[TowerTalk] Grounding wire choices

[Mike Fahmie]

I agree with Chick, my references say that #6 will survive a strike without fusing but it may come close.  I use #6 solid but have a few parallel paths so the current is spread out.  Have noticed that it seems common practice to use a coarse braided ground line in the south but don't know why.  Skin effect resistance might be lower but inductive reactance dominates the impedance so that shouldn't help much.-Mike-WA6ZTY

      From: Chick Allen via TowerTalk <towertalk at contesting.com>
 To: Gary at ka1j.com; towertalk at contesting.com 
 Sent: Saturday, October 6, 2018 5:50 PM
 Subject: Re: [TowerTalk] Grounding wire choices
  
Take a look at Motorola R56 guideline for grounding.  Great publication.  If you can, include intermediate ground rods as R56 will show.  In MHO, #6 is ok, but #4 would be better.  Stick with solid copper wire for grounding.
GL 73 de Chick, NW3Y


-----Original Message-----
From: Gary Smith <Gary at ka1j.com>
To: towertalk <towertalk at contesting.com>
Sent: Sun, Oct 7, 2018 1:15 am
Subject: [TowerTalk] Grounding wire choices

I am in the process of pounding in 
grounding rods between the breaker box, 
the roof mounted antenna ground wire and 
the coax entrance. I will be bonding all 
together.

The choice of wire I'm not sure about. #4 
or # 6, solid or stranded. I'll be using 
about 100' of it. It seems like the 
thicker, the better but maybe #6 is fine? 
I have no idea about stranded or solid, 
seems like for this, solid would have 
greater mass & be better? I have no idea. 

#6 is a pick-up, #4 is an order.

The remote antenna is 370' away so I won't 
be running it to there.

Thoughts?

73,

Gary
KA1J
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