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Re: Topband: Kinstar AM Radio Station Antenna Design

To: "Rick N6PE" <n6pe@pacbell.net>, <topband@contesting.com>
Subject: Re: Topband: Kinstar AM Radio Station Antenna Design
From: "Ford Peterson" <ford@cmgate.com>
Date: Wed, 24 May 2006 17:07:48 -0500
List-post: <mailto:topband@contesting.com>
Rick-N6PE asks:

>I was wondering if anyone has experimented with the Kintronic Inc antenna 
>design?

The short answer is "yes."  In fact, just about everybody on this list has 
either built or used one.  It's called an inverted L.  Very simple but 
effective use of a short vertical support to make a low-height vertical.  How 
the heck these cowboys managed to "invent" an inverted L, and patent same, is 
beyond me.  See patent number 6,580,398.  A quick read of the 'claims' 
indicates a pretty narrow interpretation.  The only magic is to use 4 "L"s to 
eliminate the 1-2dB of pattern skew caused when you use only one.  They also 
managed to get it tested and documented the performance so that they can roll 
them out as a product not requiring a rigorous FCC proof of performance 
analysis.

Ford-N0FP
ford@cmgate.com


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