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Re: [RFI] Noise centered around 20 meters

To: Gary <gary_mayfield@hotmail.com>
Subject: Re: [RFI] Noise centered around 20 meters
From: Thomas Mills <tsmills@bellsouth.net>
Date: Sat, 23 May 2020 18:21:45 -0400
List-post: <mailto:rfi@contesting.com>
Could this be coming from solar panels?  

Sent from my iPhone

> On May 23, 2020, at 6:18 PM, Gary <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> 
> Sent: Saturday, May 23, 2020 11:57 AM
> To: Gary <gary_mayfield@hotmail.com>
> Cc: 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> 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> On Behalf 
>> Of Gary
>> Sent: Saturday, May 23, 2020 8:46 AM
>> To: 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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