One QST article from back in the 80's suggested sloping up from about 8-10',
which was a comfortable place to work at, then a 45* angle to 20' and then
horizontal.
Perhaps someone has the details handy.
Carl
KM1H
----- Original Message -----
From: "Jerry Keller (K3BZ)" <k3bz@verizon.net>
To: "(REFLECTOR) Topband" <topband@contesting.com>
Sent: Thursday, November 10, 2011 7:17 PM
Subject: Re: Topband: Easy Inverted L for 169 (NCJ M/A 2011) Info Needed
> 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
>> >>
>> >>
>> >> -----
>> >> No virus found in this message.
>> >> Checked by AVG - www.avg.com <http://www.avg.com>
>> >> Version: 10.0.1411 / Virus Database: 2092/4005 - Release Date:
>> >> 11/08/11
>> >>
>> >
>> > _______________________________________________
>> > 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
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 10.0.1411 / Virus Database: 2092/4008 - Release Date: 11/10/11
>
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
|