Clearing Up Some Confusion About End-Fed Wire Antennas
If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=0zF7bDoqkG4 This is post 2573 in a continuing series of simple ham radio antennas. Thanks to Gil from the "RadioPreppers.com" website for this fascinating look at end-fed antennas. Gil does an excellent job of explaining the pros and cons of this popular Amateur Radio antenna. Gil shows how to maximize the performance of end-fed random wires with a variety of UNUNs, including 9:1 and 49:1 transformer values. Here are some comments from Gil: Hoping to clear up some confusion on end-fed wires, half-wave or random and the impedance transformers used with them. You also get a free rant on contests and a quick glimpse of my new Elecraft K1. Check out the Half-Wave End-Fed antenna group on Facebook, by Steve Ellington. Formulas for half-wave wire calculations are 143/f in MHz for meters and 468/f for feet. Feedback would be appreciated especially to correct an