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
loads or wind loads will probably make it lean
With the bottom section leveled, am I done?
Measure the elevation of several stars around the
horizon, then plot the errors. If you get a flat line
it is vertical.
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