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.
WGS84 bounds:
154.05 20.37
122.83 45.54
Definition: OGC Well Known Text
DATUM["Tokyo_1892", SPHEROID["Bessel 1841",6377397.155,299.1528128, AUTHORITY["EPSG","7004"]], AUTHORITY["EPSG","1048"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["Tokyo 1892", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]], ID["EPSG",1048]]
Definition: ESRI Well Known Text
DATUM["D_Tokyo_1892", SPHEROID["Bessel_1841",6377397.155,299.1528128]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/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 } }