[RFI] How do I know if LED bulbs are noisy?

[Aaron Kreider]

Try a portable AM radio right next to them.

On 3/21/2016 5:39 PM, Eric Rosenberg wrote:
> This may be a very naive question...
>
> I just replaced 6 CFLs in the basement (within 15 of the shack) with 
> GE LED bulbs.
>
> I can't tell whether the environment has gotten any worse... the noise 
> level in this old (80+ years) house surrounded by crumbling urban 
> infrastructure.
>
> Is there a distinctive sound I should listen for? I'll poke around 
> while an HT, but what am I looking for?
>
> I'm not ready to kill the power and go through the house for a 
> one-by-one circuit audit.
>
> Thanks & 73,
> Eric W3DQ
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