{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"ETRS89-PRT [1995] + Cascais height","components":[{"type":"GeographicCRS","name":"ETRS89-PRT [1995]","datum":{"type":"GeodeticReferenceFrame","name":"ETRS89-PRT [1995]","anchor_epoch":1995.4,"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":"Horizontal component of national realization of ETRS89 in continental Portugal."},{"type":"VerticalCRS","name":"Cascais height","datum":{"type":"VerticalReferenceFrame","name":"Cascais"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Spatial referencing.","area":"Portugal - mainland - onshore.","bbox":{"south_latitude":36.95,"west_longitude":-9.56,"north_latitude":42.16,"east_longitude":-6.19},"id":{"authority":"EPSG","code":11579}}