EPSG_3841: "+proj=tmerc +lat_0=0 +lon_0=18 +k=1 +x_0=6500000 +y_0=0 +ellps=krass +towgs84=26,-121,-78,0,0,0,0 +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=18 +k=1 +x_0=6500000 +y_0=0 +ellps=krass +towgs84=26,-121,-78,0,0,0,0 +units=m +no_defs +type=crs'
Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 6
metre550.45,16.5,45.74,19.5