{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"BoundCRS","source_crs":{"type":"CompoundCRS","name":"Tokyo + JSLD69 height","components":[{"type":"GeographicCRS","name":"Tokyo","datum":{"type":"GeodeticReferenceFrame","name":"Tokyo","ellipsoid":{"name":"Bessel 1841","semi_major_axis":6377397.155,"inverse_flattening":299.1528128}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"remarks":"In Japan, replaces Tokyo 1892 (CRS code 5132) and replaced by JGD2000 (code 4612) from April 2002. In Korea used only for geodetic applications before being replaced by Korean 1985 (code 4162)."},{"type":"VerticalCRS","name":"JSLD69 height","datum":{"type":"VerticalReferenceFrame","name":"Japanese Standard Levelling Datum 1969"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"id":{"authority":"EPSG","code":7414}},"target_crs":{"type":"GeographicCRS","name":"WGS 84","datum_ensemble":{"name":"World Geodetic System 1984 ensemble","members":[{"name":"World Geodetic System 1984 (Transit)","id":{"authority":"EPSG","code":1166}},{"name":"World Geodetic System 1984 (G730)","id":{"authority":"EPSG","code":1152}},{"name":"World Geodetic System 1984 (G873)","id":{"authority":"EPSG","code":1153}},{"name":"World Geodetic System 1984 (G1150)","id":{"authority":"EPSG","code":1154}},{"name":"World Geodetic System 1984 (G1674)","id":{"authority":"EPSG","code":1155}},{"name":"World Geodetic System 1984 (G1762)","id":{"authority":"EPSG","code":1156}},{"name":"World Geodetic System 1984 (G2139)","id":{"authority":"EPSG","code":1309}},{"name":"World Geodetic System 1984 (G2296)","id":{"authority":"EPSG","code":1383}}],"ellipsoid":{"name":"WGS 84","semi_major_axis":6378137,"inverse_flattening":298.257223563},"accuracy":"2.0","id":{"authority":"EPSG","code":6326}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"id":{"authority":"EPSG","code":4326}},"transformation":{"name":"Tokyo + JSLD to WGS 84 (28)","method":{"name":"Geographic2D with Height Offsets","id":{"authority":"EPSG","code":9618}},"parameters":[{"name":"Latitude offset","value":9.21,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8601}},{"name":"Longitude offset","value":-13.51,"unit":{"type":"AngularUnit","name":"arc-second","conversion_factor":4.84813681109536e-06},"id":{"authority":"EPSG","code":8602}},{"name":"Geoid height","value":27.5,"unit":"metre","id":{"authority":"EPSG","code":8604}}],"id":{"authority":"EPSG","code":1357}}}