Here's a thought:
1. Choose which of the three you like best.
2. Trade or sell the two others for one more like the one you like.
3. Stack those two antennas, one at 30' and the other at 60'.
- 60' just isn't tall enough for stacking all three at, say, 20'
to be very much worth doing. Stacking just two should work as well
I'm not sure I understood it, but it sounded like you were saying you might
put them all at the same height, but pointed in 3 directions. I doubt that
would work well. Being that close there would be lots of interaction; each
would be distorting the pattern of each of the others, and it would be
cumbersome mechanically, at best, anyway.
- Alternative, take the tower up to, say, 90' and then you could stack 3
antennas 30' apart each.
73 - Rich, KE3Q
----- Original Message -----
From: "doc" <firstname.lastname@example.org>
Sent: Saturday, October 09, 2004 8:19 PM
Subject: [TowerTalk] Three Fixed Tri-Band Beams on One Tower?
> I seem to have collected three Tri-Band HF beams.
> They are generic trapped beams, e.g. Mosley, HyGain,
> and Cushcraft.
> I am considering mounting them all on my Rohn 25 tower
> eliminating the need for a rotator. (I will also
> have a couple of doublet wire antennas, a vertical,
> a sloper, and a long-wire to supplement the beams.)
> I could either mount them back-to-back on the three
> opposite faces of the tower, offset far enough so
> that there is at least 8-10 inches of separation
> between the tips of the reflector elements, OR
> I could stack them on the mast separated enough to
> try and minimize interaction.
> The tower is likely to be approx. 60 feet.
> (I understand that the back-to-back method would
> require extra supports for the beam masts from
> above and below.)
> Any experience on the list with either of these
> Thanks! & 73, doc kd4e
> West Central Florida 100% Linux. Suse 9.1
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> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
> TowerTalk mailing list
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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