EPSG:4939 - GDA94

Attributes

Unit

degree

Scope

Geodesy.

Remarks

None

Area of use

Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore.

Data Source: EPSG v11.016 2024-08-31

Datum: Geocentric Datum of Australia 1994

Coordinate System: ellipsoidal

Projection: Undefined

Geodetic CRS: Undefined

Export

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,3],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["ellipsoidal height (h)",up,
            ORDER[3],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy."],
        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",4939]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "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"
      },
      {
        "name": "Ellipsoidal height",
        "abbreviation": "h",
        "direction": "up",
        "unit": "metre"
      }
    ]
  },
  "scope": "Geodesy.",
  "area": "Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore.",
  "bbox": {
    "south_latitude": -60.55,
    "west_longitude": 93.41,
    "north_latitude": -8.47,
    "east_longitude": 173.34
  },
  "id": {
    "authority": "EPSG",
    "code": 4939
  }
}
{'crs_wkt': '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,3],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],AXIS["ellipsoidal '
            'height '
            '(h)",up,ORDER[3],LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy."],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",4939]]',
 'geographic_crs_name': 'GDA94',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Geocentric Datum of Australia 1994',
 'inverse_flattening': 298.257222101,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'GRS 1980',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314140356}