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Re: [RFI] Dimmer Switch

To: KD7JYK DM09 <kd7jyk@earthlink.net>, Howard Lester <howard220@gmail.com>
Subject: Re: [RFI] Dimmer Switch
From: AA5CT via RFI <rfi@contesting.com>
Reply-to: jwin95@yahoo.com
Date: Tue, 10 Dec 2019 17:35:49 +0000 (UTC)
List-post: <mailto:rfi@contesting.com>
 What brand Howard? 

I have mostly only GE brand LED 'bulbs' here.

I have noticed when near the GEs some 'noise' at VHF, but must
be close, within a foot or so.


de AA5CT


     On Tuesday, December 10, 2019, 11:30:56 AM CST, Howard Lester 
<howard220@gmail.com> wrote:  
 
 I have at least one LED bulb that pushes into 2-m VHF-FM. I noticed it (it’s 
not all that strong) while using a 2-m HT from a distance of about 12 feet, and 
while receiving a strong signal. I wondered what the static was until I turned 
off the light. 

Howard N7SO


> Test everywhere you can for RFI.  I have come across LED light bulbs that 
> push their noise into the FM broadcast band, where it's unlikely to be heard 
> in an RF cesspool surrounded by high powered local transmitters, such as los 
> angeles.  In a region where everything is a fringe area, one bulb wipes out 
> the entire VHF broadcast band.
> 
> Kurt
 
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