Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: Korean Association of Surveying and Mapping.
Revision date: 2010-06-30
Scope: Cadastre, engineering survey, topographic mapping.
Remarks: Extended from Japan to Korea in 1898. In Japan replaced by Tokyo 1918 (datum code 6301). In South Korea replaced by Tokyo 1918 (code 6301) only for geodetic purposes; for all other purposes replaced by Korean 1985 (code 6162).
Area of use: Japan - onshore; North Korea - onshore; South Korea - onshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Tokyo 1892", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 }, "scope": "Cadastre, engineering survey, topographic mapping.", "area": "Japan - onshore; North Korea - onshore; South Korea - onshore.", "bbox": { "south_latitude": 20.37, "west_longitude": 122.83, "north_latitude": 45.54, "east_longitude": 154.05 }, "id": { "authority": "EPSG", "code": 1048 } }