wrote:
I would like to propose a grounding arrangement for my [hypothetical]
antenna and get some feedback on it. I have access to the solid-copper
cold-water pipe that enters my home through the basement wall close to
the basement floor. This pipe is used [in addition to cold water] for
the service entrance [circuit breaker box] ground. I was thinking of
putting an antenna outside on a pole and running the coax into the
basement. Then I would strip back several inches of the outer jacket
of the coax [axposing the braided shield] and connect the coax braid to
the cold water pipe using several hose clamps. This should ground the
coax directly to the service ground - the single point ground for the
house. I would add an arrester near the ground point. I would then run
the coax upstairs [about 10 feet] to the radio, where it would [via the
PL-259] connect to the transceiver chassis. The radio chassis will be
electrically bonded to peripheral equipment chassis'.

It seems that in the unlikely event [low altitude, semi-urban area]
that the antenna were struck by lightning, the energy [albeit
significant] would have no reason to propagate up to my station. Even
though it may elevate my house ground by thousands of volts [with
respect to some other ground point], the station should ride up with it
- and little current should flow in the coax at the station.

Am I whistling Dixie?

Thanks,

-JJ


I'm sure not an expert on the subject but ARRL ran a good multipart
series in 2002 that might address some of your questions.

http://www.arrl.org/tis/info/pdf/0206056.pdf
0206056.pdf (application/pdf Object)

Good luck!

Chuck

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