{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"ETRS89-ITA [RDN2008] + Genoa 1942 height","components":[{"type":"GeographicCRS","name":"ETRS89-ITA [RDN2008]","datum":{"type":"GeodeticReferenceFrame","name":"Rete Dinamica Nazionale 2008","anchor_epoch":2008,"ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"remarks":"Replaces ETRS89-ITA [IGM95] (CRS code 4670) from 2011-11-10."},{"type":"VerticalCRS","name":"Genoa 1942 height","datum":{"type":"VerticalReferenceFrame","name":"Genoa 1942"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Reversible geoid model transformation.","area":"Italy - mainland (including San Marino and Vatican City State) and Sicily.","bbox":{"south_latitude":36.59,"west_longitude":6.62,"north_latitude":47.1,"east_longitude":18.58},"id":{"authority":"EPSG","code":12245}}