[RFI] Strange birdies on 10M

[Mike Fatchett W0MU]

Are they always there?  Our washing machine generates a bunch of similar 
stuff when washing.

W0MU

On 7/12/2022 7:52 AM, Pete Smith N4ZR wrote:
> Recently (just the last couple of days), I have noticed that my RBN 
> receiver is showing a far above-average number of decoders on 10M.  
> Investigating this, I see that *only* on 10M, I seem to have a series 
> of birdies.  They are every 8 KHz, and are comprised of a central 
> signal and two weaker ones about 600 Hz either side, and vary 
> substantially in "loudness", although the loudest are still below S0 
> on my K3,
>
> I'm unlikely to invest much time, considering the weakness of the 
> signals, but am wondering if the characteristics suggest some 
> particular kind of SPS or other device
>