[RFI] Thoughts on What This Is?

[WW3S]

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 at 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 at yahoo.com> 
> Sent: Thursday, December 19, 2019 7:28 AM
> To: rfi at contesting.com; Larry Burke <wi5a at 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 at sbcglobal.net <mailto:wi5a at 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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