EPSG
Ordnance Survey of Great Britain.
2020-07-24
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Douglas", "scope": "Geodesy, topographic mapping.", "area": "Isle of Man - onshore.", "bbox": { "south_latitude": 54.02, "west_longitude": -4.87, "north_latitude": 54.44, "east_longitude": -4.27 }, "id": { "authority": "EPSG", "code": 5148 } }