An L-match antenna coupler with no variable capacitor

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  • เผยแพร่เมื่อ 5 ม.ค. 2025
  • Variable capacitors can sometimes be hard to find. Especially during this time of lockdown with all hamfests cancelled. Described is a 1.8 to 18 MHz L-match antenna coupler that uses double sided fibreglass printed circuit board as a substitute. It's described in Sprat 185 (Winter 2020/21).
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