{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"EVRF2007-PL height","datum":{"type":"VerticalReferenceFrame","name":"European Vertical Reference Frame 2007 Poland"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"Poland - onshore.","bbox":{"south_latitude":49,"west_longitude":14.14,"north_latitude":54.89,"east_longitude":24.15},"id":{"authority":"EPSG","code":9651}}