GEOGCRS["SZCTW-IRF", DATUM["SZCTW Intermediate Reference Frame", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Engineering survey, GIS, topographic mapping."], AREA["United Kingdom (UK) - Sizewell power station site and rail and road routes related to the site."], BBOX[52.13,1.35,52.38,1.7]], ID["EPSG",11466], REMARK["Intermediate CRS created in 2026 to assist the emulation of the ETRS89 / SZCTW SnakeGrid projected CRS through transformation ETRS89-GBR [OSNet v2009] to SZCTW-IRF (1) (code 11467) used in conjunction with the SZCTW-TM map projection (code 11468)."]]