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[TowerTalk] Unique RFI/Grounding system

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Subject: [TowerTalk] Unique RFI/Grounding system
From: (Bill Aycock)
Date: Mon Jun 2 21:15:26 2003
I have seen several references to the UFER ground, which has two 
interesting things to be said for it.  1>- it was downplayed, STRONGLY, by 
the ARRL for years, despite   2. It was a standard for safety grounding of 
explosive storage buildings by the military.  I don't think the ARRL 
realizes how much their reputation suffered in the past because of the 
position they took re this system. "If you have a hit, your base will 
explode because of the steam"

I worked for 38 years in  a 1000 acre plant full of explosive storage 
buildings and sensitive laboratories. All  permanent buildings had 
"Lightening "rods terminating in heavy braided copper cable, 
underground.  So far as I know, the only strike we ever had to a building 
was to a Chem Lab which had had its grounding system cut by a roofing 

At 04:17 PM 6/2/2003 -0700, you wrote:

>At 03:44 PM 6/2/2003 -0700, Steven Gehring wrote:
>>Hi Mark,
>>Do a search on the internet (Google) for what is called a UFER Ground.
>>There are many hits on this type of cement foundation grounding method.  I
>>hope this helps...
>>Besides following the NEC, I'd like to employ this method the next time I
>>build a new house.  I suppose this UFER ground could be bonded to the
>>building ground and a single point ground panel.
>The UFER ground IS the building ground. You wouldn't generally see a 
>conventional ground stake tied to a UFER ground (if only because the UFER 
>is a better ground.. lots of contact area, low impedance, etc.)
>One could use a UFER ground at the tower and at the shack, and tie them 
>together per the NEC...
>Jim, W6RMK
>See:  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.
>TowerTalk mailing list

Bill Aycock - W4BSG
Woodville, Alabama 
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