EPSG_5680: "+proj=tmerc +lat_0=0 +lon_0=3 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +nadgrids=BETA2007.gsb +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=3 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +nadgrids=BETA2007.gsb +units=m +no_defs +type=crs'
DHDN / 3-degree Gauss-Kruger zone 1 (E-N)
metre155.92,3.34,55.24,4.5