Jim, I worried that the choke impedance might be too high to be matched by the tuner, but my TenTec 238 matches that Type 52 choke easily from 7MHz thru 30MHz, including resonance where its impedance is over 12,500 Ohms. Steve G3TXQ On 05/07/2016 17:24, Jim Brown wrote: > That sounds like a good test. > > 73, Jim K9YC >