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amdx wrote in :
I made a 6 inch loop with a 2pf to 10pf cap, I could see a peak in the loop where I adjusted it to, but it was very low Q and when I started dangling it around my radio I couldn't hear any change. It may take a slightly smaller loop, I had my cap set at minimum to get it to tune the low end of the band. In my mind the experiment failed. I have had loads of fun with AM band loops with high Q and obvious effect on reception. Thanks for trying though, it's good info. One reason I imagined staying with a dipole is it's close to what already works as standard. A loop for VHF is a niuce idea for the selectivity of tuning and of orientation, but most radios couple VHF to what amounts to a wire, not a magnetic coupling, so my suspicion is that aiming for magnetic coupling won't work so well as a dipole. |
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