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Re: [TenTec] 160 M antenna

To: tentec@contesting.com
Subject: Re: [TenTec] 160 M antenna
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 09 Nov 2013 08:24:42 -0800
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
On 11/9/2013 3:29 AM, Steve Hunt wrote:
The same RSGB book that had Tim's article also had mine on a 40ft 160m vertical with capacity hat loading.

While your design certainly has merit, radiation resistance is still small -- it's that of the 0.075 wavelength vertical section. Electrically short verticals are thus extremely dependent on excellent radial systems.

And that cleverly tuned capacitive hat would hardly have won an engineering award from me for anything more than illustrating a principle -- it's FAR too difficult to implement. A great design must be PRACTICAL, not just clever.

73, Jim K9YC
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