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Intriguing video from Steven Salmon (G7DIE). If you need an ultra simple, cheap, and effective portable antenna for the 20 meter amateur radio band, this coil-loaded vertical antenna will meet that requirement. According to Steven, most of the parts were collected at no cost, except for the inexpensive telescoping fishing rod (about 1-pound sterling). Steven used an online coil calculator to compute the inductance of the loading coil. This homebrewed vertical performed well during Steven's trip to Spain (EA3).
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Aloha es 73 de Russ (KH6JRM)