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Re: [RFI] RFI 80 through 10 meters every 10 KHz tracked down to neighbor

To: Don Kirk <wd8dsb@gmail.com>
Subject: Re: [RFI] RFI 80 through 10 meters every 10 KHz tracked down to neighbors house
From: Michael Carter via RFI <rfi@contesting.com>
Reply-to: Michael Carter <Mike.Carter@unh.edu>
Date: Mon, 2 Dec 2024 11:03:02 +0000
List-post: <mailto:rfi@contesting.com>
Don, you mentioned the suspected generator of RFI is the LED strip light 
'controller.'  You replaced the power converter with a linear bench supply to 
no avail.

What features of the LED strip lights are governed by the 'controller' box?  
Pulsing of the string and/or dimming by PWM would be obvious sources of RF 
emission.

Even though the problem was 'solved' by the owner discontinuing use of that LED 
strip light, I am curious about the mechanism of RF generation in the 
'controller' box.

Thanks, and 73,
Mike, K8CN

________________________________
From: RFI <rfi-bounces+mike.carter=unh.edu@contesting.com> on behalf of Don 
Kirk <wd8dsb@gmail.com>
Sent: Sunday, December 1, 2024 10:25 PM
To: jim@audiosystemsgroup.com <jim@audiosystemsgroup.com>
Cc: rfi@contesting.com <rfi@contesting.com>
Subject: Re: [RFI] RFI 80 through 10 meters every 10 KHz tracked down to 
neighbors house

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One correction, I probably should have said they were LED strip lights
whereas I called them string lights.

Don (wd8dsb)
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