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[Towertalk] BEST TOWER HEIGHT OPTION: Single stack or 2 towers??

To: <towertalk@contesting.com>
Subject: [Towertalk] BEST TOWER HEIGHT OPTION: Single stack or 2 towers??
From: jperalta@tampabay.rr.com (Julio Peralta)
Date: Mon, 2 Sep 2002 16:43:21 -0400
Why do you say to put up to 10' of mast inside the tower. It seems to me to
be a waste of mast.

Julio
----- Original Message -----
From: <n4kg@juno.com>
To: <TOWERTALK@contesting.com>; <RLVZ@aol.com>
Sent: Monday, September 02, 2002 2:44 AM
Subject: Re: [Towertalk] BEST TOWER HEIGHT OPTION: Single stack or 2
towers??


> I favor the 2 Tower approach.  Then you could always add a
> third tribander at 40 ft on the 70 footer.  I would also suggest
> a STRONG 20 ft mast (8 - 10 ft inside the top section) and
> a 2L40 on top, or at least a 40M rotary dipole...or match
> the boom of the high TH7 as a 40M end loaded dipole.
>
> Tom N4KG
>
> On Sun, 1 Sep 2002 13:11:12 EDT RLVZ@aol.com writes:
> > Hi Guys & thanks Steve for Towertalk-
> >
> > We'd appreciate your thoughts.  Our new club station site is limited
> > to a
> > tower height of 70'.  We have two tower options we are considering.
> > Please
> > advise which of the 2 you like the best for overall stateside and DX
> > work.
> > Thanks for your assistance!
> >
> > OPTION 1: Single 70' tower with stacked Tribanders at 40 & 70'.
> > This option
> > would offer a 3rd take off angle when the Tribanders were fed in
> > phase and up
> > to 3dB gain.
> >
> > OPTION 2: Two towers, one at 40' and one at 70' each with a
> > Tribander.  The
> > towers would be separated by a distance of 100'.  This option would
> > give
> > easier flexability for rotating the Tribanders as each would be top
> > mounted
> > and the option of loading the 2 towers for various bands.  Some
> > con's: may
> > lose the 3 db gain from stacking, and could have possible
> > interaction between
> > the 2 towers at 100'?
> >
> > Our group is undecided which route would be the best way to go.  Any
> > idears?
> >
> > Thanks!
> > NO4S
> > _______________________________________________
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>
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> _______________________________________________
> Self Supporting Towers, Wireless Weather Stations, see web site:
http://www.mscomputer.com
> Call 888-333-9041 to place your order, mention you saw this ad and take an
additional 5 percent off
> any weather station price.
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