BOUNDCRS[SOURCECRS[PROJCRS["ETRS89 / UTM zone 28N (N-E)",BASEGEOGCRS["ETRS89",ENSEMBLE["European Terrestrial Reference System 1989 ensemble",MEMBER["European Terrestrial Reference Frame 1989"],MEMBER["European Terrestrial Reference Frame 1990"],MEMBER["European Terrestrial Reference Frame 1991"],MEMBER["European Terrestrial Reference Frame 1992"],MEMBER["European Terrestrial Reference Frame 1993"],MEMBER["European Terrestrial Reference Frame 1994"],MEMBER["European Terrestrial Reference Frame 1996"],MEMBER["European Terrestrial Reference Frame 1997"],MEMBER["European Terrestrial Reference Frame 2000"],MEMBER["European Terrestrial Reference Frame 2005"],MEMBER["European Terrestrial Reference Frame 2014"],ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[0.1]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4258]],CONVERSION["UTM zone 28N",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-15,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9996,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing (N)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting (E)",east,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Pan-European medium scale conformal mapping."],AREA["Europe between 18°W and 12°W: Faroe Islands - offshore; Ireland - offshore; Jan Mayen - offshore; Portugal - offshore mainland; Spain - offshore mainland; United Kingdom (UKCS) - offshore."],BBOX[34.93,-16.1,72.44,-11.99]],ID["EPSG",3040]]],TARGETCRS[GEOGCRS["SMITB20-IRF",DATUM["SMITB20 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 and topographic mapping for railway applications."],AREA["United Kingdom (UK) - on or related to the rail route from Okehampton to Penstone."],BBOX[50.65,-4.1,50.85,-3.6]],ID["EPSG",10272]]],ABRIDGEDTRANSFORMATION["ETRS89 to SMITB20-IRF (1)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","TN15-ETRS89-to-SMITB20-IRF.gsb"],USAGE[SCOPE["Engineering survey and topographic mapping for railway applications."],AREA["United Kingdom (UK) - on or related to the rail route from Okehampton to Penstone."],BBOX[50.65,-4.1,50.85,-3.6]],ID["EPSG",10273],REMARK["In conjunction with the SMITB20-TM map projection (code 10274) applied to SMITB20-IRF (code 10272), emulates the SMITB20 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009) defines SMITB20-IRF hence is errorless."]]]