Hams still use modern versions of antenna rotators to adjust directional antennas. The most expensive part of any old TV was the picture tube. These tubes were fragile and expensive to make and ...

TV antennas are having something of a renaissance ... If they are wide apart, an antenna on a rotator—a motor that can turn the mast the antenna is mounted to to change the antenna’s ...

This brilliant signal amplifier automatically selects the best TV reception from up to three antennas and eliminates the need for an antenna rotor.