[Amps] Amp causing RFI

[Mark Schoonover]

Straight from the ARRL:

http://www.arrl.org/grounding

RF grounds do exist. Same page that lists your PDF.

73! Mark KA6WKE

Website: https://www.ka6wke.net

On Tue, Feb 4, 2020, 17:58 Jim Brown <jim at audiosystemsgroup.com> wrote:

> On 2/4/2020 5:26 PM, Mark Schoonover wrote:
> > There can be two paths to ground. One from the back of your equipment to
> > the station ground then back to house ground. The other path is from the
> > ground in the outlet back to breaker box to house ground  then back to
> > station ground. That creates a large loop depending on how much AC
> > wiring involved.
>
> Mark,
>
> I strongly suggest that you study N0AX's ARRL book and/or my tutorial.
> What you are recommending is WRONG and UNSAFE. It is also illegal.
> Ward's book is excellent, probably costs $30-$50. My tutorial is free,
> covers the same material and recommends the same practices. We
> collaborated on his book. http://k9yc.com/GroundingAndAudio.pdf
> >
> >   I use several of those three prong to two prong AC adapters to break
> > the path in the AC ground leaving just one path to ground through
> > station ground.
>
> Again, that is unsafe and illegal.
>
>
> >All chassis grounds are connected to AC ground so
> > electrical safety isn't compromised. Really cleaned up a lot of noise
> > with my station.
>
> If it solved a problem for you, your station has other bad
> grounding/bonding practices.
>
> 73, Jim K9YC
>
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