{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"Baltic 1982 height","datum":{"type":"VerticalReferenceFrame","name":"Baltic 1982"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"Bulgaria - onshore.","bbox":{"south_latitude":41.24,"west_longitude":22.36,"north_latitude":44.23,"east_longitude":28.68},"id":{"authority":"EPSG","code":5786}}