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Re: [RFI] Smoke Detectors Beeping

To: rfi@contesting.com
Subject: Re: [RFI] Smoke Detectors Beeping
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sat, 28 Jul 2018 09:03:04 -0700
List-post: <mailto:rfi@contesting.com>
On 7/28/2018 6:43 AM, john@kk9a.com wrote:
It is likely that the majority of the problem is feedline radiation.

While it is likely a PART of the problem, the greatest part of the problem is the wiring issues and poor design of the detector.

I
would work on that first.  What performance advantage does an OCF have
over a center fed 1/2 dipole or multiple dipoles in a fan?  The OCF can
have deep nulls on some bands.

I agree that OCF dipoles are a really bad idea for TODAY.  They were an OK solution for LONG AGO, when RFI was much less of an issue.

73, Jim K9YC

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