Topographic mapping.
Scale determined through three baselines in northeast China. Discontinuities at boundaries of adjustment blocks. From 1982 replaced by Xian 1980 and New Beijing.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Beijing 1954", "ellipsoid": { "name": "Krassowsky 1940", "semi_major_axis": 6378245, "inverse_flattening": 298.3 }, "scope": "Topographic mapping.", "area": "China - onshore and offshore.", "bbox": { "south_latitude": 16.7, "west_longitude": 73.62, "north_latitude": 53.56, "east_longitude": 134.77 }, "id": { "authority": "EPSG", "code": 6214 } }