Dave:

I don't have any ferite beads here, but do have some ferite chokes I can 
try.

Thanks and 73 from Tom Behler: KB8TYJ

----- Original Message ----- 
From: "Dave Marthouse" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, November 15, 2013 8:38 AM
Subject: Re: Anoying Interference Issue


> Tom,
>
> You may wish to put ferrite beads on all the cabling that lead into your 
> pc.
> From what I have read over the years is that lots of interference from
> computers is radiated from the cables leading to various peripheral 
> devices.
> That may be a good way to go.
>
> Dave Marthouse N2AAM
> [log in to unmask]
>
>
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Tom Behler
> Sent: Friday, November 15, 2013 8:30 AM
> To: [log in to unmask]
> Subject: Anoying Interference Issue
>
> Hi, all.
>
> As I think many of you know, I am currently in the process of switching to 
> a
> Windows 7 PC as my main home computer.  I will be using the PC for both
> professional and personal purposes here in my home office.
>
> My home office is also where I have my ham station set up, which does have
> its advantages if I need to take a little break and check out the bands
> every once in a while.  (grin)
>
> Anyway, I have just noticed that when this new computer is running, it
> places all sorts of little birdies across the HF bands, particularly the
> higher HF bands like 10 and 15 meters.
>
> To me, this obviously means that the computer has a very poorly-designed
> switching power supply.
>
> My question is what might I be able to do to minimize this interference?
>
> I have thought of switching the computer to another circuit in the house,
> but that would involve running an extension cord into another room, which
> could be a bit of a pain.
>
> If there is a fortunate side to this dilemma, it is that I am not going to
> be using the PC for ham radio applications such as logging, rig control, 
> and
> the like.  Those functions are done via a separate Windows XP laptop that 
> I
> have on my ham radio operating desk.
>
> Of course, the obvious low tech solution to this issue would simply be to
> turn off the main PC whenever I am operating on the HF bands, and I may 
> have
> to resort to that for now.
>
> If, though, there is something else I might want to try, please let me 
> know.
>
> Tom Behler: KB8TYJ
>