The MFJ-852 is very sensitive. You might find it useful to put a shorting strap
across the receiver input as an attenuator.
73,
Scott K9MA
----------
Scott Ellington
--- via iPad
> On Mar 21, 2021, at 5:28 PM, Gary <gary_mayfield@hotmail.com> wrote:
>
> Mike,
>
> Thanks for the info. I understand locating the noise is more
> important than identifying the noise. I am just try to play all the angles as
> I was hoping to work the WPX contest nest weekend. I have been walking the
> neighborhood a good chunk of the afternoon, and have not been able to hear
> the noise on my portable shortwave and loop antenna. It is as strong as ever
> on my home station.
>
> I have an MFJ 852 Noise Finder and it seems to go crazy when
> broadside to any house. The neighbors on each side of me drive the meter full
> scale.
>
> Yep I only want to knock on one door, as I know that can get
> dicey. I would rather place a call to a utility, but can’t really do either
> until I know.
>
> Keep the suggestions coming!
>
> Thanks and 73,
> Gary “Joe” kk0sd
>
> From: Mike Martin <mike@rfiservices.com>
> Sent: Sunday, March 21, 2021 6:53 PM
> To: Gary <gary_mayfield@hotmail.com>
> Cc: rfi@contesting.com
> Subject: Re: [RFI] New Interference at kk0sd
>
> Joe I haven't had time to read all the other input but I can tell you it is
> not an arcing source or a sparking source. either one of the two would be
> much broader than what you're reporting. if someone were to tell you exactly
> what it is you really wouldn't be any further ahead. You would still have to
> find which residents or business it's in. My suggestion would be to either go
> mobile or on foot, preferably on foot listening to the frequency that you
> know the problem affects. once you locate the residents then go through the
> breaker scenario and locate what the source is. Be 100% certain of the
> structure or home that the problem is in before knocking on the door. The
> last thing you want to do is start guessing. Guessing we'll ruin the
> relationship with your neighbors.
> Be safe,
> Mike k3RFI
> www.rfiservices.com<http://www.rfiservices.com>
> Get BlueMail for Android<http://www.bluemail.me/r?b=16696>
> On Mar 21, 2021, at 2:01 PM, Gary
> <gary_mayfield@hotmail.com<mailto:gary_mayfield@hotmail.com>> wrote:
>
> My last problem was tracked down to a neon sign in a neighbors garage. I had
> several months of blissful relatively low noise operation, but now have a new
> RFI issue.
>
> You can see a recording of it here:
> https://www.youtube.com/watch?v=GKf4P44FXMo
>
> I have turned all of the breakers in my home off and run the radio from a
> battery and the noise remains.
>
> My neighborhood utilities are all underground.
>
> There are no solar installations in my neighborhood, and the noise is there
> at night anyway...
>
> The noise is not detectable on the AM broadcast band, but starts around 2 MHz
> and runs to at least 6 meters.
>
> It is there 7 days a week 24 hours a day.
>
> It is not detectable from my pickup when I drive the streets of my
> neighborhood (checking both AM broadcast and Shortwave).
>
> If any one has heard something like this, I would love to hear what you found.
>
> Thank You for your input and help!
>
> 73,
> Gary "Joe", kk0sd
>
>
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