[Elecraft] Re:Ufer Ground question

J F phriendly1 at yahoo.com
Thu Jul 14 14:07:53 EDT 2005


Thanks for the feedback Dave!

It's an interesting topic, and as you say some are
luckier than others, with lightning and ground
conductivity.

Hope you find a nice 10 acre lot, on the edge of a
nice salt flat (or with an ocean view). I'm laying out
80M radials this summer. The K2 and I have a title to
defend now.

Cheers,
Julius
n2wn
k2/100 #3311

--- "David F. Reed" <davereed at w5sv.org> wrote:

> Julius,
> 
> good question...
> 
> J F wrote:
> 
> >Hi Dave,
> >
> >Just out of curiousity, did you consider the tower
> >base safe after that experience, from a mechanical
> >standpoint?
> >  
> >
> At first no. not until it was surveyed my a licensed
> mechanical and 
> electrical engineer team; they used some sort of
> fancy equipment to see 
> what was up; it was only damaged at the site that I
> described, and had 
> no structural issues according to them.
> 
> I admit, I was plenty worried about what I couldn't
> see, but they had 
> something like sonar or radar (I don't recall if it
> was RF or sonic, but 
> it saw reflections from surface interfaces, and was
> quite clear.
> 
> >What you describe for your system seems like a lot
> >more than a 10' length of wire set in concrete.
> >
> It is indeed far far more than 10' of wire set in
> concrete, which I 
> would hardly call a Ufer ground.
> 
> > We have this type of construction in our facility
> and as
> >you say it is expensive and requires proper
> >installation (sadly, that can be an iffy
> proposition).
> >We haven't had any lightning strike issues for a
> large
> >installation on the highest point of the county.
> >  
> >
> Some people are luckier than others, and some areas
> get more lightning 
> storms than others; we are not far from some famous
> tornado alleys, so 
> we have plenty of them.
> 
> >73,
> >Julius
> >n2wn
> >  
> >
> 73 de Dave, W5SV
> 
> -- 
> David F. Reed  - W5SV -     cell: 512 585-1057
> 
> 



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