Recently Zacharias Liangas posted here about a new kind of interference, with noise spikes evenly spaced up and down the band. There has recently been a discussion on the Topband amateur radio reflector about precisely this type of interference emanating from certain new heating units and what to do about it (assuming you can find the source!). See below for more information.

Begin forwarded message:

From: Anthony Scandurra via Topband <topband@contesting.com<mailto:topband@contesting.com>>
Date: October 4, 2019 at 10:12:48 AM EDT
To: MrToby <mrtoburen7@gmail.com<mailto:mrtoburen7@gmail.com>>
Cc: David Raymond <daraymond@iowatelecom.net<mailto:daraymond@iowatelecom.net>>, Rob Atkinson <ranchorobbo@gmail.com<mailto:ranchorobbo@gmail.com>>, topband <topband@contesting.com<mailto:topband@contesting.com>>
Subject: Re: Topband: Furnace RFI
Reply-To: Anthony Scandurra <k4qe@icloud.com<mailto:k4qe@icloud.com>>

PDF Resolving Furnace and A/C RFI(Radio Frequency Interference … <http://www.arrl.org/files/file/Technology/Solving%20Furnace%20and%20AC_RFI_KM4LHZ_v9.pdf>

73, Tony K4QE

On Oct 4, 2019, at 9:15 AM, MrToby <mrtoburen7@gmail.com<mailto:mrtoburen7@gmail.com>> wrote:

The ARRL has a 2017 presentation on their website titled "Resolving Furnace
and A/C RFI Problems"
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