EPSG
Australian Surveying and Land Information Group Internet WWW page. http://www.auslig.gov.au/geodesy/datums/gda.htm#specs
2021-01-18
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Geocentric Datum of Australia 1994", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy, topographic mapping.", "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": 6283 } }