A good, basic review "on antenna lengths, feed point impedance, and which balun or unun to use...."
Walt (K4OGO) does an excellent job of "demystifying" feed point impedance and the proper use of baluns and ununs.
This video makes an excellent reference source for any antenna experimenter.
If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=_cL4iHiVoGY.
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Thanks for joining us today.
Aloha es 73 de Russ (KH6JRM).
Here are a few comments from Walt (K4OGO):