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
> > _______________________________________________
> > 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.
> > _______________________________________________
> > Towertalk mailing list
> > Towertalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
>
> ________________________________________________________________
> GET INTERNET ACCESS FROM JUNO!
> Juno offers FREE or PREMIUM Internet access for less!
> Join Juno today! For your FREE software, visit:
> http://dl.www.juno.com/get/web/.
> _______________________________________________
> 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.
> _______________________________________________
> Towertalk mailing list
> Towertalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
|