Well Known Text

COORDINATEOPERATION["Datum 73 to ETRS89 (6)",VERSION["IGP-Prt 0.1m"],SOURCECRS[GEOGCRS["Datum 73",DATUM["Datum 73",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7022]],ID["EPSG",6274]],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",4274]]],TARGETCRS[GEOGCRS["ETRS89",ENSEMBLE["European Terrestrial Reference System 1989 ensemble", MEMBER["European Terrestrial Reference Frame 1989", ID["EPSG",1178]], MEMBER["European Terrestrial Reference Frame 1990", ID["EPSG",1179]], MEMBER["European Terrestrial Reference Frame 1991", ID["EPSG",1180]], MEMBER["European Terrestrial Reference Frame 1992", ID["EPSG",1181]], MEMBER["European Terrestrial Reference Frame 1993", ID["EPSG",1182]], MEMBER["European Terrestrial Reference Frame 1994", ID["EPSG",1183]], MEMBER["European Terrestrial Reference Frame 1996", ID["EPSG",1184]], MEMBER["European Terrestrial Reference Frame 1997", ID["EPSG",1185]], MEMBER["European Terrestrial Reference Frame 2000", ID["EPSG",1186]], MEMBER["European Terrestrial Reference Frame 2005", ID["EPSG",1204]], MEMBER["European Terrestrial Reference Frame 2014", ID["EPSG",1206]], MEMBER["European Terrestrial Reference Frame 2020", ID["EPSG",1382]], ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]], ENSEMBLEACCURACY[0.1],ID["EPSG",6258]],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",4258]]],METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","D73_ETRS89_geo.gsb",ID["EPSG",8656]],OPERATIONACCURACY[0.1],ID["EPSG",6189]]