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": "Gran Canaria", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Spain - Canary Islands - Gran Canaria onshore.", "bbox": { "south_latitude": 27.68, "west_longitude": -15.88, "north_latitude": 28.23, "east_longitude": -15.31 }, "id": { "authority": "EPSG", "code": 1280 } }