Well Known Text
 
WKT Version 2
COORDINATEOPERATION["Greek to GGRS87 (1)",VERSION["HGS-Grc"],SOURCECRS[GEOGCRS["Greek",DATUM["Greek",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7004]],ID["EPSG",6120]],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",4120]]],TARGETCRS[GEOGCRS["GGRS87",DATUM["Greek Geodetic Reference System 1987",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",6121]],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",4121]]],METHOD["Geographic2D offsets",ID["EPSG",9619]],PARAMETER["Latitude offset",-5.86,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8601]],PARAMETER["Longitude offset",0.28,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8602]],OPERATIONACCURACY[5],ID["EPSG",1891]]


