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Here's another intriguing portable antenna idea from NG9D. In this video, we learn how to design, build, and use a 3-band HF "Lambda" antenna, so named because it resembles the Greek letter "Lambda." Basically, the antenna approximates a 1/4 wavelength 40 meter vertical with a single 1/4 wavelength elevated radial wire or counterpoise. This antenna requires an antenna "tuner" for multiband HF use. The video covers construction tips, "no solder" assembly, and how to make a homebrewed feed line.
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