{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"AVWS height","datum":{"type":"VerticalReferenceFrame","name":"Australian Vertical Working Surface"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, hydrography, transfer of accurate heights over distances greater than 10km.","area":"Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore.","bbox":{"south_latitude":-60.55,"west_longitude":93.41,"north_latitude":-8.47,"east_longitude":173.34},"id":{"authority":"EPSG","code":9458}}