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Showing posts with the label How to Build a 9:1 UnUn for Ham Radio Antenna

Simple Ham Radio Antennas--How to Build a 9:1 UnUn for Ham Radio Antenna. Post #845.

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If you're having trouble viewing this video, please insert this title link into your browser search box: https://www.youtube.com/watch?v=mfnvqQeDLoQ.  Long wire HF antennas are great for both portable and home use if you have a good ground radial/counterpoise system and use a balun to match the antenna impedance to the impedance of your HF transceiver.  In this video, "Tinker John" (W5CYF) shows us how to make a simple 9:1 UnUn (unbalanced to unbalanced) for long or random length wire antennas.  John uses a T-130-2 core for the UnUn. John advises using thicker wire on the toroid if you plan to run more than 20 watts.  This simple, inexpensive project should only take a few hours to make. For the latest Amateur Radio news and information, please check out the blog sidebars.  These news feeds are updated daily. Opinions expressed in this blog are mine unless otherwise stated. Thanks for joining us today! Aloha es 73 de Russ (KH6JRM).