There was widespread use highly directional antennas are composed of multiple wire vibrators suspended from the steel pillars up to 125 m. 

The most common horizontal in-phase antenna with an adjustable reflector. In recent years, people began to build in-phase horizontal antenna aperiodic , ie, not custom, reflector is a vertical network consisting of many small-diameter horizontal wires hanging from the antenna to the general  Noah supports .Antenna switches are used, and for the transition pa  bots transmitter with one antenna to another - the antenna switch.