[TowerTalk] Fwd: Antenna to Shack Ground Connection
Brian Carling
bcarling at cfl.rr.com
Fri Jan 30 23:09:47 EST 2015
Most of us have that already in the form of out coax feedline's outer conductor. Typically this is grounded at the antenna and also in the shack. Am I right?
Best regards - Brian Carling
AF4K Crystals Co.
117 Sterling Pine St.
Sanford, FL 32773
Tel: +USA 321-262-5471
> On Jan 28, 2015, at 8:36 PM, Bill Turner <dezrat at outlook.com> wrote:
>
> At the risk of starting a flame war (wouldn't be the first time), I
> have to question the purpose of running a ground wire from the tower
> to the shack.
>
> What is it you are trying to accomplish? Or putting it another way,
> what current are you expecting to flow between your tower and your
> shack?
>
> If your tower takes a direct lightning strike, won't a small
> percentage of the strike find its way into this ground wire, and since
> the wire to earth connection is not zero ohms, some of the strike will
> find its way into your shack?
>
> Even if you disconnect your coax and rotator cables during a storm,
> this ground wire leaves your shack vulnerable, doesn't it?
>
> Does not sound good to me but if there is a good reason, I want to
> hear it.
>
> Bill W6WRT
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