----- Original Message -----
From: "Tim Goeppinger" <timgep@hotmail.com>
To: <rfi@contesting.com>
Sent: Tuesday, September 04, 2007 8:29 PM
Subject: [RFI] RFI From Ironman Inspire Treadmill
> This Spring, I had some severe RFI on 40 & 80 meters, and I DF'ed it with
> my
> car's AM
> radio to my neighbor's house. After questioning them for a while we
> figured
> out the RFI
> is from their Ironman Inspire Treadmill. The treadmill has a MSRP of
> $1600,
> but I'm sure they
> paid less. Here it is:
> http://www.ironmanfitness.com/product.php?id=Inspire&cat=treads
>
> My neighbor is very cooperative, and we tried wrapping their power cord
> around the largest
> toroid that Amidon sells, and got in about 6 turns. It reduced the RFI
> from
> about an S9 to
> an S8. I guess that's about 3 dB, but not enough.
>
Tim,
What is the material type (i.e. mix #77, #43) for the Amidon
toroid you wrapped the power chord with?
Mike,
W4EF........................................................................
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