In the wayback, (70S), I contested/dxed using a DB-54 Wilson on a 40'
boom -- was interlaced 20/15 -- and, the 4 15M elements were inside the
20M. If memory serves me, this design was in the QSTreet magazine..n'est-ce
pas? Had it on a W-67 tower, which bit the dust, after I added a 6el Wilson
for 10M on the tippy-top -- an educating experience! B U T -- in the
meantime, worky-worky!
73 -- Merry Christmas -- Mark AA6DX
-----Original Message-----
From: W0MU Mike Fatchett
Sent: Tuesday, November 28, 2017 3:38 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] 2-el 15/20 meter duobander
Why not take the measurements from a C3? I think it is just 2 ele on 20
and 15 with 4 on 10.
On 11/28/2017 5:18 AM, john@kk9a.com wrote:
I played modeling 2el dual banders a long time ago and I recall having
success just putting the higher frequency Yagi in-between the elements of
the lower frequency Yagi. It is easy to model and see what happens. Adding
more elements and more bands really complicates things, kudos to the
designers of the excellent multiband interlaced beams.
John KK9A
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