propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange
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hf - Why does the HamQSL website say the 40m band is fair and the 20m band is poor during the day? - Amateur Radio Stack Exchange
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Operating notes: Better band conditions, AC2YD working the world with QRP, 9A/W4GAL rocks a 4-element 40-meter Yagi - KB6NU's Ham Radio Blog
propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange
