[Antennas] 160 vertical capacitance question

Peter Veach n9qzd at spbbs.com
Sun Nov 13 05:55:23 EST 2005


I think you are going to need inductance at the base, not capacitance.

> -----Original Message-----
> From: antennas-bounces at mailman.qth.net
> [mailto:antennas-bounces at mailman.qth.net]On Behalf Of W0DXZ at aol.com
> Sent: Friday, November 11, 2005 1:52 PM
> To: antennas at mailman.qth.net
> Subject: [Antennas] 160 vertical capacitance question
> 
> 
> I have a metal pole, insulated from ground  (a vertical  antenna) 
> about 50 
> feet high, with  4 ,4 foot long capacitance hat rods on  it  (get 
> that?) How to 
> feed it, etc?
>  I plan on feeding it with either,,, coax, or "open wire  line", 300 ohm.
> Now, the question is, I think I have to add some capaitance at  
> the base of 
> the vertical... how much?  I was thinking of adding  a 350mf  
> variable,,, is 
> that the right ball park? Then running the  coax or whatever into 
> a tuner in the 
> shack. Hoping the 350mf  will get it  close,.,, any help?
> I have this great vertical, just dont know how to feed  it,,,
> 73 Bob W0DXZ
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