Electronics and Electrical Capacitors and Resistors ResistorsDummy Antennas, Coaxial Load Resistors - Dummy Loads, RF Termination - Altronic Research John Dyess, President Welcome Welcome to Altronic Research Inc., manufacturer of products for the broadcast and communications industry. Company Profile A leader in product development, Altronic Research was the first to design and produce a water cooled coaxial load resistor (dummy load) . We continue to innovate, recently introducing our convection cooled resistor loads, ideal for IBOC applications . Also our air cooled RF coaxial load resistor