[TowerTalk] Dual Band OWA Design

[Gene Smar]

John:
     Joe Reisert W1JR published an interlaced design for 17/24M in the Feb 2022 QST. Maybe you can scale it for 15/20M.
73 de Gene Smar AD3F 

Sent from my Radio Shack TRS-80 model 100 laptop 
 
  On Fri, Sep 23, 2022 at 5:30 PM, David Aslin G3WGN<david at aslinvc.com> wrote:   Momobeam have a 20/15 duobander with separate feeds and 4el per band.  I have one here, but it's not built yet. I'll see if I can find the instruction manual which at least would give you some dimensions to work with.  LMK if that would help.
73, David G3WGN M6O

-----Original Message-----
From: john at kk9a.com [mailto:john at kk9a.com] 
Sent: 23 September 2022 13:48
To: towertalk at contesting.com
Subject: [TowerTalk] Dual Band OWA Design

I just completed a big antenna project on my 150 Rohn 65g tower. I refurbished or replaced every antenna on the tower, I added a couple of rotators and moved things around a little. I still have a low unused ring rotor installed and I would like to eventually add a smaller (maybe 3el per
band) dual band 15m, 20m Yagi. I enjoying homebrewing antenna and have plenty of aluminum. I could use some design suggestions for creating a beam with separate feedlines, preferably OWA. I have EZNEC and autoEZ but I have limited experience with the latter. I have been unable to find any 15m/20m interlaced Yagi model examples to get started with. I appreciate any assistance.

Thanks,
John KK9A


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