[RFI] Anyone have a guess as to the source of this noise?

[Charles Plunk]

Looking at it on Audacity, you can see regular narrow pulses of 12 per 
tenth of a second. Also other (maybe 4 more) wider pulses of 12 per 
tenth of a second. So 120hz, it looks like maybe several power line 
arc's intermixed to me.

Chuck
AF4O

On 2/20/20 8:47 PM, qrv at kd4e.com wrote:
> Good point ...
>
> How about this?
>
> AM mode on 14.256
>
> "http://nevils-station.com/stuff/sounds/20feb2020-14256-radiostatic2.m4a"
>
>