[RFI] Dimmer Switch

[Howard Lester]

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