Mobile 20-meter band antenna

Mobile 20-meter band antenna mounted on a speaker stand Today I mounted my Diamond HF20FX (a mobile 20-meter band antenna originally bought to use with my mag-mount on the car) on a speaker stand in the spare bedroom, along with counterpoises (or radials). I found a counterpoise calculator on the website of M0UKD ( https://m0ukd.com/calculators/quarter-wave-ground-plane-antenna-calculator/ … Read more

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