{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeodeticCRS","name":"SHGD2015","datum":{"type":"GeodeticReferenceFrame","name":"St. Helena Geodetic Datum 2015","ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Geocentric X","abbreviation":"X","direction":"geocentricX","unit":"metre"},{"name":"Geocentric Y","abbreviation":"Y","direction":"geocentricY","unit":"metre"},{"name":"Geocentric Z","abbreviation":"Z","direction":"geocentricZ","unit":"metre"}]},"scope":"Engineering survey including Airport and Ruperts Wharf construction.","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":7884}}