Thanks Dave and Jim.
I'll have to take my Yacht Boy 400 and go around the neighborhood to see
what I can find. I thought perhaps it was familiar to someone here.
I didn't listen on AM and now it's gone. I'll try to grab it on AM the ext
time I hear it.
Dan Zeitlin - K2YWE
South Shore ARC - K3AU
Annapolis, Maryland
dan z website <http://danzee.org>
On Tue, Jul 23, 2019 at 11:25 AM JW <jwin95@yahoo.com> wrote:
> What does it sound like in AM mode?
>
>
> At this point it doesn't match anything I'm familiar with or tracked down
> in the past.
>
>
> de Jim WB5WPA
>
> On Tuesday, July 23, 2019, 9:59:36 AM GMT-5, Dan K2YWE <
> dan.k2ywe@gmail.com> wrote:
>
>
> Here is a sample of one of the noises that plague me. The video is of 20M,
> but It can be heard up through 10m and down to 40m, worst on 20m. It peaks
> to the NE (lucky me). The period varies from 40-60 secs, but the duty
> cycle seems to always be 33%.
> Any ideas what kind of noisemaker I should be looking for? Is this what
> proportional control fan inverters behave like?
>
> https://drive.google.com/open?id=1mYu-dyv0zWAcbn8-UK97j-LN0pJPxG1U
>
> TIA, Dan
>
> Dan Zeitlin - K2YWE
> South Shore ARC - K3AU
> Annapolis, Maryland
> dan z website <http://danzee.org>
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