{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"Camp Area Astro","datum":{"type":"GeodeticReferenceFrame","name":"Camp Area Astro","ellipsoid":{"name":"International 1924","semi_major_axis":6378388,"inverse_flattening":297}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"scope":"Military survey.","area":"Antarctica - McMurdo Sound, Camp McMurdo area.","bbox":{"south_latitude":-77.94,"west_longitude":165.73,"north_latitude":-77.17,"east_longitude":167.43},"id":{"authority":"EPSG","code":4715},"remarks":"Replaced by RSRGD2000 (CRS code 4764). The relationship to this is variable. See Land Information New Zealand LINZS25001."}