Hi Tom,

It  is probably the portable CD player.  Those things have no shielding or
any other rfi protection.  If He is using external speakers, the wires are
probably acting like antennas.  Toroids might help, but . . .

Good luck.

73,
Gale
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----- Original Message -----
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, January 24, 2005 7:02 PM
Subject: interesting RFI problem


> Hi, all.
>
> As many of you already know, I teach at a University here in Michigan
called
> Ferris State University.  I am in an office building on the second floor,
> and my office is in the middle of a row of adjacent offices on that floor.
>
> Over the past 3 or so years, I have been using an Icom ICW32A HT with a
> 3-amp regulated power supply, and a twin-lead J-pole, mounted on one of my
> office walls.  Any qsos I have had have been either on our local 2-meter
or
> 440 repeater, and my maximum power has been 5 watts.
>
> Up until today, I have never had any complaints of RFI from any of my
> colleagues.  However, late this afternoon, the guy next to me said that I
> was coming through either his computer speakers, or the speakers on a
> portable CD player that he is using.  Why he couldn't tell me which ones,
I
> don't know, but I was clearly coming through something.
>
> Obviously, I could reduce my power to the low power setting, but that may
> make it harder for me to get into our 2-meter repeater which is about 12
> miles away.  I also could run the HT on battery power, which likely would
> eliminate or at least lessen the problem.
>
> Does anyone have some other suggestions I might try on my end to help deal
> with this problem?
>
> I want to "keep peace" in the office, but still operate when needed.
>
> Best 73 from Tom Behler: KB8TYJ
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