Those considering stacking might check out Tennadyne's Antenna Fact's #5
Multiple Antennas on the Same Mast. A good techincal basis that winds up
about where you would guess you should want to be.
Gene / W2LU
----- Original Message -----
From: "Mike" <noddy1211@sbcglobal.net>
To: <towertalk@contesting.com>
Sent: Tuesday, February 08, 2011 11:27 AM
Subject: Re: [TowerTalk] [SteppIR] 80 mtr dipole spacing above Steppir
> And I worry about having a 3 element Steppir and 7 element 6 meter beam 10
> feet over the top of a 70 foot crank up. Which at that height I figure is
> equal to the 17 square feet that the LM-470 is supposed to handle: -)
>
> Mike
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Al Williams
>
>
> That is a lot of antennas on a crankup--what model. how long has it been
> up,
>
> and what windy condx?
>
> I have lm470 with only a monstir with no long mast.
>
> k7puc
>
>
>
> ----- Original Message -----
> From: "Daniel Domondon" <domondon@inter.net>
> Sent: Tuesday, February 08, 2011 2:43 AM
>> I have a 72 ft self supporting crank up tower with 20 foot of mast
>> protruding from the top of the tower. A Cushcraft 2 el 40m beam (shorty
>> forty)
>> is just above the base of the tower at 73 feet. A Create 80 meter dipole
>> is mounted 9.5 feet above
>> it (at 82 feet) On the very top of the mast is a SteppIR 4el (20m-6m -
>> 32
>
>> foor boom) at 92 feet.
>> This means that the 80m dipole is mounted about in the middle of the two
>> beams.
>
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