EPSG
Instituto Hidrográfico, https://www.hidrografico.pt/
2023-08-07
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Chart Datum Portugal ", "scope": "Hydrography and nautical charting.", "area": "Portugal - offshore.", "bbox": { "south_latitude": 29.24, "west_longitude": -35.58, "north_latitude": 43.07, "east_longitude": -7.25 }, "id": { "authority": "EPSG", "code": 1361 } }