If you can't view this video, please insert this title URL int your browser search box: https://youtube.com/watch?v=EXD9rAOM_o4. This is post #1054 in a continuing series of Simple Ham Radio Antennas.
Here's a handy device that will increase your enjoyment of amateur radio while protecting your HF transceiver from excessive SWR. SWR protection is particularly important with end-fed half wavelength wire antennas and random length wires used during portable and emergency operations.
Kevin Loughin (KIB9RLW) shows us how to design, build, and use a simple, inexpensive L network antenna transmatch (i.e. "tuner") that will enable you to use a variety of random length wire antennas without worrying about excessive SWR or RF feedback in the shack. The video is well-produced and explains in simple terms how to build this valuable accessory to your ham shack.
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Aloha es 73 de Russ (KH6JRM)