[TowerTalk] Balanced Beams

[Tom Rauch]

One thing everyone should do is look at the feedpoint. Some 
beams use the worse feed-systems on the planet. Mosely is guilty 
of that, where they ground one half on the element in some models 
along with the shield, and feed the other element.

When you do that, not only is the pattern a bit skewed but the 
traps on each element half don't share anywhere near the current 
and voltage on the other side!

That hurts performance and power capability. 

You'd even be amazed at how unbalanced a gamma match can 
make the antenna.


73, Tom W8JI
w8ji@contesting.com

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