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Here's an ambitious antenna project that you and your fellow radio amateurs can design, build, and use on site during the upcoming ARRL Field Day emergency communications exercise. This video follows several hams as they actually build, erect, and use this antenna for the KC9OLF Field Day station back in June, 2013. Please note the use of 450 ohm ladder line for the antenna feeder, which, with a wide range antenna "tuner", will give this station multiband HF capability. Also note the system for launching the antenna into a nest of trees approximately 72-fee/21.195 meter above ground. This antenna performed very well and was worth the effort to build it. This antenna would make an excellent club project.
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Aloha es 73 de Russ (KH6JRM)