78085159
Sep 24, 2001
Sep 10, 2002
Active Trademark
High performance, long distance antennas using HF, VHF or UHF frequency bands to obtain optimum gain through control of take-off angle, voltage standing wave ratio and antenna pattern, including both parasitic and all-driven arrays as well as Yagi stacking systems and vertical array combinations which allow instant directional switching and simultaneous coverage of two paths; Yagi phase boxes, vertical phase boxes, side mount phase boxes and remote coaxial switches
Electrical and Scientific Apparatus