Towertalk
[Top] [All Lists]

Re: [TowerTalk] Tribanders on separate towers

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Tribanders on separate towers
From: Gary Johnson via TowerTalk <towertalk@contesting.com>
Reply-to: Gary Johnson <gwj@me.com>
Date: Tue, 3 Feb 2026 11:36:23 -0800
List-post: <mailto:towertalk@contesting.com>
The pattern can get kinda strange when Yagis on separate towers are both 
driven. Odd lobes and nulls depend on pointing and may not be intuitive. AC6LA 
has an example generated with AutoEZ. YMMV. Simulation advised.
https://ac6la.com/aecollection5.html#:~:text=have on hand.-,Coupled Yagis on 
Separate Towers,-A question was 
<https://ac6la.com/aecollection5.html#:~:text=have%20on%20hand.-,Coupled%20Yagis%20on%20Separate%20Towers,-A%20question%20was>

-Gary NA6O

> 
> Subject: [TowerTalk] Tribanders on separate towers
> 
> Hello Towertalk 
> 
> I?ve been considering installing multiple triband Yagis (interlaced element 
> types, say 4/4/8) at my QTH to be able to switch directions quickly or power 
> split in multiple directions. Installation heights can be between 50-120? and 
> the towers are between 100-200? apart. Some time ago ISTR Frank W3LPL saying 
> this arrangement would need careful modelling (maybe it was on a CTU 
> presentation) but I?ve not been able to find this information since.

_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>