[TowerTalk] dipole length adjustment

Jim Lux jimlux at earthlink.net
Fri Jan 19 17:23:49 EST 2007


At 01:02 PM 1/19/2007, Donald Chester wrote:
>The best way to solve the problem once and for all is to feed the dipole
>with open wire tuned feeders, using a balanced, link-coupled antenna tuner.
>That way you can instantly change the resonant frequency of the antenna to
>any spot in the band from the comfort of the operating position.  And one
>dipole can cover multiple bands without traps or other jury-rigging.

Or, putting a tuner at the feedpoint, and then using coax, so you 
don't have to fool with openwire line and worrying about the length 
of the feedline.  The loss in the tuner will be pretty much the same 
either way, and it's a heck of a lot simpler to have it at the feedpoint.






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