[Towertalk] telrex 20m646 feedpoint impeadance

[dan hearn]

>From your description the feed point Z is 200 ohms and you need a 4:1
balun. 73, Dan, N5AR

Joe Barnes wrote:
> 
> I am getting ready to put up a telrex 20m646 (20 meters, 6 elements, 46' boom) that I have cleaned up, however I am wanting to put a commercially made balun on the beam instead of the 1/2 wave piece of coax used for a balun from the factory. Does anyone know the feedpoint impeadance of this antenna? I am trying to determine what type of balun I need ( 1:1, 4:1 etc.) .
> Thank you for all input.
> 
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