(under subclass 368) Subject matter wherein a receiving station includes means for emitting signals of such character as to facilitate the alignment of the directional pattern of the receiver with the direction of travel of the received signal.
(1) Note. Usually, the emitted signal is received by different antenna elements of an array along with the received signal with which it combines to accentuate the difference in phase or some other characteristic of the signal as received in the different antenna elements.
