|To:||Tom Rauch <email@example.com>|
|Subject:||Re: [TowerTalk] Station Ground|
|From:||Gary Schafer <firstname.lastname@example.org>|
|Date:||Sun, 16 Jan 2005 14:36:39 -0500|
Tom Rauch wrote:
pieces ofWith a common buss bar you have ground loops between
It all depends on what you are trying to accomplish. If you are only worried about a safety ground then the "green" equipment wire ground should be sufficient if all is "properly installed" as professed. But we all know proper installation of all equipment is rather rare.
If you are wanting a true single point ground system to help with lightning suppression then doing as I described is the proper way to do it. You do not want ANY alternate path into any equipment chassis.
As I said it is not always doable though. In the case of most ham equipment it is very difficult to achieve. The transceiver is always tied to the amplifier via several cables at the operating position etc. In this case both should be bonded together and then to the ground window.
If there is say a 2 meter transmitter near by without connections to the hf equipment it would be beneficial to have its own ground lead to the ground window.
That will further isolate each equipment by not providing a second path for any lightning to exit through some other equipment.
Probably in most typical ham shacks it will be impractical to do separate leads back to the ground window. I am just pointing out the ideal protection scheme for equipment survival.
73 Gary K4FMX
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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