Re: [TowerTalk] Fwd: Peak Voltage at the tips of ants ?

["Lux, Jim" <jim@luxfamily.com>]

On 10/4/22 9:04 AM, Larry Banks via TowerTalk wrote:
> Theoretically infinite.  I = 0, therefore V = infinite with any power 
> at the tip. 
In theory (!) all the power would have been radiated by the time you get 
to the tip - so zero voltage.

> However the real case is very complex and depends on the environment 
> and therefore the actual impedance at the tip caused by capacitive end 
> effects, etc.   I don't believe there is a simple solution.
> Larry / W1DYJ
> .
>
> On 10/4/2022 11:21, Pete Smith N4ZR wrote:
> > I'd be interested in this.  I think the answer is fairly 
> > straightforward, depending on how far the end is (electrically) from 
> > the feedpoint, but specifics escape me.
> > 73, Pete N4ZR
> > Check out the new Reverse Beacon Network
> > web server at<https://reversebeacon.net>.
> > For spots, please use your favorite
> > "retail" DX cluster.
> >
> > On 10/4/2022 11:07 AM, jim.thom jim.thom@telus.net wrote:
> > > Ok, simple question.  With 1.5 kw (measured at feedpoint)  applied 
> > > to the
> > > 50 ohm input  of the (full sized) dipole / yagi... what is the PEAK 
> > > V at
> > > the tips ?   Assume 1:1 swr at the feedpoint.
> > >
> > > Same question, but ant is not full size, and may have various forms of
> > > loading schemes used.  (Say 50-80%) of full size.
> > >
> > >
> > > Ok, what about  a single, full size  1/4 wave vertical ?   Or a loaded
> > > vertical ?
> > >
> > >
> > > I can't find a straight answer anywhere.
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