9:1 Magnetic Longwire Balun / Unun – M0UKD – Amateur Radio Blog
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Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 1500 Watts, End Fed Long Wire Antenna - Antenna Products - Palomar Engineers®
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Part One - RF Man Discusses Long Wire Antennas, Unun's, RF Chokes, and Antenna Tuners - YouTube
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What is an Unun: RF Antenna Unun » Electronics Notes
CHA UNUN/BALUN
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