[CQ-Contest] 4O3A Station rebuild

[donovanf at starpower.net]

Hi Ranko,

You didn't mention WHAT You want optimize...
Maybe you want to optimize gain in a 4 Yagi stack?

It's not possible to optimize gain on both 40 and 20 meters.
My recommendation is to optimize gain on 40 meters and
Use long boom tribanders to optimize gain on 20 meter
And not try to use two towers for horizontal stacks.

EZNEC can easily determine optimum spacing

Good luck with your rebuild!

73
Frank
W3LPL 




----- Original Message -----
From: Ranko Boca <4o3a at t-com.me>
Cc: Contest Reflector <cq-contest at contesting.com>
Sent: Fri, 20 Apr 2018 04:04:04 -0400 (EDT)
Subject: [CQ-Contest] 4O3A Station rebuild

When making something big, such as a life time contest project, it is
better to share and listen for advice. Here we have an experienced group of
contesters and maybe someone has something to say that I am not considering
at the moment?

I am intending to rebuild the 4O3A station. One of the tasks is to put two
towers in stack toward USA.
On each tower I will have a stack of 2L40, together with a tribander stack.
The idea is to optimize horizontal distance of towers on 40M and 20M. Other
bands can't be optimized, and are not that important.

I am still looking for tribanders designs, either to buy them or to build
them.

Any advice is welcome.

73
Ranko
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