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Re: [CQ-Contest] RFI Faucet

To: cq-contest@contesting.com
Subject: Re: [CQ-Contest] RFI Faucet
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net
Date: Sat, 12 Nov 2022 22:39:24 -0800
List-post: <mailto:cq-contest@contesting.com>
Hi Keith,

I'd start by touching base with ARRL's RFI group. Years ago, I heard that touch lamps were not practical to fix, and these faucets may be more of the same. I'm guessing super cheap electronics, running wide open, pretty hi-Z inputs. Could be, for example, a free-running oscillator that gets detuned by proximity. Several years ago, W4UAT gave me a touch-switched LCD monitor that not only put out a ton of RF trash, but turned flips from contest-grade RF. It was no better behaved for me than for Larry, and I gave it away.

73, Jim K9YC

On 11/12/2022 6:00 PM, Keith Dutson wrote:

Anyone know how to shield a touch faucet?  The model I have is Delta Faucet Leland Touch 
Kitchen Faucet.  It is powered by 6 AA batteries.  The battery pack is connected to the valve 
via a pair of wires about 3 feet in length.  There is also a single wire about two feet in length 
connecting the valve to the faucet.
Thanks for any advice.


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