Source: EPSG:9935 — DB_REF2016 zone 5
compound horizontal + vertical reference system · Area of use: Germany - onshore east of 13.5°E
+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=5500000 +y_0=0 +ellps=bessel +units=m +geoidgrids=de_bkg_gcg2016.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crsMore about EPSG:9935 →