{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"AHD height","datum":{"type":"VerticalReferenceFrame","name":"Australian Height Datum"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Cadastre, engineering surveying applications over distances up to 10km.","area":"Australia - Australian Capital Territory, New South Wales, Northern Territory, Queensland, South Australia, Tasmania, Western Australia and Victoria - onshore. Christmas Island - onshore. Cocos and Keeling Islands - onshore.","bbox":{"south_latitude":-43.7,"west_longitude":96.76,"north_latitude":-9.86,"east_longitude":153.69},"id":{"authority":"EPSG","code":5711}}