Well Known Text
WKT Version 2
COORDINATEOPERATION["OSGB36 to ED50 (1)",VERSION["UKOOA-UKCS"],SOURCECRS[GEOGCRS["OSGB36",DATUM["Ordnance Survey of Great Britain 1936",ELLIPSOID["Airy 1830",6377563.396,299.3249646,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7001]],ID["EPSG",6277]],CS[ellipsoidal,2,ID["EPSG",6422]],AXIS["Geodetic latitude (Lat)",north],AXIS["Geodetic longitude (Lon)",east],ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",4277]]],TARGETCRS[GEOGCRS["ED50",DATUM["European Datum 1950",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7022]],ID["EPSG",6230]],CS[ellipsoidal,2,ID["EPSG",6422]],AXIS["Geodetic latitude (Lat)",north],AXIS["Geodetic longitude (Lon)",east],ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",4230]]],METHOD["Position Vector transformation (geog2D domain)",ID["EPSG",9606]],PARAMETER["X-axis translation",535.948,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8605]],PARAMETER["Y-axis translation",-31.357,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8606]],PARAMETER["Z-axis translation",665.16,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8607]],PARAMETER["X-axis rotation",0.15,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8608]],PARAMETER["Y-axis rotation",0.247,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8609]],PARAMETER["Z-axis rotation",0.998,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8610]],PARAMETER["Scale difference",-21.689,SCALEUNIT["parts per million",0.000001,ID["EPSG",9202]],ID["EPSG",8611]],OPERATIONACCURACY[2],ID["EPSG",1315]]