{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"GeographicCRS","name":"CSRN epoch 2025.0 (NAD83 2011)","datum":{"type":"GeodeticReferenceFrame","name":"California Spatial Reference Network epoch 2025.0 (NAD83 2011)","anchor_epoch":2025,"ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"},{"name":"Ellipsoidal height","abbreviation":"h","direction":"up","unit":"metre"}]},"scope":"Geodesy.","area":"United States (USA) - California.","bbox":{"south_latitude":32.53,"west_longitude":-124.45,"north_latitude":42.01,"east_longitude":-114.12},"id":{"authority":"EPSG","code":10909},"remarks":"Replaces NAD83(2011) in California. Supersedes CSRS epoch 2017.5 (NAD83 2011) from 2025-06-15."}