May elevated radials be horizontal? May they slope upward? Or must they
slope downward? If so, how much of a slope is needed?
Jerry K3BZ
-----Original Message-----
From: W0MU Mike Fatchett
Sent: Wednesday, November 09, 2011 5:26 PM
To: Michael Goins
Cc: ZR ; topband@contesting.com
Subject: Re: Topband: Easy Inverted L for 169 (NCJ M/A 2011) Info Needed
High enough so people can't touch it would be my answer.
Mike W0MU
J6M CQ WW DX CW Contest 2011
J6/W0MU November 21 - December 1 2011
W0MU-1 CC Cluster w0mu.net
On 11/9/2011 11:48 AM, Michael Goins wrote:
> How high off the ground does the feed point need to be on 160 to be
> considered elevated enough to use tuned radials? I have the space -
> nine acres - but deer are an issue with radials.
>
> Mike, k5wmg
>
>
>
>
> On Wednesday, November 9, 2011, ZR <zr@jeremy.mv.com
> <mailto:zr@jeremy.mv.com>> wrote:
> > Installing a dense radial field in the first 50' is the most
> important step
> > for a small lot. Galvanized and plastic dipped rabbit fence works
> wonders
> > for that. Solder wires to the ends to extend the radial field
> however you
> > can.
> >
> > Carl
> > KM1H
> >
> >
> > ----- Original Message -----
> > From: "W0MU Mike Fatchett" <w0mu@w0mu.com <mailto:w0mu@w0mu.com>>
> > To: <topband@contesting.com <mailto:topband@contesting.com>>
> > Sent: Tuesday, November 08, 2011 1:57 PM
> > Subject: Re: Topband: Easy Inverted L for 169 (NCJ M/A 2011) Info Needed
> >
> >
> >> If the feedpoint is elevated you should have 4 tuned radials. If it is
> >> ground mounted it needs radial field just like a vertical. 32 is a
> >> decent number more is better of course. They don't have to be 1/4
> >> either to work.
> >>
> >> The current balun or choke is best at the feedpoint but some will also
> >> put one at the radio.
> >>
> >> Mike W0MU
> >>
> >> J6M CQ WW DX CW Contest 2011
> >> J6/W0MU November 21 - December 1 2011
> >> W0MU-1 CC Cluster w0mu.net <http://w0mu.net>
> >>
> >>
> >> On 11/7/2011 9:30 AM, Mark Adams wrote:
> >>> Hi Gang,
> >>>
> >>> I am planning to try this antenna for the winter and need more
> >>> information.
> >>> The author, NE0U, seems to have no known email address that I can
> find so
> >>> here goes.
> >>>
> >>> 1. I assume that the vertical radiator and the ground radial
> are both
> >>> the SAME length. Correct?
> >>> 2. The sketch on page 20 shows the Ferrite Current Balun a the
> >>> feedpoint, but the text of the article has it at the transmitter.
> >>> Which is
> >>> correct? Does it matter?
> >>>
> >>> Yes, I could goof around with these two items, but I'd rather just
> put it
> >>> up and dink around only if necessary.
> >>>
> >>> Thanks es 73,
> >>> Mark K2QO
> >>> K2 #543
> >>> FN03ra
> >>> _______________________________________________
> >>> UR RST IS ... ... ..9 QSB QSB - hw? BK
> >> _______________________________________________
> >> UR RST IS ... ... ..9 QSB QSB - hw? BK
> >>
> >>
> >> -----
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> >
> > _______________________________________________
> > UR RST IS ... ... ..9 QSB QSB - hw? BK
> >
>
> --
> Michael Goins
> Professor, Writing
> University of Texas at San Antonio
>
> Michael Goins
> 2508 Timbercreek Road
> Pipe Creek, Texas 78063
>
> Michael Goins, Owner/Editor
> Natural Awakenings-San Antonio/Hill Country magazine
> Currently distributing 20,000+ magazines in 450+ locations here with
> an online edition that gets emailed across the globe!
>
> Mike
> "The writer hides his crazy. It's like a little secret present inside
> filled with bees." - Chuck Wendig
>
> Mike
> "Writing is art. Editing is science. All of it together is craft." -
> Chuck Wendig
> /
>
> *
> *
>
> *
> *
>
> /
>
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
|