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Re: [RFI] 40M QRM/RFI

To: rfi@contesting.com
Subject: Re: [RFI] 40M QRM/RFI
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Fri, 12 Jan 2018 13:53:22 -0800
List-post: <mailto:rfi@contesting.com>
On 1/12/2018 1:36 PM, Leonard Halvorsen wrote:
Sounds like maybe a memory or sensor refresh on a security or fire detector
system.

Yes, that certainly could be a source for signals like this. If the source could be identified, it might be possible to suppress it with one or more multi-turn ferrite chokes, as described in my Killing RX Noise tutorial. k9yc.com/publish.htm

73, Jim K9YC

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