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Re: [TowerTalk] Phased Verticals

To: "'Bill'" <>, <>
Subject: Re: [TowerTalk] Phased Verticals
From: "John Wagner" <>
Date: Wed, 5 Apr 2006 10:21:04 -0400
List-post: <>
> Another source for phased vertical information is in a 
> Telex-HyGain Engineering report entitled "Phased Multi-Band 
> Verticals for Additional Gain and Low Angle Radiation."  The 
> report is undated but contains designs for 2 and 3 element 
> phasing systems showing the patterns and switching 
> configurations.  In the report the 3 antenna system is shown 
> with the antennas placed at the corners of an equilateral 
> triangle with each side of the triangle being 1/4 wavelength. 
>  In this configuration the report states that for the three 
> antenna configuration a 60 degree pattern can be switched in 
> six selectable directions.  Note that the cardioid pattern 
> shown in the report for the two antenna system is not totally 
> correct (it shows a point in the gain direction) and it does 
> not show patterns for the three element array.
> I have used the two antenna design successfully by mounting 
> two 14 AVQs on the metal roof of my workshop and switching in 
> a quarter wavelength of coax with a remote relay box to 
> reverse the direction of the cardioid or to produce a 
> broadside signal..
> 73
> Bill
> W7VP

This report is in the back of the AV-12AVQ and AV-14AVQ manuals you can
download on the HY-Gain web-site.

Interesting..Thanks for the info.

73 John W8JJW


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