A one or two inch form and #12 wire.
On 7/30/12 12:23 PM, Jim Hoge wrote:
> Then what would you recommend for homebrewing a choke?
>
> Tnx,
> Jim W5QM
>
> ------------------------------------------------------------------------
> *From:* W2XJ <w2xj@nyc.rr.com>
> *To:* topband@contesting.com
> *Sent:* Monday, July 30, 2012 11:12 AM
> *Subject:* Re: Topband: elevated counterpoise and lightning
>
> True but they are pretty wimpy.
>
>
> On 7/30/12 12:10 PM, donovanf@starpower.net
> <mailto:donovanf@starpower.net> wrote:
> > Array Solutions (WX0B) sells static drain chokes at much lower cost
> than AM broadcast equipment suppliers.
> >
> > http://www.arraysolutions.com/Products/staticsurgecoils.htm
> >
> > Or you can easily wind your own.
> >
> > 73
> > Frank
> > W3LPL
> >
> > ---- Original message ----
> >> Date: Mon, 30 Jul 2012 11:49:09 -0400
> >> From: W2XJ <w2xj@nyc.rr.com <mailto:w2xj@nyc.rr.com>>
> >> Subject: Re: Topband: elevated counterpoise and lightning
> >> To: topband@contesting.com <mailto:topband@contesting.com>
> >>
> >> Static drain chokes and ground rods should be SOP. The chokes drain
> >> static build up which usually prevents direct hits. The chokes are
> >> available from various broadcast suppliers.
> >>
> >>
> >> On 7/30/12 11:40 AM, DAVID CUTHBERT wrote:
> >>> Bob, do you have ground rods for lightning?
> >>>
> >>> The stub should be ok for static discharge but not for near or direct
> >>> strikes.
> >>>
> >>> Dave WX7G
> >>> On Jul 29, 2012 7:04 PM, "Bob Kupps" <n6bk@yahoo.com
> <mailto:n6bk@yahoo.com>> wrote:
> >>>
> >>>> Hi in this thread I mentioned using a 1/4 wave shorted stub at
> the feed
> >>>> points of our 4 square for static drain. Since we want to farm
> the paddy
> >>>> land we will use a non-resonant counterpoise of 48 radials
> connected to a
> >>>> perimeter wire about 1.5m above the flooded ground. The only galvanic
> >>>> connection to earth would be back through the RG6 feed line to
> the center
> >>>> control box. So would adding an RF choke to the earth ground at
> the element
> >>>> base be a good idea in this case? Does anyone have any experience
> with the
> >>>> behavior of elevated radials in a lightning strike?
> >>>>
> >>>> 73 Bob HS0ZIA
> >>>> _______________________________________________
> >>>> UR RST IS ... ... ..9 QSB QSB - hw? BK
> >>>>
> >>> _______________________________________________
> >>> UR RST IS ... ... ..9 QSB QSB - hw? BK
> >>>
> >> _______________________________________________
> >> UR RST IS ... ... ..9 QSB QSB - hw? BK
> > _______________________________________________
> > UR RST IS ... ... ..9 QSB QSB - hw? BK
> >
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
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