Common point grounding at the power ground would be the NEC answer. I would do that for power grounds and surge suppressor grounds because most surges come via the power lines.
For antenna mounting grounds etc, I would make sure they were in good contact (bonded, perhaps with a separate bonding wire) to the tank or railing or whatever metal structure you are attaching to. From: Josh Baird Sent: Monday, September 28, 2015 8:13 AM To: [email protected] Subject: [AFMUG] Grounding strategies for water tanks We are going to be installing on several water tanks that do not have any other carriers on them. I'm assuming there is probably not a ground ring or system in place at these sites. The electrical service is likely grounded independently using a ground rod at the pole. These sites will have batteries and a charger at the bottom and fiber/DC up the tower. Admittingly, I'm fairly (ok, very) stupid when it comes to grounding systems. I understand that everything *should* be bonded together. However, if the tank it's self doesn't have a sufficient grounding system already in place, what is the best strategy here? Thanks, Josh
