The Ham rotor is designed to support exceptionally heavy antenna arrangements used by amateur radio operators» and provide for rotation of such antennas through a complete 360 degree range. Position of the antenna is indicated on a meter in the control box. This rotor is built along the general lines of the original TR-2 and TR-4 rotors which have been used extensively for television reception for many years. The weight of the upper mast and antenna is carried directly in line with the supporting mast. The rotor, radial and thrust bearings, electrically operated brake, gear train and indicating mechanism are specially built into an elongated bell shaped housing made of aluminium.