> I had the same noise issues on 80/160 with my under cabinet
> halogen lights. I changed over to LED light bars and run
> them from a 12V linear power supply. Noise is gone.
>
> http://www.superbrightleds.com/light_bars-rigid.html
>
> 73, Stew K3ND
>
>
>
>
> --- On Wed, 3/25/09, Jim Brown
> <jim@audiosystemsgroup.com> wrote:
>
> > From: Jim Brown <jim@audiosystemsgroup.com>
> > Subject: Re: [TowerTalk] Inverter noise (was OT: Wind
> Turbines and Towers - Results)
> > To: "Tower Talk List"
> <towertalk@contesting.com>
> > Date: Wednesday, March 25, 2009, 11:49 AM
> > On Wed, 25 Mar 2009 10:15:27 -0500, Jim Chaggaris
> wrote:
> >
> > >Any thoughts on what is the best method to
> eliminate
> > the nasty 80/40M hash
> > >generated from one set of 12V cabinet lights?
> >
> > Yes, it is awful, isn't it! BTW -- they are NOT
> > transformers, they are
> > switching power supplies.
> >
> > >My wife makes it habit to turn them on whenever
> I'm
> > operating on 80M or
> > >40M (coincidence?).
> >
> > Yes, my XYL turns on our noise generators to brush her
> > teeth just about the
> > time I'm chasing early morning DX on 160M. Even
> though
> > they're choked a
> > bit, they still get into the EU/VK Beverage that runs
> about
> > 20 ft from
> > them.
> >
> > Delta and Corcom both make small line filters that
> should
> > work quite well
> > on the 120V side of these noise generators. Search
> their
> > catalogs for 1A or
> > 3A units small enough to fit right next to that noise
> > generator. Be sure to
> > keep leads VERY short and bond the body of the filter
> to
> > the body of the
> > noise generator. The Corcom 1VB1 is quite small, but
> > provides good common
> > mode filtering on the HF bands. Its differential
> filtering
> > is not
> > specified.
> >
> > See http://audiosystemsgroup.com/PowerFilters.pdf
> >
> > 73,
> >
> > Jim Brown K9YC
> >
> >
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
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