Topband: Using wires from large trees as verticals?

Jim Brown jim at audiosystemsgroup.com
Wed Nov 14 12:44:35 EST 2007


VE3CUI said,

>Here we are, fretting about one of Ma Nature's gifts to Hamdom eating 
>our RF alive

It's a matter of learning how to best take advantage of Ma Nature. She 
defines the rules. we need to study and understand them. 

On Wed, 14 Nov 2007 07:10:19 -1000, Ken Brown wrote:

>Currents induced in a low resistance conductor can then re-radiate the 
>RF with little loss, and a change in the net radiation pattern. Think of 
>a parasitic array. Currents induced in a high resistance conductor 
>mostly are turned into heat with much less re-radiation of the RF. I 
>don't see many yagis made of wet wood, but a lot made of aluminum.

EXACTLY!

73,

Jim K9YC






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