Topband: Poor Propagation or Noise?

[Pete Smith N4ZR]

Hi Roger - unfortunately, we have no way of telling, because too many 
factors influence SNR at each individual node.  If you noted that the 
same RBN nodes were giving lower SNR reports than they had on previous 
occasions, then I'd guess propagation must have been poor.

73, Pete N4ZR
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On 1/10/2022 6:25 PM, Roger Kennedy wrote:
> I noticed that signals received from EU over last weekend by most of the US
> RBN sites were around 10 to 20dB lower than normal . . .
>
> Given that they show S/N (rather than absolute signal strengths), is that
> because 160m Propagation was poor . . . or because you had high noise levels
> (QRN) over there?
>
> Roger G3YRO
>
>
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