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[TowerTalk] Cadwelding vs Silver Solder for Ground Radial Systems

Subject: [TowerTalk] Cadwelding vs Silver Solder for Ground Radial Systems
From: "Pat Barthelow" <>
Date: Sun, 09 Jul 2006 10:00:46 -0700
List-post: <>

Folks, a photo of a buried cadwelded cell site perimeter ground system.  
Perimeter of large guage, solid, tinned copper ring about, 50-60 ft direct 
buried, 8" subsurface, with about 15 ea 8' cadwelded ground rods attached.


toggle fwd or back for more photos..

73, DX, de Pat AA6EG;
                  Skype:  Sparky599

>From: Jim Lux <>

>A couple observations...
>The ground resistance from a buried wire 16 ft long is probably comparable
>to a pair of 8 foot rods connected above ground by a 16 ft wire.  Why not
>just trench or slit and bury the wire?  No connections to worry about, no
>rods to buy, etc.
>Cadweld oneshots from Tessco are only $6-7 each.  I imagine that the cost
>of the ground rod is comparable..[Tessco shows a Harger 8'x5/8 rod is $17
>(list)].  Ultimately, you're looking at a cost/benefit tradeoff (better
>ground = lower risk of damage from transients).. Assuming you've got 3 legs
>on your tower, and a couple ground rods on each, you're looking at $60 or
>so for the CadWelds.. that's not a huge number compared to the several
>kilobucks you've got into the tower/antenna/radio....


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