Yup!  And tech geeks like me can have 75 switch mode power supplies in a
1000 ft sq house....

SMPS are the devil's work and must be destroyed!  ;)

I've done away with about 1/3 of them so far...  Eventually, I hope to
eliminate ALL of them from the entire property.


Clay Autery, KY5G

On 8/12/2017 10:07 PM, Jim Brown wrote:
> On 8/12/2017 7:31 PM, krug261--- via Elecraft wrote:
>> I came back to radio after a 15 year break.
> The thing that's changed is the proliferation of noise generators. The
> RF environment has become so bad that broadcasters have raised the
> issue with the FCC, and the FCC is studying it in a serious way.
> In a tutorial/applications note about finding and killing it, I made
> an educated guess that the average residence has at least two dozen,
> and probably three dozen, HF noise sources.
> http://k9yc.com/KillingReceiveNoise.pdf
> 73, Jim K9YC
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