The RQ-4444 is an H-type stack of 4 antennas, 2 over 2. Each antenna is 4-element quad for 2 bands -- 21 & 28 MHz. Antennas are spaced by 9 meters both at horisontal and vertical planes. Each antenna boom' length is 6 meters. Antennas are fed in-phase, feeders are separate for 21 and 28 MHz. The most upper point of antenna is 27 meters. Antenna has been built in two months. It was rised on July 4, 2002, at midnight.