Re: [TenTec] man-made interference

[Bill Fuqua <wlfuqu00@uky.edu>]

Sounds like the power supply needs a simple high voltage transformer for 
it's power supply.
May not be as compact but should work. How complicated are those things?

Bill

At 09:26 PM 11/30/2003 -0700, you wrote:
> YES! i had an electronic air cleaner on my furnace too. it is now GONE! no
> way around the noise that i could find. jack ak7o
>
> ----- Original Message -----
> From: "Guy Zebrick" <gwzmcz@earthlink.net>
> To: <tentec@contesting.com>
> Sent: Sunday, November 30, 2003 9:23 PM
> Subject: [TenTec] man-made interference
>
>
> Just a note, perhaps this will help someone -
> I've been dealing with noise on different band - a slow drifting crud, about
> 8kHz wide. It sounds a lot like the drifting crud I got from a 12v/25A Radio
> Shack switching power supply that I owned for about an hour before I took it
> back.
>
> Tonight I found the source! I have a Honeywell electronic air filter in my
> return air line. It has a high voltage DC switching power supply to charge
> the elements.When I turn it off - the noise is gone!
>
> I don't think line filters will help - I'm might try running a separate
> ground line to a water pipe, but I think I'm stuck with having to turn off
> the device when I operate my ham radio.
>
> ....so, don't forget those electronic air filters when you're trying to find
> electrical noise. 73's
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