3 band delta loop. Post #1660.
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If you need a simple, quiet antenna that covers the 15/12/10 meter amateur radio bands, please consider this horizontal loop from Sandy (G4XRV). The antenna is fed with balanced line and, apparently, doesn't need an antenna transmatch (tuner). This design can be scaled for any range of amateur radio bands, if you build the antenna for the lowest selected frequency and use an antenna transmatch to reach higher bands. I have a 40 meter delta loop which covers all ham bands between 40 and 10 meters. I use an antenna "tuner" and 450 ohm ladder line to keep the rig happy. If you can only use one antenna for HF, consider building a delta loop. You won't be disappointed.
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Thanks for joining us today.
Aloha es 73 de Russ (KH6JRM).