EPSG
National Geographic Institute of Spain (IGN), http://www.ign.es
2020-07-24
Geodesy, engineering survey, topographic mapping.
Orthometric heights.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Alicante", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Gibraltar - onshore; Spain - mainland onshore.", "bbox": { "south_latitude": 35.95, "west_longitude": -9.37, "north_latitude": 43.82, "east_longitude": 3.39 }, "id": { "authority": "EPSG", "code": 5180 } }