{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"ISN2004 + ISH2004 height","components":[{"type":"GeographicCRS","name":"ISN2004","datum":{"type":"GeodeticReferenceFrame","name":"Islands Net 2004","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 ISN93 (CRS code 4659). Replaced by ISN2016 (CRS code 8086)."},{"type":"VerticalCRS","name":"ISH2004 height","datum":{"type":"VerticalReferenceFrame","name":"Landshaedarkerfi Islands 2004"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Spatial referencing.","area":"Iceland - onshore.","bbox":{"south_latitude":63.24,"west_longitude":-24.66,"north_latitude":66.62,"east_longitude":-13.38},"id":{"authority":"EPSG","code":9949}}