[TowerTalk] Fw: Topband: Top Loading of Shunt-fed Tower

[Jerry Keller - K3BZ]

Good question.  I sure don't know the answer.... maybe one of our resident gurus might venture one. 
Without pulling the antenna downj to take a look, I'm not even sure how close the boom gets to the 
motor circuits.

73,  Jerry K3BZ

----- Original Message ----- 
From: "N2TK, Tony" <tony.kaz at verizon.net>
To: "'Jerry Keller - K3BZ'" <k3bz at arrl.net>
Sent: Wednesday, February 09, 2005 4:30 PM
Subject: RE: Topband: Top Loading of Shunt-fed Tower


> Hi Jerry,
> I assume the StepIR uses an aluminum boom. I wonder if there is there any
> chance of arc-over from the boom to the motor circuits with high voltage
> induced at the top of the tower/boom when loading on 160M?
> N2TK, Tony
>
>
>
> -----Original Message-----
> From: topband-bounces at contesting.com
> [mailto:topband-bounces at contesting.com]On Behalf Of Jerry Keller - K3BZ
> Sent: Wednesday, February 09, 2005 3:11 PM
> To: Topband Reflector
> Subject: Topband: Top Loading of Shunt-fed Tower
>
> I'm considering shunt feeding of a 45 foot freestanding tower with a 3L
> SteppIR on top for 160 and
> 80. The SteppIR is NOT electrically connected; the tower IS grounded,,, each
> leg has a 32 feet of #4
> solid copper with ground rods at 16 and 32 feet.  The possibility of using
> the SteppIR as a tunable
> cap is interesting... has anyone tried this?  If so, have you run full power
> thru it?  Did you use a
> relay to connect the SteppIR?
> 73,  Jerry K3BZ
>
>
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