EPSG
National Geographic Institute of Spain (IGN), http://www.ign.es
2020-06-27
Geodesy, engineering survey, topographic mapping.
Orthometric heights.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "La Palma", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Spain - Canary Islands - La Palma onshore.", "bbox": { "south_latitude": 28.4, "west_longitude": -18.06, "north_latitude": 28.9, "east_longitude": -17.66 }, "id": { "authority": "EPSG", "code": 1283 } }