From: Steve Jones [mailto:firstname.lastname@example.org]
Sent: Monday, January 02, 2012 9:43 AM
Subject: [TowerTalk] How to Level a Crank-up?
I want to level my new US Tower HDX-589. I put a 4' carpenter's level on
all three legs of the base section and have levelled them. This is all US
Is there anything more I can do? I have heard of using two theodolytes with
it fully extended. But I figure the sections must lean a bit due to the
clearances that allow them to slide past each other. I don't want to tilt
the bottom section to compensate for that lean, since different antenna
loads or wind loads will probably make it lean different directions.
With the bottom section leveled, am I done?
## I'd level the base the best you can do with a digital level. On the HDX-689
base, I used the 3 x vertical riser's. Once tower is installed onto the base
[fully nested of course], then install the MAGNETIC, DIGITAL LEVEL
at the top of the bottom section....at the 17'-21' point. Those things are
I have seen folks use 3 of them, one per leg. Then, if required, tweak the
on the tower base. Use a ladder or binocs to see the display[S] on the
## That procedure makes leveling the tower a lot easier. when it's dead
level at the
17-21' point of the bottom section.... that's as good as it gets.
later... Jim VE7RF
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