Re: [TowerTalk] Hygain pushup masts for 80m verticals?

["Jim Brown" <jim@audiosystemsgroup.com>]

On Mon, 20 Aug 2007 15:14:20 -0400, jeremy-ca wrote:

>If using a steel mast then first calculate the RF resistance at the 
>frequency of operation. 

If you do the math, I think you'll find that thanks to skin effect and the 
diameter of the mast, almost any metallic tubular mast will to have less RF 
resistance than a big copper wire. 

>The RF integrity at the various junctions is also far from ideal.

THAT is the real concern. 

Jim K9YC



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