{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"SHVD2015 height","datum":{"type":"VerticalReferenceFrame","name":"St. Helena Vertical Datum 2015"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]},"scope":"Geodesy.","area":"St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.","bbox":{"south_latitude":-16.08,"west_longitude":-5.85,"north_latitude":-15.85,"east_longitude":-5.59},"id":{"authority":"EPSG","code":7890}}