Source: EPSG:9520 — KSA-GRF17 + KSA-VRF14 height
compound horizontal + vertical reference system · Area of use: Saudi Arabia - onshore
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,-0.008393,0.000749,-0.010276,0 +vunits=m +no_defs +type=crsMore about EPSG:9520 →