Data source: EPSG
Information source: Land Survey Office (ZU), Prague; and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).
Revision date: 2017-12-25
Scope: Geodesy, engineering survey, topographic mapping.
Remarks: Uses Normal heights.
Area of use: Czechia; Slovakia.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Baltic 1957", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Czechia; Slovakia.", "bbox": { "south_latitude": 47.73, "west_longitude": 12.09, "north_latitude": 51.06, "east_longitude": 22.56 }, "id": { "authority": "EPSG", "code": 1202 } }