Geodesy, cadastre, engineering survey, topographic mapping.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Egypt 1907", "ellipsoid": { "name": "Helmert 1906", "semi_major_axis": 6378200, "inverse_flattening": 298.3 }, "scope": "Geodesy, cadastre, engineering survey, topographic mapping.", "area": "Egypt - onshore and offshore.", "bbox": { "south_latitude": 21.89, "west_longitude": 24.7, "north_latitude": 33.82, "east_longitude": 37.91 }, "id": { "authority": "EPSG", "code": 6229 } }