R: [TowerTalk] Tall verticals

[Tom Rauch]

> accomplish is to dip it with a grid-dipper. A more practical rule of thumb
> is to measure the height of the tower, add that to 1/2 the boom length of
> the bottom beam (what goes on above the bottom beam is of little
> consequence), and add that to 1/2 of the longest element on the bottom
> beam. 

So in other words, if I have a three element ten meter beam as the 
lowest antenna, and above that I have a three element 20 meter 
beam, I can ignore the 20 meter beam?

I don't think so.

All of the antennas on the tower can make a difference, especially 
the ones with a large overall radius.

    
73, Tom W8JI
w8ji@contesting.com

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