{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"Wellington 1953 height","datum":{"type":"VerticalReferenceFrame","name":"Wellington 1953"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy, engineering survey, topographic mapping.","area":"New Zealand - North Island - Wellington vertical CRS area.","bbox":{"south_latitude":-41.67,"west_longitude":174.52,"north_latitude":-40.12,"east_longitude":176.55},"id":{"authority":"EPSG","code":5770}}