EPSG
Eurogeographics, http://crs.bkg.bund.de/crs-eu/
2004-03-09
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Baltic 1980", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Hungary.", "bbox": { "south_latitude": 45.74, "west_longitude": 16.11, "north_latitude": 48.58, "east_longitude": 22.9 }, "id": { "authority": "EPSG", "code": 5185 } }