Monoband YAGI's on 10/15/20 meters (5el on 10m. and 4el on 15m. on one boom In the length of 10 meters, 4el on 20m. length boom 12,5 meters) after installation with an new rotator Pro.Sis.Tel PST-51C. Height of a mast of 14 meters plus a pipe of 2,5 meters for installation of antennas.