[TowerTalk] Tower Surveying Tools?

[Jerry Keller]

If obstacles dictate deviation from exact 120 deg (or 90 degree) guy
placement,  how much deviation is acceptable?  What are the consequences?
Jerry K3BZ

----- Original Message ----- 
From: "Richard Karlquist" <richard at karlquist.com>
To: "Chris BONDE" <ve7hcb at rac.ca>; "Rich Hallman - N7TR" <rich at n7tr.com>
Cc: <towertalk at contesting.com>
Sent: Monday, June 09, 2003 11:31 AM
Subject: RE: [TowerTalk] Tower Surveying Tools?


> >
> > Take a rope about 20fr or so long, put a stake in both end, say a large
> > spike.  Push one into the gound in the centre of the tower,  (Say arenot
> > most towers with three verticals have the 3 verticals 120 degrees
> > apart?)  With the other end ot the rope spike draw a circle around the
> > tower, ie using the rope as a compasses.  When the circle is drawnuse
the
> > rope as the radius maker and make 6 marks around the
> >
> > Chris opr VE7HCB
>
> It is easier to just use tape measures simulateously
> to triangulate.  This avoids drawing arcs on the ground.  For example,
> mark the first guy point at the correct radius and arbitrary angle,
> then pull one tape measure from the guy point and another from the
> tower center.  Move them around until they cross each other so that
> the one from the tower center is the correct radius and the other
> reads twice as much.  That is the next guy point.
>
> Rick N6RK
>
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