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[TowerTalk] Stack Diversity Pattern

To: "TowerTalk" <towertalk@contesting.com>
Subject: [TowerTalk] Stack Diversity Pattern
From: "Keith Dutson" <kjdutson@earthlink.net>
Reply-to: keith@dutson.net
Date: Wed, 16 Mar 2005 10:14:51 -0600
List-post: <mailto:towertalk@contesting.com>
Assume a stack of four tribanders, each rotatable.  The top two are phased
using a StackMatch II.  Same for the lower two.  The upper and lower pairs
are phased using a third StackMatch II.  Thus, you have a myriad of possible
antenna selections available (1, 2, 3 ,4, 1&2, 1&3, 1&4, etc. to 1&2&3&4).

Is there a way to model the pattern when using all 4 and each antenna is
pointed in a different direction?  For example, say the top is pointed NE,
#2 pointed SE, #3 pointed SW and #4 pointed NW.  In your opinion, would this
work well enough to select one antenna while receiving and then drop the
others and use it for a QSO?  Thanks in advance for your comments.

Keith NM5G

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