[TowerTalk] Elements over or under
john at kk9a.com
john at kk9a.com
Thu Aug 28 07:14:56 EDT 2014
For my homebrew monobanders, I use DX Engineering element insulators and
N0XX's DX Engineering insulators which are designed to mount on top of
the boom, at least the 3" boom ones are because they are pitched to
compensate for element sag. The 2" boom ones you can mount on either
side. I find it easy to assemble the antenna this way (especially the feed
mechanism) with the boom laying on saw horses. The downside is when you
install the antenna it will try to flip upside down. If you have a
preassembled boom truss or element trusses it will do this anyway
regardless of how you mount the elements. So you have to take some
precaution when rigging so that it cannot flip, which is easily done.
John KK9A
To: "towertalk at contesting.com" <towertalk at contesting.com>
Subject: [TowerTalk] Elements over or under
From: Marv Shelton <marvs at att.net>
Date: Wed, 27 Aug 2014 20:48:52 -0700
Its probably already been asked and answered but what ia everyone's
opinion on
if the elements on a multi-band yagi should be installed hanging below or
above
the boom?
What is any are the structural or other reasons for one way or the other?
Marv
wa2bfw
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