The K2MIJ 30 meter "Limbo Stick" antenna. Post #1291.
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Here's a strange, very shortened antenna that works well on the 30 meter amateur radio band (10.000 mHz to 10.150 mHz). According to the author of this post, The 9-inch/22.86 cm vertical "halo" radiation section is made from AWG #10 wire and the loading coil uses 2-inches/5.08 cm of PVC pipe wrapped with AWG #26 to #14 wire. The antenna displays a SWR below 2.0 for all frequencies in the 30 meter amateur radio band. Apparently, this experimental antenna works, although I suspect efficiency will be very low.
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Aloha es 73 de Russ (KH6JRM).
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Aloha es 73 de Russ (KH6JRM).