[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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