Extreme Broadband Dipole Antenna for 2 meters. Post #1662.
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This well-made and easy-to-understand video from "Giovanniram22" shows us how to build a broadband coaxial folded dipole antenna using RG-213 coaxial cable. According to the author, the antenna is suitable for both transmitting and receiving on a frequency range of 140 MHz to 150 MHz. This antenna could also be used on the 3rd harmonic to work stations in the 440 MHz-450 MHz amateur radio band (70 cm). Most of the materials for this antenna can be found in your "junk box" or at your neighborhood building supply or home improvement outlet.
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Aloha es 73 de Russ (KH6JRM).