[Towertalk] Lightning Protection - Perimeter Ground

[sparks@apk.net]

I should have made myself a little more clear, sorry.  This IS part of a 
properly designed ground system -- SPG, multiple ground radials off the tower 
legs (with #2 interconnecting, Cadwelded), halo ground, etc.  Ron Block's 
article in QST is a good view of what I'm putting in.  My question was very 
specific to the location of the perimeter ground.

Quoting "Bill Hider (N3RR)" <n3rr@erols.com>:

> Jeff,
> 
> No, that will not "do".
> 
> You need to follow proper grounding procedures.
> 
> Ground rods need to be spaced every "2n" apart, where n=the length of
> the
> ground rod in feet.  The grid should be n distance from the building
> also.
> It's not the #4 wire that's important, it's the ground rods!
> 
> Depending on where your power, Telco, antenna cables, and control cables
> enter the building, that will/may modify that  somewhat.
> You need a single point ground SPG entry that is tied into the ground
> grid
> along with power & Telco.
> 
> The above is just the beginning of a design for your situation.  Please
> look
> at my website and see what needs to be considered when designing a
> grounding/lightning protection scheme.  www.erols.com/n3rr
> 
> Also, read the PolyPhaser book or go to their website.
> 
> Then, come back and ask more questions.
> 
> 73,
> 
> Bill, N3RR
> 
> 
> ----- Original Message -----
> From: <sparks@apk.net>
> To: <towertalk@contesting.com>
> Sent: Monday, August 26, 2002 12:17 PM
> Subject: [Towertalk] Lightning Protection - Perimeter Ground
> 
> 
> > My shack is in a separate building 25 feet from the base of my tower.
> How
> close
> > to the building should the perimeter ground be?  I was going to tuck
> #4
> bare
> > copper into a 4-6" deep slit about a foot from the sidewalls, with a
> ground rod
> > at each corner.  Think that'll do?
> >
> > 73 - Jeff, WB2RUZ
> > _______________________________________________
> > Self Supporting Towers, Wireless Weather Stations, see web site:
> http://www.mscomputer.com
> > Call 888-333-9041 to place your order, mention you saw this ad and
> take an
> additional 5 percent off
> > any weather station price.
> > _______________________________________________
> > Towertalk mailing list
> > Towertalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> 
> 



Jeffrey C. Brown
Technology Solutions for Business, Inc.
330-416-8728 Cell
440-393-0949 Pager
815-371-1208 eFax