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Re: [RFI] FW: Pacemaker and RFI

To: rfi@contesting.com
Subject: Re: [RFI] FW: Pacemaker and RFI
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Wed, 17 Mar 2021 11:09:30 -0700
List-post: <mailto:rfi@contesting.com>
On 3/17/2021 5:38 AM, wx5l@charter.net wrote:
Is there anyone that has experience or an opinion about operating on HF
frequencies 40 through 10 meters with a pacemaker?

This question has been raised many times. The following is my engineering judgment based on the physics. Devices like this have been carefully engineered to reject any stray fields, and the circuitry within them is FAR too small to act as an antenna for HF fields.

It's a simple function of wavelengths. That's why they're cautioning about UHF sources, like cell phones, routers, etc.

73, Jim K9YC
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