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Amazon.com: Balun One Nine v1 - Tiny Low-Cost 1:9 HF Antenna Balun and Unun with Antenna Input Protection for Ham It Up, RTL-SDR, HackRF and Other HF-Capable Radios. Great for DIY Dipole
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403 CHEAP DIY Homebrew Wire Antennas for Ham Radio | K3RRR Kilo Three Triple R Amateur Radio Station
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