> 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..
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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