EPSG
Instituto Geografico e Cadastral Lisbon via EuroGeographics; http://crs.bkg.bund.de/crs-eu/
2001-06-05
Topographic mapping.
Portugal - Madeira, Porto Santo and Desertas islands - onshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Madeira 1936", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Topographic mapping.", "area": "Portugal - Madeira, Porto Santo and Desertas islands - onshore.", "bbox": { "south_latitude": 32.35, "west_longitude": -17.31, "north_latitude": 33.15, "east_longitude": -16.23 }, "id": { "authority": "EPSG", "code": 6185 } }