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Re: [TowerTalk] Measuring Guy Positions

To: "Tower and HF antenna construction topics." <>
Subject: Re: [TowerTalk] Measuring Guy Positions
From: "Roger (K8RI)" <>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Thu, 15 Apr 2010 17:47:03 -0400
List-post: <">>

Mark Robinson wrote:
> I have my new 100 foot Rohn 45 set to go up on the gable end of the house. I 
> have a wall bracket at 18 feet tied into the second storey ceiling joists. I 
> can remove this wall bracket later if it proves to give me problems and yes 
> I will probably never do a wall bracket again.
> I have set the rear guy back 108 feet at right angles to the gable end of 
> the house. Using string to layout right angle triangles and a triangle with 
> 30 and 60 degrees and a hypotenuse of 97 feet, I have marked the postions of 
> the other 2 guys set 120 degrees from the rear guy line. Since the guys 
> stradle the house and I have trees and a pump house I cannot see any guy 
> anchor postion from any of the other guy anchor location . When I get the 
> tower up to 30 or 40 feet then I will be able to see all three guy anchor 
> points from the tower vantage point. I would like to check the 120 degree 
> spacing of the guys at that time before digging any anchor holes. What is 
> the easiest way to measure the angle between the 3 marked guy anchor 
> postions from my vantage point on the tower.
T-Square against the back side of the tower with the extension against 
the the leg in the direction of the guy anchor. Sight down the edge of 
the extension to the anchor.

It may be crude, but it'll give you well within the acceptable accuracy.


Roger (K8RI)
> thanks Mark N1UK 
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