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Re: [TowerTalk] Does prevailing grounding scheme promote large ground lo

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Does prevailing grounding scheme promote large ground loop?
From: Dick Blumenstein <rcblumen@centurylink.net>
Reply-to: rcblumen@centurylink.net
Date: Sun, 24 Jul 2016 21:40:35 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
David-

You might tell that to Glen Zook, K9STH, who I understand had been writing articles for electronic magazines for decades:

    <www.w0btu.com/files/misc/R.F._Grounding_primer_2.pdf>

Dick, K0CAT

===========================================
David Robbins wrote on 7/24/2016 12:39 PM:
There is no such thing as an 'RF Ground'.

David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373


-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Dick
Blumenstein
Sent: Sunday, July 24, 2016 16:04
To: TowerTalk@contesting.com
Subject: [TowerTalk] Does prevailing grounding scheme promote large ground
loop?

  From everything I've read, the prevailing overall grounding technique is to
run a heavy duty copper wire from the grounding system around the tower,
back to the ground rod outside the shack wall as well as to run it to the
ground rod under where your AC power enters the house.

It just occurred to me that the AC ground wire, besides going into the house
and connecting to the chassis ground in the breaker box (where also all the
neutral white wires are connected) then proceeds throughout your house and
also to your ham radio shack equipment. It is here that the ground wire also
connects to all the chassis in your shack as well as the shields on your
coax connectors that also finds it way back outside your shack wall to the
ground rod; one huge ground loop.  I know that there are 2 issues here; RF
grounding and lightning protection. Any comments about that?

Thanks,

Dick, K0CAT




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--


Richard (Dick) Blumenstein
Tel:  (386)  451-6660

E-Mail:  rcblumen@centurylink.net

/  "Just because you don't take an interest in politics,
   doesn't mean that politics won't take an interest in you."/
         Pericles, c. 495 – 429 BC


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