Multiple grounding rods and ground loop


Old 06-03-04, 09:07 PM
Thread Starter
Join Date: May 2003
Posts: 72
Multiple grounding rods and ground loop

I'm getting a loud hum through my speakers whenever my satellite tv is hooked up. The dish is grounded but I believe to its own grounding rod. I've read that this can cause a ground loop and may be responsible for the hum I'm hearing. I also read that if the grounding rods are "bonded" the problem will cease. How should this be done?
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Old 06-07-04, 12:57 PM
Join Date: Apr 2003
Location: Eastern PA
Posts: 354
There are a LOT of variables to this. You need to list more information. The first issue is safety. Is the dish on the house or in the ground? is the SAT line grounded where it comes into the house? Let's make sure the dish is grounded properly and then move onto the hum. How is the sat receiver connected to the TV? By the way this is probably in the wrong forum.

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