Source: EPSG:9933 — DB_REF2016 zone 3
compound horizontal + vertical reference system · Area of use: Germany - onshore 7.5°E to 10.5°E
+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=bessel +units=m +geoidgrids=de_bkg_gcg2016.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crsMore about EPSG:9933 →