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TopBand: Computer Noise on the Radio

To: <topband@contesting.com>
Subject: TopBand: Computer Noise on the Radio
From: SDobak@ptd.net (Stephen Dobak)
Date: Fri, 27 Dec 1996 16:15:41 -0500 (EST)
On Wed, 18 Dec 1996, George Guerin wrote:

>      Hi Topbanders,
>      
>      I just put a rebuilt mother board and some connectors in my no name 
>      386 PC on the table next to my radio.
>      
>      I now get a continual trash sound S9 on 160, S6 on 80 and S3 on 40.  
>      The sound is a continual scheh,scheh,scheh, similar to over the 
>      horizon radar but smoother.  I am also getting more birdies from my 
>      monitor and computer than I like.  So I turn off the packet when I dig 
>      on the low bands!
>      
>      Any help?
>      
>      The keyboard is clean... I unplug it and nothing changes.  I am trying 
>      various ferrite beads and sleeves on the lines.  I may have to try 
>      some more on the lead to the packet board... I must try unplugging the 
>      DRSI board connector to the data radio as well.
>      
>      What else? 

    Don't forget to filter the leads to and from the power supply

>      
>      Please reply direct to george.guerin@kellogg.com, as I am not always 
>      on the topband reflector,
>      
>      Tnx   Merry Christmas   George,  K8GG.
> 
> --
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/---------------------------------------\/------------\
| Shamokin:  Where the birds fly upside | Steve Dobak |
| down, since there isn't  anything  in | WB3AMG      |
| this town worth looking at.           | :-)         |
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