[TowerTalk] 43' vertical mod for true resonance on 80M

Jim Brown jim at audiosystemsgroup.com
Tue Feb 17 15:32:35 EST 2009


On Tue, 17 Feb 2009 12:06:59 -0800, Michael Tope wrote:

>I think W7LR used do very well with a single 90' top-load vertical on 
>160 meters (equivalent to 45' on 80 meters). 

My 160M antenna is 86 ft vertical with a lot of top loading and 60+ 
radials. People tell me I'm loud. My top-loading makes it electrically 
longer than a quarter wave so that it looks inductive (50 + j200 or so), 
and I tune the j200 out with capacitance. 

73,

Jim K9YC





More information about the TowerTalk mailing list