Satellite Geodesy Observatory (SGO), https://eht2.gnssnet.hu

Revision date: 2025-10-31

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: HD72

Datum: Hungarian Datum 1972

Ellipsoid: GRS 1967

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2008-08-02

Scope: Geodesy.

Remarks: Replaced HD1909 (EPSG CRS code 3819).

Area of use: Hungary.

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

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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        GEOGCRS["HD72",
            DATUM["Hungarian Datum 1972",
                ELLIPSOID["GRS 1967",6378160,298.247167427,
                    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["Hungary."],
                BBOX[45.74,16.11,48.58,22.9]],
            ID["EPSG",4237],
            REMARK["Replaced HD1909 (EPSG CRS code 3819)."]]],
    TARGETCRS[
        GEOGCRS["ETRS89-HUN [ETRF2000]",
            DATUM["ETRS89-HUN [ETRF2000]",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]],
                ANCHOREPOCH[2024]],
            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["Horizontal component of 3D system."],
                AREA["Hungary."],
                BBOX[45.74,16.11,48.58,22.9]],
            ID["EPSG",11163],
            REMARK["Horizontal component of national realization of ETRS89 in Hungary."]]],
    ABRIDGEDTRANSFORMATION["HD72 to ETRS89-HUN [ETRF2000] (1)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","hu_sgo_hd72corr.gsb"],
        USAGE[
            SCOPE["Geodesy, cadastre, engineering survey, topographic mapping."],
            AREA["Hungary."],
            BBOX[45.74,16.11,48.58,22.9]],
        ID["EPSG",10663],
        REMARK["Used in the official SGO EHT coordinate transformation tool. For access to the grid file see https://www.gnssnet.hu/."]]]

Definition: PROJ.4

+proj=longlat +ellps=GRS67 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4237","+proj=longlat +ellps=GRS67 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "HD72",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Hungarian Datum 1972",
            "ellipsoid": {
                "name": "GRS 1967",
                "semi_major_axis": 6378160,
                "inverse_flattening": 298.247167427
            }
        },
        "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": 4237
        },
        "remarks": "Replaced HD1909 (EPSG CRS code 3819)."
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "ETRS89-HUN [ETRF2000]",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "ETRS89-HUN [ETRF2000]",
            "anchor_epoch": 2024,
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "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": 11163
        },
        "remarks": "Horizontal component of national realization of ETRS89 in Hungary."
    },
    "transformation": {
        "name": "HD72 to ETRS89-HUN [ETRF2000] (1)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "hu_sgo_hd72corr.gsb",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 10663
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS67"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS67 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS67 +no_defs +type=crs">
	</Layer>
</Map>