[Mobile-Portable] Hash

Wed, 14 Aug 2002 22:05:01 -0500

"somewhere" I read about the problem I'm having, but can't find the source 
or solution.  Here we go...

1997 Tahoe.  With NB on, things are actually very quiet.  However, after a 
certain period of time, I get a terrible hash... S5 to S6.  Makes things 
very difficult.  It is not there all the time.

Tonight, as I pulled up to the house it was doing the "hash" thing.  I shut 
off the car.  Then, for fun, I started the car... and it was gone!

I'm thinking that maybe it is the engine fan?  That would explain why it is 
intermittent.  I believe I read this already, that it could be this... but 
my question is... how to stop it???

And be easy on me... I know computers and the Internet, but I am quite the 
appliance operator.

73 - Scott KA9FOX

At 08:10 PM 7/14/2002 +0000, you wrote:
>I suggest that you ground your tailpipe.  For more
>ideas, check out my website below, which includes an
>article on noise suppression.
>
>http://www.qsl.net/ka0dxm/
>
>Richard
>KA0DXM
> > I know this subject has been going around for years, but I'm about to 
> give up.
> > In my recently acquired 2000 Expedition, I installed my trusty but 
> ancient IC706
> > and used all the standard wiring and grounding expertise that I've used 
> over the
> > past 10 years in different vehicles. However this car gives me 4-5 S 
> unit of
> > noise, engine on vs. engine off. It doesn't appear to be fuel pump 
> noise from
> > what I've researched. The rig runs straight to battery (but it's a long 
> run of
> > DC cable so I've added torroids). I've removed and cleaned standard 
> Ford grounds
> > and of course, added my own everywhere I can think of. The antenna is a 
> Hustler
> > mounted on a trailer hitch extension off to the driver's side of the 
> car, which
> > is bolted onto the hitch and grounded to the chassis.
> >
> > Any new ideas from anyone? 20 meter seems worse than 40.
> >
> > ted / w4ne
> >
> >
> >
> >
> > ________________________________________________________________
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---------------------------------------------------------------
Scott Neader KA9FOX   (608)788-1234 / FAX (608)787-0100
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