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Re: [RFI] From: [irca] Strange RFI

To: Gene Smar via RFI <rfi@contesting.com>, Facility 406 <facility_406@bruteforcedevelopment.com>
Subject: Re: [RFI] From: [irca] Strange RFI
From: AA5CT via RFI <rfi@contesting.com>
Reply-to: AA5CT <jwin95@yahoo.com>
Date: Tue, 14 Nov 2023 17:28:54 +0000 (UTC)
List-post: <mailto:rfi@contesting.com>
 Anybody do the calculation/measurement on what the inter-spike frequency is? 


Looks like the switching frequency of a switching power supply.

Could be anything today, including an EV charger perhaps blocks away.

de AA5CT Jim
----------------------------------------------



    On Tuesday, November 14, 2023, 10:59:40 AM GMT-6, Facility 406 
<facility_406@bruteforcedevelopment.com> wrote:  
 
 Received the following message through another forum this morning. 
Peculiar RFI I've not seen, or heard before.

Ideas?

Original poster email address is:

mark@spacetubes.com

Original message below:



Wondering if anyone has seen any RFI that looks like this.

https://spacetubes.com/DX/Digital.RFI.Lower.AM.Band.Start--2023.Nov.14--sdkaz--perseus.mp4

https://spacetubes.com/DX/Digital.RFI.Lower.AM.Band.End--2023.Nov.14--sdkaz--perseus.mp4

The first link shows it starting up, then it goes like that for a while 
(sometimes a long time - half an hour or more), then it ends like what's 
shown in the second link,

Then it can be quiet for a random amount of time, before it starts up again.

Mark Pettifor
Goshen, IN -- en71ao
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