H6 Systems, Inc. is inthebusiness of manufacturing tube-based high power RF transmitters used in susceptibility testing of military aircraft and ordinance. a longtime established firm, h^y has built high power transmitters and pulsed power RF amplifiers utilizing magnetrons, klystrons, tetrodes and triodes, with frequencies ranging from 150 MHz to 35 GHz and power ranges up to 3.5 megawatts. H6 Systems, Inc. constructs high power RF systems, large and small. The firm integrates tubes, cavities, modulators, PLCs, fault systems, cooling equipment, antennas, positioners and enclosures to produce high power transmitters.