[Elecraft] Noise Nuller

[Tim Tucker]

You can always tell the poster that lives out in the middle of nowhere... :)

I have a standing invite for anyone travelling through the area who has
never experienced what it is like to operate HF in the big city to come
spend a few hours in my station in the middle of Los Angeles...

Tim
AE6lx

On Fri, Jul 17, 2026 at 10:33 AM Bob McGraw via Elecraft <
elecraft at mailman.qth.net> wrote:

> Has anyone given thoughts or efforts to finding and addressing the
> source of the noise?   All of these electronic concepts are great, but
> would not finding, reducing or eliminating the source be more
> effective.   I seem to think so from my personal experience of tracking
> down noise and resolving same.
>
> Start with the radio on a battery as the power source.  Then drop the
> mains power.   Note the noise level.  Then restore mains power and
> observe the noise.  That my friends is coming from your house. This
> should be easy to find and correct.   Power distribution systems noise
> are more challenging to find and correct.  But with a bit of cooperation
> from the power company that can be accomplished as well.
>
>  From my experience and work, my noise level on most all bands, 160M -
> 6M,  is S-2 to S-3, excluding atmospheric noise of distant lightning.
>   Winter will correct that.
>
> 73
>
> Bob, K4TAX
>
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