Questions tagged [qrn]

QRN is the amateur radio term for "atmospheric" noise originating neither from the transmitting station nor the receiving station that is of natural origin, especially on the HF and MF bands. For discussions about noise as an inevitable component of a real signal, see [noise]. For questions about unintentional manmade signal interference, see [rfi].

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How does a higher antenna reduce rain static on a lower antenna?

I have operated at several stations - including my own - where a 40m beam is stacked above a tribander. During a rain storm, there is so much QRN on the 40m beam that the band is unusable, but the ...