[Boatanchors] new Ground system

[Joe Foley]

Yup!

There's that nail hit squarely on the head!!

Joe






--- Glen Zook <gzook@yahoo.com> wrote:
> Having been employed with duties including being the
> "grounding expert" for a very large utility
> company's
> communications systems (two-way radio, microwave,
> telephone, data, etc.) for over 10 years (the
> company
> includes gas, electric, and telephone for over half
> of
> the State of Texas and many international companies
> as
> well), I "discovered" that there is only one
> definite
> "thing" when "grounding experts" get together:  If
> you
> have one expert then you have one idea as how to
> ground.  If you have two experts, then you have four
> ideas how to ground.  If you have three experts,
> then
> you have nine ideas as how to ground.  If you have
> four experts, then you have sixteen ideas as how to
> ground.  The number of "ideas" is exponential to the
> number of "experts"!
> 
> I often do presentations to various groups including
> amateur radio clubs on the subjects of lightning
> protection and r.f. grounding.  Also, last summer I
> made a presentation at one of the Collin County
> Community College campuses that was taped and then
> converted to video disk for distribution to other
> colleges and universities around the country.
> 
> There are different approaches to both subjects, and
> I
> cover both in my presentations.  There are
> definitely
> things that work other than what I recommend.  But,
> what I recommend does definitely work!
> 
> For example, I live 1/2 block from the highest point
> in the city.  My top antenna on my "main" tower is
> 67
> feet above ground and the "lay of the land" is such
> that in all directions except straight west, the
> land
> is "falling" away from me.  I am about 15 feet below
> the highest point according to the topo maps, which
> puts my top antenna 52 feet above the highest point.
> 
> My "main" tower went up in early May 1972 and has
> NEVER been hit by lightning.  The house across the
> street has lost 3 trees and a chimney to lightning. 
> The "pole pig" (electric company transformer) at the
> back corner of my lot has been hit by lightning.  It
> is about 50 feet from my tower and about 40 feet
> below
> the top of my antenna.  Other strikes have occured
> around my neighborhood including other amateur
> towers.
> 
> I operate on all bands from 160 meters through 432
> MHz
> running up to 1400 watts output (my linear just
> won't
> really do the legal maximum!).  My wife can watch
> any
> of 3 televisions in my house at any time.  My
> neighbors have never complained of TVI.  I have
> heard
> "through the grapevine" that one fairly new neighbor
> did install a "wireless" baby monitor and that they
> can occasionally hear me on, but I have never had a
> complaint.
> 
> There is another amateur who lives about 4 blocks
> from
> me who has all sorts of TVI, RFI, etc. problems who
> does not believe in proper grounding, etc.  Frankly,
> he is not "popular"!  On the other hand, I have been
> told by several neighbors that if I ever move that I
> have to leave my tower!  It seems that they use it
> as
> a "landmark" when telling people how to find their
> houses!  You can see my tower and that of K5CQ (who
> lives 2 blocks straight north of me the "short" way)
> from the main freeway about a mile away.  His tower
> is
> 25 feet taller than mine, but my tower "looks"
> slightly higher from the freeway since K5CQ's house
> is
> "down the hill" from me.
> 
> Anyway, as I said before, the number of "grounding
> ideas" is exponential to the number of persons
> participating in the discussion!
> 
> Glen, K9STH
> 
> 
> --- "Duane Fischer, W8DBF" <dfischer@usol.com>
> wrote:
> 
> It shall never cease to amaze me, the volume of 
> responses any question regarding a station ground
> system invariably generates!
> 
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