> Parallel resonance: 6.5, 18.2, 35.8 > > Series Resonance: 16.7 (70ohms), 23.55 (270) , 30.6 (1500) ,35.5 (600) It would be interesting if you could remake your measurements with the choke sitting in a box simulating an RF deck, and note the changes for this model. Thanks, Phil, K5PC