EPSG
EuroGeographics, http://www.crs-geo.eu
2017-07-14
Geodesy, topographic mapping.
Realized through the second general levelling (DNG or TAW) 1981-1999.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Ostend", "scope": "Geodesy, topographic mapping.", "area": "Belgium - onshore.", "bbox": { "south_latitude": 49.5, "west_longitude": 2.5, "north_latitude": 51.51, "east_longitude": 6.4 }, "id": { "authority": "EPSG", "code": 5110 } }