{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"SRGI2013 + INAGeoid2020 v1 height","components":[{"type":"GeographicCRS","name":"SRGI2013","datum":{"type":"DynamicGeodeticReferenceFrame","name":"Sistem Referensi Geospasial Indonesia 2013","frame_reference_epoch":2012,"ellipsoid":{"name":"WGS 84","semi_major_axis":6378137,"inverse_flattening":298.257223563}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"remarks":"Horizontal component (JKHN) of national geodetic control network (JKG). Adopted 2013-10-11. Replaces DGN95 and all older systems."},{"type":"VerticalCRS","name":"INAGeoid2020 v1 height","datum":{"type":"VerticalReferenceFrame","name":"Indonesian Geoid 2020 version 1"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Spatial referencing.","area":"Indonesia - onshore and offshore.","bbox":{"south_latitude":-13.95,"west_longitude":92.01,"north_latitude":7.79,"east_longitude":141.46},"id":{"authority":"EPSG","code":9529}}