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Re: [RFI] DFing intermittent connection

To: rfi@contesting.com
Subject: Re: [RFI] DFing intermittent connection
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Wed, 11 Aug 2021 11:35:31 -0700
List-post: <mailto:rfi@contesting.com>
On 8/11/2021 11:26 AM, Steve London wrote:
It's nice to
have a name for this: PIM (passive intermod).

W3LPL was the first to alert me to this mechanism as a cause of harmonics, with rotators as a common place on towers where it occurs. The fix is to bond around it. He also observed that it commonly occurs in an SMPS, which could be anywhere. The fix is to search and destroy. :)

73, Jim K9YC
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