Thanks, Steve.

I will do the unplugging thing, and also try some ferite chokes, as I said 
in my last post.

Look forward to hearing about the prelim P A Q P results.

Hope you made first place for Delaware County.

Tom Behler: KB8TYJ

----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, November 15, 2013 8:44 AM
Subject: Re: Anoying Interference Issue


> Tom,
>
> I would probably try unplugging everything possible from the pc and see
> if the noise goes away.   If you find the culprit, put ferrites on it.
>
> I had a keyboard that was causing problems and while ferrites killed 90
> percent of it, I went to a $20 wireless keyboard and never looked back.
>
> BTW, I saw your log was received at the PAQSO site.  I'll give you a
> head's up when the preliminary scores are posted.
>
>
> 73, Steve KW3A
> On 11/15/2013 8:30 AM, Tom Behler wrote:
>> 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
>>
>>
>>
>