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Re: [RFI] Dimmer Switch

To: KD7JYK DM09 <kd7jyk@earthlink.net>
Subject: Re: [RFI] Dimmer Switch
From: Howard Lester <howard220@gmail.com>
Date: Tue, 10 Dec 2019 12:30:46 -0500
List-post: <mailto:rfi@contesting.com>
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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