{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"RD/NAP","components":[{"type":"GeographicCRS","name":"Amersfoort","datum":{"type":"GeodeticReferenceFrame","name":"Amersfoort","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":"Use of geographic2D CRS Amersfoort (code 4289) for spatial referencing is discouraged. Use projected CRS Amersfoort / RD New (code 28992)."},{"type":"VerticalCRS","name":"NAP height","datum":{"type":"VerticalReferenceFrame","name":"Normaal Amsterdams Peil"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Engineering survey, topographic mapping.","area":"Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.","bbox":{"south_latitude":50.75,"west_longitude":3.2,"north_latitude":53.7,"east_longitude":7.22},"id":{"authority":"EPSG","code":7408}}