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Re: [TenTec] New and Improved Terminology (NVIS origins)

To: ken.d.brown@hawaiiantel.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] New and Improved Terminology (NVIS origins)
From: Richards <jruing@ameritech.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 05 Jan 2011 12:42:54 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
There is a question or two on the Extra Class Exam
that makes the same point.   You add ground radials to
to a quarter wave vertical antenna to increase low radiation
angle.   Gordon West says so on his audio discs....    ;-)

=================  JHR  ===================

On 1/5/2011 12:09 AM, Ken Brown wrote:
> Hi Rick,
> I'll have to review this, maybe I am suffering from a false memory, or
> an accurate memory of false information. I thought that a poor
> counterpoise under a vertical reduced the overall efficiency AND had a
> negative effect on the pattern diminishing the low angle radiation more
> than the higher angle radiation. N6LF's studies may help clear it up.
>> The number of radials won't really affect the angle of radiation.
>> With a poor ground, you will still have a low take-off angle; you'll just
>> had a heck of a lot of ground losses.
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