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Bazz4CQJ · 7th Oct 2019, 2:25 pm

But was't the distinction meant to be that QRN referred to interference due to noise and QRM referred to interference from other transmitting stations? The EFI noise which is such a problem now doesn't really belong in either; perhaps we need to consider QRNn and QRNm, noise natural and noise man-made?

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7th Oct 2019, 2:25 pm	#23
Bazz4CQJ Dekatron Join Date: Apr 2009 Location: Oxfordshire, UK. Posts: 4,934	Re: Top band 1.8Mhz antennas But was't the distinction meant to be that QRN referred to interference due to noise and QRM referred to interference from other transmitting stations? The EFI noise which is such a problem now doesn't really belong in either; perhaps we need to consider QRNn and QRNm, noise natural and noise man-made? B __________________ Saturn V had 6 million pounds of fuel. It would take thirty thousand strong men to lift it an inch.