It’s probably been there since I bought this place. I’m just now getting a
radio set up. I don’t think I will cold call anyone until the virus pandemic
has settled down.
I’m still hoping that we will ferret out a cable or phone box…. I can call
them.
73,
Gary “Joe” kk0sd
From: AA5CT <jwin95@yahoo.com>
Sent: Saturday, May 23, 2020 5:35 PM
To: WW3S <ww3s@zoominternet.net>; Gary <gary_mayfield@hotmail.com>
Cc: rfi@contesting.com
Subject: Re: [RFI] Noise centered around 20 meters
Gary,
How long has the noise been affecting you? A week, several weeks, or a month?
My noise source on 160 and 80 meters originating from a residence with
buried utilities in the alley ceased a month or so back, and had been
going for 4 months or so. I lucked out. Didn't have to make a cold call.
The opening line I've used when contacting neighbors is: "Have you had
any radio or TV interference lately?"
That line paid off with a neighbor down the block and on the other
street (we share the same alley w/buried utilities) and turns out he
did have some occasional interference to his TV at the time. It
turned out to the the cheap switching power supply charger
for his kids minibike battery. He was going to unplug it when
it was not used so I was satisfied on the one. YMMV.
73 and good luck.
de AA5CT Jim
.
.
On Saturday, May 23, 2020, 05:18:04 PM CDT, Gary
<gary_mayfield@hotmail.com<mailto:gary_mayfield@hotmail.com>> wrote:
I was able to borrow a portable shortwave radio today, and we clearly
determined the noise is from about a block over. I will build a loop for the
radio tonight and take another whack at it tomorrow.
Anyone have any suggestions for approaching a neighbor you have not met (if
it's in a house) in this era of social distancing?
Thanks and 73,
Gary "Joe" kk0sd
-----Original Message-----
From: WW3S <ww3s@zoominternet.net<mailto:ww3s@zoominternet.net>>
Sent: Saturday, May 23, 2020 11:57 AM
To: Gary <gary_mayfield@hotmail.com<mailto:gary_mayfield@hotmail.com>>
Cc: rfi@contesting.com<mailto:rfi@contesting.com>
Subject: Re: [RFI] Noise centered around 20 meters
What type of internet service do you have, DSL? Does your modem have battery
backup? I chased my tail with my cable modem, it has battery backup since I
also have voip from them as well....switching off breakers makes little
difference with battery backup devices....
Sent from my iPad
> On May 23, 2020, at 12:50 PM, Gary
> <gary_mayfield@hotmail.com<mailto:gary_mayfield@hotmail.com>> wrote:
>
> I was asked to do a video of the noise with no talking. You can see it here:
> https://youtu.be/I_AeXh5IGYg
>
> The noise sounds the same across the band where I can hear it 11 - 15.6 MHz.
> It is the strongest around 13.5 MHz. There are no carriers that I can
> associate with the noise.
>
> I hope this helps.
>
> 73, and Thanks Again,
> Gary "Joe" kk0sd
>
>
> -----Original Message-----
> From: RFI
> <rfi-bounces+gary_mayfield=hotmail.com@contesting.com<mailto:hotmail.com@contesting.com>>
> On Behalf Of Gary
> Sent: Saturday, May 23, 2020 8:46 AM
> To: rfi@contesting.com<mailto:rfi@contesting.com>
> Subject: [RFI] Noise centered around 20 meters
>
> Hey folks,
>
> I don't work a lot of 20 meters, but was thinking I might use
> it during Field Day for a 1E operation. I have some 'noise' that starts
> around 11 MHz and gets stronger as I tune up the band. It is about S8-S9
> across all of 20 meters and finally plays out around 15.600 MHz. I made a
> video showing the issue and placed it on Youtube here:
> https://youtu.be/HD3sH-YjdyE
>
> I have preformed tests turning the breakers off to my home one
> at a time as well as turning the master breaker off and running the radio
> from a battery. The noise is unchanged by this. The noise is there 24 hours a
> day 7 days a week.
>
> The antenna is a simple ground mounted vertical in my backyard.
>
> Any and all help and suggestions are appreciated.
>
> Thanks and 73,
> Gary "Joe" kk0sd
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