On Thu, Nov 11, 2010 at 12:03 PM, Don Nelson <n0ye@comcast.net> wrote:
> Hi all,
>
> We have a new Lennox furnace which is very rich in RFI energy. One
> observation is that the RFI has a very broad spectrum and it's presence
> is not noticeable by audio sound alone. However, my S meter noise floor
> goes up by 3 or more S units when the furnace is heating the house. The
> furnace we have is the Lennox G71MMP, said to be a 95% efficient furnace.
>
FWIW, I have Lennox G51MP gas furnace/AC and have no RFI problems with it.
My antenna is a 140' slightly inverted V fed with window line to a
transmatch. The furnace may be 5 or so years old so no, it's not a new one.
Howard N7SO
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