{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"NGNC69 height","datum":{"type":"VerticalReferenceFrame","name":"Nivellement General de Nouvelle Caledonie"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"New Caledonia - Grande Terre.","bbox":{"south_latitude":-22.45,"west_longitude":163.92,"north_latitude":-20.03,"east_longitude":167.09},"id":{"authority":"EPSG","code":5753}}