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This is post 2563 in a continuing series of simple ham radio antennas.
One of the most important accessories in your ham shack is the antenna transmatch or "tuner."
An antenna tuner is a basic necessity for a variety of antennas, including end-fed random length wires.
In this video, Kevin Loughin (KB9RLW) shows us how to build a simple, inexpensive L network tuner for end-fed wire antennas.
Here are some comments from Kevin: