10' is too low to adjust the antenna. I have a Cushcraft A3 that I have use
for contest expeditions and it works fine using the factory settings. If
yours needs adjustment, perhaps something else is wrong.
John KK9A
To:towertalk@contesting.com
Subject:[TowerTalk] Tuning a Cushcraft A3S before putting on tower
From:Harvey KM4JA <km4ja@troycable.net>
Reply-to:km4ja@troycable.net
Date:Wed, 28 Mar 2012 09:12:18 -0500
List-post:<towertalk@contesting.com">mailto:towertalk@contesting.com>
I have my Cushcraft A3S w/ A743 40m add on kit at 10' on a pole after
refurbishing it. I've tuned it for the part of band I want (CW & RTTY)
with my MFJ-259. My question is, how much will the tuning
(SWR/reactance) change when I get it back up at 70 feet? Will it be
about the same or higher?
--
73
Harvey, KM4JA
Ozark, AL
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