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My reply is to the below post and all the others. I am in the middle of a remodeling project at my home, and the advise from home designers, electricians, and inspectors is before even considering adding amateur equipment. My house electrical ground runs from the copper pipes at the hot water heater to a ground rod about 12 feet away. The electrical panel is 20 feet away from the hot water heater, and the meter about 20 feet from that. This is the way it was done when constructed in 1982. The cable and telephone are grounded to a spigot 20 feet or more from the hot water heater. While this is a single ground point, the grounds supposedly have a common ground.
The advise, good or bad, given to me is to put a ground rod at the telephone/cable ground and tie it to the water pipes. Place a ground rod at my antenna poles, (one push-up on the end of house and TV on the chimney), and tie them to the copper water pipes. Basically my house now has 5 ground rods, each connected to the copper water pipes. This places the entire house on a common Earth ground. I do now have a new water spigot on each end of the house and on the back of the house. 5 ground rods, 5 water spigots. each spigot is less than 5 feet from a spigot. Might be overkill, but the inspectors ok'ed it before I even started.
Ask me in five years if it caused or prevented any damage from lightning or other similar problems.
Chris Wilkie
W1LKE
Very true Laryn, however, he was not describing a single point ground, just Yahoo! Groups Links
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