Re: [IRCA] KAZ versus Pennant/Flag

[Neil Kazaross <neilkaz58@xxxxxxxxx>]

Thx Mark, can't wait to see what you found. I hope you were still able to
crush KSTP 1500 in back null while still having good nulls elsewhere with a
fixed Vactrol setting using 170 ft.

73 KAZ

On Tue, Oct 23, 2018 at 11:26 AM Mark Durenberger <Mark4@xxxxxxxxxxxxxxx>
wrote:

> I'll be publishing work on the comparison between a 140-foot and a
> 170-foot DKAZ, data taken this summer.
>
>
> Cheers!
>
> Mark Durenberger
>
> -----Original Message-----
> From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> On Behalf Of Neil Kazaross
> Sent: Tuesday, October 23, 2018 10:38 AM
> To: irca@xxxxxxxxxxxxxxxx
> Subject: Re: [IRCA] KAZ versus Pennant/Flag
>
> A major advantage of the DKAZ is the significantly wider back null so that
> more back end QRM is taken out or greatly reduced. Of course, the more
> narrow beamwidth is very useful on crowded freqs and one reason I am able
> to catch 2nd tier stations from west coast states here in IL.
>
> Yeah, the don't have a ton of signal pickup at the low end, but logging 2CR
> 549 here in IL on Oct. 1 using only a 120 ft DKAZ should indicate a usable
> antenna. Of course I amplify with the FLG100LN. Maybe sometime some DXer
> with enough land will compare a 200ft+ DKAZ on the low end vs a more
> typical size.
>
> The problem with going huge is that high end F/B starts to suffer and the
> beam also becomes wider in the upper part of the band. The DKAZ is a
> compromise antenna and really not intended to cover a 3:1 bandwidth as well
> as some of us would like. But the patterns and the DX I can log using it
> put the single loop genre of antennas to shame at least here in IL.
>
> Again I will stress amplification for any of the guys here considering
> trying to squeeze in a smaller DKAZ.  73 KAZ
>
> On Mon, Oct 22, 2018 at 10:49 PM Chuck Hutton <charlesh3@xxxxxxx> wrote:
>
> > So I think we think alike - the DKAZ is narrower (front and back) than
> > a flag.
> >
> > A DKAZ is much more of a pain to put up, but in the end size pays off
> > for those that appreciate the better antenna. (except at the bottom of
> > the band)
> >
> >
> > Chuck
> >
> >
> > ________________________________
> > From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Nick
> > Hall-Patch < nhp@xxxxxxxx>
> > Sent: Monday, October 22, 2018 8:19 PM
> > To: Mailing list for the International Radio Club of America
> > Subject: Re: [IRCA] KAZ versus Pennant/Flag
> >
> > Try this, Chuck (or anyone else who is having problems):
> >
> >
> > http://www3.telus.net/public/shallpat/4all/Antenna%20alternatives_stub
> > -re-FlagDKaz.pdf
> >
> > As the file name says, it's just the relevant
> > slides of the presentation.   Pages 10, 11 and 12
> > are repeated pages with more detail, just like the presentation, but
> > makes for strange reading.
> >
> >
> >
> >
> > Nick
> >
> >
> > At 01:47 2018-10-23, Chuck Hutton wrote:
> > >Nick:
> > >
> > >
> > >I tried to open the file with PowerPoint 2017 but got a string of
> > >error messages about missing dll's.
> > >
> > >
> > >Any chance of a 1 paragraph summary? (Sorry to sound like management)
> > >
> > >
> > >Chuck
> > >
> > >
> > >
> > >
> > >________________________________
> > >From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Nick
> > >Hall-Patch <nhp@xxxxxxxx>
> > >Sent: Monday, October 22, 2018 5:39 PM
> > >To: Mailing list for the International Radio Club of America; C B
> > >Subject: Re: [IRCA] KAZ versus Pennant/Flag
> > >
> > >
> > >
> > >Not wishing to blow the personal horn, but please check out:
> > >
> > >http://durenberger.com/documents/NHP2016.pptx
> > >The DXFishbarrel -
> > >durenberger.com<http://durenberger.com/documents/NHP2016.pptx>
> > >durenberger.com
> > >Antenna Alternatives -- really? Is a
> > >non-resonant terminated loop an alternative to a DKaz? All
> > >non-resonant terminated loops give much the same depth of nulls to
> > >stations off the back end of the antenna..
> > >
> > >
> > >
> > >
> > >starting at slide 34, for a comparison of the DKaz with a Flag at
> > >Grayland. (presentation from the 2016 IRCA convention)
> > >
> > >Unless you have Quicktime on the computer you're using, you may not
> > >be able to play slide 37, but it's not radically important to the
> > >overall comparison.
> > >
> > >best wishes,
> > >
> > >Nick
> > >
> > >
> > > >Begging pardon if Iâm speaking out of turn - my FLAGS (45 x 27â)
> > > >with WELLBROOK FLG100 heads have plenty of performance
> > -
> > > >
> > > >One problem with âbiggerâ in the urban environment is â youâre
> > > >amplifying noise along with siignals.
> > > >
> > > >I wonder what is gained with a KAZ or DKAZ on city lots...
> > >
> > >Colin Newell - Victoria - B.C. CANADA - At 23:14 2018-10-22, R. Colin
> > >Newell wrote:
> > >
> > > >Begging pardon if Iâm speaking out of turn - my FLAGS (45 x 27â)
> > > >with WELLBROOK FLG100 heads have plenty of performance
> > -
> > > >
> > > >One problem with âbiggerâ in the urban environment is â youâre
> > > >amplifying noise along with siignals.
> > > >
> > > >I wonder what is gained with a KAZ or DKAZ on city lots...
> > > >
> > > >Colin Newell - Victoria - B.C. CANADA -
> > >
> > >  > On Oct 22, 2018, at 3:45 PM, C B <bevdxer@xxxxxxxxx> wrote:
> > >  >
> > >  > Kaz,
> > >  > Thanks for taking the time to elaborate. I am trying to think
> > >outside of the box and see if I might be able to cram a 100 to 112
> > >ft. DKAZ into the southern boundary of my city residential lot.
> > >Any longer and it would have to be anchored in the street. I doubt
> > >the city would appreciate that approach.
> > >  > 73,
> > >  >
> > >  >
> > >  > To Post a message: irca@xxxxxxxxxxxxxxxx
> > >  >
> > >_______________________________________________
> > >
> > >Nick Hall-Patch
> > >Victoria, BC
> > >Canada
> > >_______________________________________________
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> > Nick Hall-Patch
> > Victoria, BC
> > Canada
> >
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