[Towertalk] How To Hold Up A 20' Mast On The Ground?

[n4kg@juno.com]

I have a 10 ft mast holding / storing two 3L20's, a 5L10, and 3L10.

It sits in a 30? inch hole in the ground formed by pounding a short
thin wall steel tube into the ground, six inches at a time, removing
the tube, clearing out the dirt, and pounding it in another six inches,
until the desired depth is achieved.

For a 20 ft mast, I would suggest going deeper, say 4 to 5 ft.

Tom  N4KG

On Tue, 02 Apr 2002 Robin Midgett <robin.midgett@vanderbilt.edu> writes:
> Greetings TT,
> I'm seeking constructive advice on how to hold a 20' mast upright on 
> the 
> ground while antennas are installed onto the mast. The plan is for a 
> crane 
> to place the mast & antenna assembly into the tower top once the 
> tower is 
> built & the antennas are on the mast. A stake through a plate driven 
> into 
> the ground is easy enough to keep the bottom of the mast from moving 
> 
> laterally; how should a person keep the thing upright without 
> hindering the 
> antenna installation?
> I have an idea of using guy wires to hold the mast upright & of 
> using 
> scaffolding as a work platform to install the antennas, working from 
> the 
> top of the mast downward. What say you?
> 
> Thanks,
> Robin Midgett KB4IDC
> VHF+ Glutton
> 
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