[RFI] RFI ID Help Needed

[Joe Galicic]

Hi Chris,

I was using my K3 and a small diameter magnetic loop antenna sticking up through the sunroof of my car.  I've found noise sources with this setup before. 

I can hear CW and FT8 signals on the loop but cant hear the RFI "signal" on the loop.  I thought this was very odd since the signal is pretty strong on my shack radio.

One of my neighbors about .5 miles away has a new solar installation.  I drove past that house and it was quiet.

We don't have powered channel markers in the lake. 

We do have lots of gulf carts around here so perhaps this is a battery charger ?

Thanks, 

Joe
N3HEE

>     On 09/09/2021 8:02 AM Christopher Wawak <kc2ieb at wawak.org> wrote:
>      
>      
>     Have you considered a start at the hams house? drive towards your house. Park car where you begin hearing the wee woos and do your df from there.
>      
>     Can you tell more about what you experienced when looking around for the signal?
>      
>     73 kc2ieb chris
> 
>     On Thu, Sep 9, 2021 at 7:55 AM Joe Galicic < galicic at comcast.net mailto:galicic at comcast.net > wrote:
> 
>         > > >     Greetings All,
> >         >     
> >         >     Here is something for all of you RFI sleuths to have some fun with.  An interesting "signal" has appeared in the last couple of weeks at my QTH.
> >         >     
> >         >     Clues:
> >         >     
> >         >     I've eliminated my house.
> >         >     
> >         >     I've driven around the neighborhood with direction finding gear (K3 with small magnetic loop antenna) with no luck so far.
> >         >     
> >         >     A local ham 5 miles away can't hear it.
> >         >     
> >         >     The "signal" is there 24/7. 
> >         >     
> >         >     It is also on 40 meters.
> >         >     
> >         >     Any ideas what this could be ? 
> >         >     See video here https://youtu.be/sl050wudAm0
> >         >     
> >         >     Joe
> >         >     N3HEE
> >         >
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> >     >