[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
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