[Amps] Antennae (?)

[Alex K2BB]

Speaking of corona discharge...
I remember reading an article (back in radio technical university) regarding antennas detuning due to corona at the end of elements. 
Soviet Union, military, kilowatts :)

... iPhone

On Jul 12, 2012, at 19:23, "Roger (K8RI)" <k8ri at rogerhalstead.com> wrote:

> On 7/12/2012 8:00 PM, Jerry Kaidor wrote:
>>> The most effective ball on the top of the vertical is the copper float
>>> from
>>> a toilet.  Especially appropriate when using 8 sweep tubes in parallel.
>> 
>> *** Or six 3-500Zs?
> 
> Sounds kinda fragile.  I'd go for the 3CW20,000A7 myself.
> And there is a real reason for the ball on top. The prevent, or minimize 
> corona discharge at those higher powers, even the legal limit on a 
> mobile whip.
> 
> Running the legal limit on multi band, stub tuned verticals can get 
> colorful. I burned the plastic caps off the ends on one.  All they 
> needed was a 1/2" or 3/4" aluminum ball in place of the cap.
> 
> BTW what material would make a good core for the matching transformer to 
> run from 160 through six?
> 
> 73
> 
> Roger (K8RI)
> 
> 
>> 
>>                 - Jerry Kaidor
>> 
>> 
>>> 
>>> 73,  Colin  K7FM
>>> 
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