An antenna is known as “directional” if its pattern strongly favors a certain direction. A directional works by concentrating the signal in one direction at the expense of other directions. Also known as the “Beam” antenna.
Read the section on Yagi antennas if you are not familiar with directional (“beam”) antennas and how they work. Since the Cubical Quad works off the same principles, you must first understand the Yagi antenna. Continue reading