John,
You make a good point that a cold water ground isn't necessarily a real
ground. On the other hand, I use three grounding rods, and I still have the
problem.
Steve
----- Original Message -----
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, June 05, 2007 11:40
Subject: Re: RFI problem.
> From my experience, some computer speakers, you're not going to fix it.
> The
> amplification in those is so cheap and garbage and unfiltered or anything,
> it's just something you'll have to deal with more than likely. Grounding
> to
> a cold water pipe may not help either though as most often if you do it
> after the meter, supposedly the meter can isolate you from that actually
> grounding though I don't always trust that, but worse than that, a lot of
> times either the electrical can be grounded there which should make RFI
> issues worse and when I was new and starting out, my water pipes acted as
> part of the antenna when I did that. It never showed up on the SWR or
> anything, but it caused a lot more RFI than it was supposed to fix and my
> electrical is grounded separate from the water pipe because I have a well
> and most of the line from the well to the tank in the cellar is PVC anyway
> though I didn't know that at the time.
> Short version is though, half the hams I know, myself included go through
> computer speakers in some way, shape or form and there's really nothing
> most
> of us can do about it, a lot of us around here have tried everything there
> is to tru and nothing helped short of just turning them off and using a
> set
> of headphones in my case. The sighted hams just shut them off and leave it
> that way.
> ----- Original Message -----
> From: "Richard French" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, June 05, 2007 11:26 AM
> Subject: RFI problem.
>
>
>> Hi list.
>> I grounded all my equipment to a cold water pipe, but I still come across
>> my
>> computer speakers.
>> It's the only thing in the house I ever had RFI problems with.
>> Any suggestions would be greatly appreciated.
>> Thanks in advance, and 73.
>
>
>
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