EPSG
Bundesamt für Kartographie und Geodäsie (BKG), http://crs.bkg.bund.de/crs-eu/
2011-08-03
Geodesy, engineering survey, topographic mapping.
Replaces DHHN85 in West Germany and SNN76 in East Germany. Uses Normal heights.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Deutsches Haupthoehennetz 1992", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Germany - onshore - states of Baden-Wurtemberg, Bayern, Berlin, Brandenburg, Bremen, Hamburg, Hessen, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Sachsen, Sachsen-Anhalt, Schleswig-Holstein, Thuringen.", "bbox": { "south_latitude": 47.27, "west_longitude": 5.86, "north_latitude": 55.09, "east_longitude": 15.04 }, "id": { "authority": "EPSG", "code": 5181 } }