Kim,
No it's a good idea. I just plugged my TECSUN PL-310 portable shortwave
into my HF antenna (HyGain DX-88) when I do that I hear the noise on the
portable...
I do not have another HF antenna, other than a 14 AVQ in pieces in my
garage.
Keep the ideas coming!
73,
Gary "Joe" kk0sd
-----Original Message-----
From: RFI <rfi-bounces+gary_mayfield=hotmail.com@contesting.com> On Behalf Of
Kim Elmore
Sent: Sunday, March 21, 2021 9:28 PM
To: rfi@contesting.com
Subject: Re: [RFI] New Interference at kk0sd
It's odd that you can't hear it on your portable rx. That made me
curious: What if this is something internal to your '847? Have you tried
pulling your '847 and listening on a different receiver using the same antenna?
If you have, do you still hear the noise? It's a long shot, but...
Kim N5OP
On 3/21/2021 7:28 PM, Gary 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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--
Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
/"A great second violinist plays second fiddle to no one." //– Robert C.
Marsh, Chicago Sun-Times./
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