[TowerTalk] Change in resonant freq. near ground?

[David J Windisch]

Since it's a foldover, take measurements in both positions and adjust 
accordingly.
73 Dave W8FGX

----- Original Message ----- 
From: <RLVZ at aol.com>
To: <towertalk at contesting.com>
Sent: Wednesday, November 26, 2008 11:26 AM
Subject: [TowerTalk] Change in resonant freq. near ground?


> Hi Guys,
>
> I've got an Cushcraft XM-240 (shorty-forty) attached to a fold-over tower
> with the tower folded over.  The XM-240's reflector is only 18" off the 
> ground
> and the driven element is pointing straight up in the air and about 23' 
> above
> ground level.
>
> Question: I realize the resonant freq. at this low height will be WAY off 
> and
SNIP