EPSG:4203

AGD84

Selected transformation

Grid Files: wa_0700.gsb

Remarks: Approximation at the +/- 1m level assuming that GDA94 is equivalent to WGS 84. Supersedes AGD84 to WGS 84 (5) (code 8560).

Information source: OGP

Revision date: 2000-10-19

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: AGD84

Datum: Australian Geodetic Datum 1984

Ellipsoid: Australian National Spheroid

Prime meridian: Greenwich

Data source: EPSG

Information source: "GDA technical manual v2_2", Intergovernmental Committee on Surveying and Mapping. www.anzlic.org.au/icsm/gdtm/

Revision date: 2021-03-18

Scope: Geodesy.

Remarks: National system replacing AGD66 but officially adopted only in Queensland, South Australia and Western Australia. Replaced by GDA94.

Area of use: Australia - Queensland, South Australia, Western Australia, federal areas offshore west of 129°E.

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

Center coordinates
120.93 -24.43

WGS84 bounds:
112.85 -35.19
129.01 -13.67

Australia - Western Australia.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                GEOGCRS["AGD84",
                    DATUM["Australian Geodetic Datum 1984",
                        ELLIPSOID["Australian National Spheroid",6378160,298.25,
                            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",4203]]],
            TARGETCRS[
                GEOGCRS["GDA94",
                    DATUM["Geocentric Datum of Australia 1994",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            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",4283]]],
            ABRIDGEDTRANSFORMATION["AGD84 to GDA94 (4)",
                METHOD["NTv2",
                    ID["EPSG",9615]],
                PARAMETERFILE["Latitude and longitude difference file","wa_0700.gsb"],
                ID["EPSG",1593]]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            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["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["GDA94 to WGS 84 (1)",
        METHOD["Geocentric translations (geog2D domain)",
            ID["EPSG",9603]],
        PARAMETER["X-axis translation",0,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",0,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",0,
            ID["EPSG",8607]],
        USAGE[
            SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."],
            AREA["Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore."],
            BBOX[-60.55,93.41,-8.47,173.34]],
        ID["EPSG",1150],
        REMARK["Approximation at the 3m level assuming WGS 84 is equivalent to GDA94. Ignores the low accuracy of the WGS 84 ensemble and the inconsistent application of tectonic plate motion to WGS 84 data."]]]

Definition: PROJ.4

+proj=longlat +ellps=aust_SA +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4203","+proj=longlat +ellps=aust_SA +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "AGD84",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Australian Geodetic Datum 1984",
                "ellipsoid": {
                    "name": "Australian National Spheroid",
                    "semi_major_axis": 6378160,
                    "inverse_flattening": 298.25
                }
            },
            "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": 4203
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "GDA94",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Geocentric Datum of Australia 1994",
                "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": 4283
            }
        },
        "transformation": {
            "name": "AGD84 to GDA94 (4)",
            "method": {
                "name": "NTv2",
                "id": {
                    "authority": "EPSG",
                    "code": 9615
                }
            },
            "parameters": [
                {
                    "name": "Latitude and longitude difference file",
                    "value": "wa_0700.gsb",
                    "id": {
                        "authority": "EPSG",
                        "code": 8656
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1593
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1166
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1152
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1155
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1156
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G2139)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
                "authority": "EPSG",
                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "GDA94 to WGS 84 (1)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "GDA94",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Geocentric Datum of Australia 1994",
                "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": 4283
            }
        },
        "method": {
            "name": "Geocentric translations (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9603
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1150
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=aust_SA"
	"towgs84=0,0,0,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=aust_SA +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=aust_SA +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>