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Thank you, Mike. I placed a couple of toroids in the line, which seems to have made a difference.

I plan instead to use window line as I have several feet which I was planning for a future loop. Has anyone had experience with a balun for the transition to the tuner? Best choice would be what? 1:1, 4:1, or 9:1. Right up front it seems the choice might best be the 9:1 (450Ω:50Ω) but since the dipole is nonresonant, the impedance at the input to the feedline will be some other value. For reference, tThank you, Mike. I placed a couple of toroids in the line, and it seems to have made a difference.?

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Instead, I plan to use window line since I have several feet available that I was originally saving for a future loop project. Has anyone had experience with a balun for transitioning to the tuner? What would be the best choice: 1:1, 4:1, or 9:1??

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At first glance, the 9:1 balun (450Ω to 50Ω) seems like the best option, but since the dipole is nonresonant, the impedance at the feedline's input will likely be a different value. For reference, the wire length is about 170 feet, and the feedline will be 40 to 50 feet long.he wire is about 170' and the feedline will be 40-50'.