Quote:
Originally Posted by specman
I suspect you have a bad match at the folded dipole since you attached the co-ax directly to the element. A folded dipole has a characteristic impedance of around 300 ohms at resonance, so a balun would work well here. You could use one of those outdoor tv 300 ohm balanced to 75 ohm unbalanced to good effect here, and then use something like RG-6 down to your scanner.
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I have LMR400 ran up to the Yagi - can't get much better than that. I'm confused on how to fabricate a balun to mate with my coax though. Do I really need one? Am I really losing gain? I do afterall, have reception - just want to maximize the gains.
Thanks
Brian