Make sure it’s not in your house first....kill the power at the main breaker,
and make sure you don’t have any battery powered devices still plugged in, like
maybe a CATV modem with battery backup for your voip phone service ( been
there, done that)
Sent from my iPad
> On Dec 19, 2019, at 8:39 AM, Larry Burke <wi5a@sbcglobal.net> wrote:
>
> I’m in what could be described as semi-rural so the houses are fairly spread
> out. Don’t think it’s concentrated at meal time, but I will make note of
> that. No strip malls either.
>
>
>
> Thanks!
>
> Larry
>
>
>
> From: AA5CT <jwin95@yahoo.com>
> Sent: Thursday, December 19, 2019 7:28 AM
> To: rfi@contesting.com; Larry Burke <wi5a@sbcglobal.net>
> Subject: Re: [RFI] Thoughts on What This Is?
>
>
>
> Larry, my old Litton MinuteMaster (still running!) microwave oven makes
> a similar cyclic noise similar to that when running.
>
> Does this noise appear at what could be somebody's mealtime? Are you
> near a strip mall with a small eatery?
>
> de AA5CT
>
> .
> .
>
> On Wednesday, December 18, 2019, 7:59:32 PM CST, Larry Burke
> <wi5a@sbcglobal.net <mailto:wi5a@sbcglobal.net> > wrote:
>
>
>
>
>
> Lemme try this again. I screwed up my first request by not realizing my
>
> YouTube video was uploaded as private. It is now public, and any input would
>
> be appreciated.
>
>
>
>
>
>
>
> Anyone know what this noise is?:
>
> <https://www.youtube.com/watch?v=VfDhql7f2EQ
> <https://www.youtube.com/watch?v=VfDhql7f2EQ&feature=youtu.be>
> &feature=youtu.be>
>
> https://www.youtube.com/watch?v=VfDhql7f2EQ
> <https://www.youtube.com/watch?v=VfDhql7f2EQ&feature=youtu.be>
> &feature=youtu.be
>
>
>
>
>
>
>
> It's pretty wideband. Scope is only showing 10 kHz both sides of where I
>
> shot the video but I couldn't identify a specific center frequency for the
>
> noise. It goes way farther than that in both directions.
>
>
>
>
>
>
>
> The noise usually impacts 60m, but I can tell it's there (although weaker)
>
> when I am on other bands. It is not continuous, but like most noises comes
>
> at inopportune times and lasts for varying lengths of time. It also seems to
>
> move around a bit - sometimes I can tell it's there when listening to 60m
>
> but I find it much stronger way outside the band.
>
>
>
>
>
>
>
> It doesn't appear to be there in the middle of the day, although admittedly
>
> I may not be listening as much then.
>
>
>
>
>
>
>
> Larry K5RK
>
>
>
>
>
>
>
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>
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>
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>
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>
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