Well Known Text
WKT Version 2
CONCATENATEDOPERATION["Greek (Athens) to WGS 84 (1)",SOURCECRS[GEOGCRS["Greek (Athens)",DATUM["Greek (Athens)",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7004]],ID["EPSG",6815]],PRIMEM["Athens",23.7163375,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8912]],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",4815]]],TARGETCRS[GEOGCRS["WGS 84",ENSEMBLE["World Geodetic System 1984 ensemble",MEMBER["World Geodetic System 1984 (Transit)",ID["EPSG",1166]],MEMBER["World Geodetic System 1984 (G730)",ID["EPSG",1152]],MEMBER["World Geodetic System 1984 (G873)",ID["EPSG",1153]],MEMBER["World Geodetic System 1984 (G1150)",ID["EPSG",1154]],MEMBER["World Geodetic System 1984 (G1674)",ID["EPSG",1155]],MEMBER["World Geodetic System 1984 (G1762)",ID["EPSG",1156]],MEMBER["World Geodetic System 1984 (G2139)",ID["EPSG",1309]],MEMBER["World Geodetic System 1984 (G2296)",ID["EPSG",1383]],ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7030]],ENSEMBLEACCURACY[2],ID["EPSG",6326]],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",4326]]],STEP[COORDINATEOPERATION["Greek (Athens) to Greek (1)",VERSION["NTU-Grc"],SOURCECRS[GEOGCRS["Greek (Athens)",DATUM["Greek (Athens)",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7004]],ID["EPSG",6815]],PRIMEM["Athens",23.7163375,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8912]],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",4815]]],TARGETCRS[GEOGCRS["Greek",DATUM["Greek",ELLIPSOID["Bessel 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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]]],STEP[COORDINATEOPERATION["GGRS87 to WGS 84 (1)",VERSION["Hel-Grc"],SOURCECRS[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]]],TARGETCRS[GEOGCRS["WGS 84",ENSEMBLE["World Geodetic System 1984 ensemble",MEMBER["World Geodetic System 1984 (Transit)",ID["EPSG",1166]],MEMBER["World Geodetic System 1984 (G730)",ID["EPSG",1152]],MEMBER["World Geodetic System 1984 (G873)",ID["EPSG",1153]],MEMBER["World Geodetic System 1984 (G1150)",ID["EPSG",1154]],MEMBER["World Geodetic System 1984 (G1674)",ID["EPSG",1155]],MEMBER["World Geodetic System 1984 (G1762)",ID["EPSG",1156]],MEMBER["World Geodetic System 1984 (G2139)",ID["EPSG",1309]],MEMBER["World Geodetic System 1984 (G2296)",ID["EPSG",1383]],ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7030]],ENSEMBLEACCURACY[2],ID["EPSG",6326]],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",4326]]],METHOD["Geocentric translations (geog2D domain)",ID["EPSG",9603]],PARAMETER["X-axis translation",-199.87,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8605]],PARAMETER["Y-axis translation",74.79,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8606]],PARAMETER["Z-axis translation",246.62,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8607]],OPERATIONACCURACY[1],ID["EPSG",1272]]],ID["EPSG",8644]]