EPSG
Instituto Geografico e Cadastral Lisbon via EuroGeographics; http://crs.bkg.bund.de/crs-eu/
2003-08-14
Topographic mapping.
Replaced by 1995 adjustment (datum code 6664).
Portugal - eastern Azores onshore - Sao Miguel, Santa Maria, Formigas.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Azores Oriental Islands 1940", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Topographic mapping.", "area": "Portugal - eastern Azores onshore - Sao Miguel, Santa Maria, Formigas.", "bbox": { "south_latitude": 36.87, "west_longitude": -25.92, "north_latitude": 37.96, "east_longitude": -24.72 }, "id": { "authority": "EPSG", "code": 6184 } }