EPSG
BP
2021-04-20
Hydrography, topographic mapping.
Black Sea datum is 0.4m below Baltic datum.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Black Sea", "scope": "Hydrography, topographic mapping.", "area": "Georgia - onshore and offshore.", "bbox": { "south_latitude": 41.04, "west_longitude": 38.97, "north_latitude": 43.59, "east_longitude": 46.72 }, "id": { "authority": "EPSG", "code": 5134 } }