At 09:55 PM 8/21/99 PDT, Ron Youvan wrote:
>
>Hi:
><< The calculations would be harder as the guys are not horizontal. The the
>biggest issue is:
>
>How would you measure the droop at mid span?
>
>Back to square one? >>
>
> No it is very simple, you look at where the bottom of the center of the
>cable intercepts the tower while looking UNDER the guy with a small
>telescope* (or binock.) from the anchor and you measure (by counting
>section elements) how far down the section the droop is. Most over 1,000
>foot towers come with a page of correct values in its book.
> (the as-built book)
>
> * a telescope from a small rifle works fine, and is held parallel to the
cable.
>
Sure, but for ham-sized towers the measurement error in this method is much
too large a fraction of the total droop. Loos works best.
73, Pete Smith N4ZR
n4zr@contesting.com
Sometimes a tower is just a tower
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