Dipoles

This is a balun originally designed by Guanella and subsequently improved by Dr. Jerry Sevick (W2FMI sk). By utilizing Thermaleze wire inserted in Teflon tubes, Dr. Sevick was able to substantially...

Heavy duty 4:1 tuner balun utilizing stacked cores to provide a very high power rating across all HF frequencies.  Constructed using our enhanced design with Teflon tubing over heavy build Thermaleze...