[TowerTalk] Looking for input on stacking

[OM7ZZ, Jozef Urban]

> Date: Sun, 02 Nov 2003 17:17:45 +0000
> From: "Rick Bullon" <kc5ajx at hotmail.com>
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Looking for input on stacking
> Message-ID: <BAY1-F127u0wXqkv4em0000ef03 at hotmail.com>
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>
> Hello Mike
> Stacking dissimilar antennas can be a problem,but it can be done Jay at
> Array Solutions tells how to do it on his web site it is under the tech
> notes section, but it involves using an oscilloscope to do it.
>
> I think that you have a bigger problem than stacking dissimilar antennas
in
> that 80' is now enough tower to stack 3 tri-banders you need at least 100'
> with about 35' to 40' between the antennas.
> If you had to do this with just 80' of tower I would try the KT36XA at 80'
> and the KT34XA at around 40' this are probably similar enough that they
> would work. Several hams have mixed Hygain TH-6 and TH-7 tri-banders and
> made them work, so I would think that the KT36 and KT34 would be workable.
>
> IMHO I don't think that you have room for the 10 meter beam no matter
where
> you put it it will be to close to the other tri-banders and interact with
> them. You either need 20ft more tower or another tower to mount the 10
meter
> beam.
> The ideaL way to do this with 100' of tower would be to mount the 10meter
> beam at 35' the KT34 at 70' and the KT36 at 100' or mount the 10 meter
beam
> on a separate 40ft tower and mount the KT34 and 36 on the 80ft at 40' and
> 80'
>
> The above info is based on what I have learned from this list I have no
> experience with the M2 antennas. I am still working on getting my stack of
> TH-6 tri banders on the air they are at 40' and 70' with a F-12 2el 40 at
> 80' all on 70' of rohn 25.
> I am sure there will be others on the list with more experience than me
who
> will give advice also but I'm sure that they will also tell you that 80'
is
> not enough to mount all 3 antennas
> 73
> Rick
> KC5AJX
>
>
> ----Original Message Follows----
> From: N9NUN at aol.com
> To: towertalk at contesting.com
> Subject: [TowerTalk] Looking for input on stacking
> Date: Sun, 2 Nov 2003 08:06:35 EST
>
> I'm in the process of putting my 80' tower back up.  I have 3 antennas I
> plan
> on using.  The first one is the KT36XA, KT34XA and a 10 meter 6 element
> monbander that was made from DX Engineering.  These antennas would feed
into
> a
> StackMatch from Array Solutions.  The top antenna would the only one that
> would
> rotate.  What height and which antenna would you recommend putting where?
I
> live in Wisconsin and enjoy the 10 meter contests.
>
> MIke

Hi Mike and Rick

I Agree with Rick You will need the higher antenna at 100'. At 20m band you
need very low angles (around 2-3 deg, look at the Voice of America study of
the angles) to have a best communication effect to EU. You can come near
this way.

73
Jozef OM7ZZ

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Jozef Urban, OM7ZZ
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