[Amps] Antennae (?)

[Roger (K8RI)]

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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