Re: [TenTec] Furnace RFI advice

[Bill Cotter <n4lg@qx.net>]

I have a high-efficiency American Standard (Trane) with 
electrostatic filter and variable speed air handler. The uP system 
that control fan speed (ramp-up/down) is full of spectral noise in 
the form of multiple carriers. I discovered this problem with an 
indoor antenna for SWL'ing, that was located in the attic with the 
furnace. When switching to all the outdoor antennas, I detect no 
noise from that source.
73 bill n4lg


At 12:19 AM 10/3/2007, you wrote:
> I have had a High efficeny Trane for the past 3 years, Also no RFI 
> problems.
> W6RD
> ---- Original Message -----
> From: "Duane Calvin" <ac5aa1@gmail.com>
> To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
> Sent: Tuesday, October 02, 2007 2:57 PM
> Subject: Re: [TenTec] Furnace RFI advice
>
>
> >I installed a new Lennox A/C / gas furnace last year.  Zero RFI 
> problems on
> > either side - my operating doesn't affect the unit, and the 
> unit does not
> > appear to generate any noise I can hear.
> >
> > 73, Duane
> >
> > Duane Calvin, AC5AA
> > Austin, Texas
> > www.ac5aa.com
> >
> > -----Original Message-----
> > From: tentec-bounces@contesting.com 
> [mailto:tentec-bounces@contesting.com]
> > On Behalf Of Ralph Matheny
> > Sent: Tuesday, October 02, 2007 9:44 AM
> > To: tentec@contesting.com
> > Subject: [TenTec] Furnace RFI advice
> >
> > I am about to buy a new furnace, forced air, gas.  I am looking 
> at York
> > and Lennox.  If anybody has any advice re RFI from such 
> furnaces, I'd
> > appreciate a note.
> >
> > Ralph Matheny
> > K8RYU
> > 207 Gibbons Place
> > Marietta Ohio  45750
> > mathenyr@marietta.edu
> >
> >
> >
> >
> >
> >
> >
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