Re: [RFI] QRM from recessed lighting

[Jim Brown <jim@audiosystemsgroup.com>]

On 11/17/2021 1:39 PM, David Winarsky wrote:
> when I installed all 10 of them in my shack, there is 6-10db of noise to my 
> antenna less than 50 ft away (and 70 ft up).
10 of the same uncorrelated noise sources is 10 dB stronger than one of 
them alone  -- it's 10X log of the power ratio, and the log of 10 is 1.
73, Jim K9YC
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