[TowerTalk] 40 and 20 at 15 ft apart

[GALE STEWARD]

Chuck is correct. A 40 and a 15 on the same tower/mast will definitely NOT work.  We tried it once at W3GM's station. The 40M yagi worked fine but the 15 was pretty much useless due to the severe interaction.


73, Stew K3ND




________________________________
From: Chuck <w5pr at swbell.net>
To: ""Felipe J. Hernández"" <fhdez at vpnet.net>; towertalk at contesting.com
Sent: Monday, August 29, 2011 4:32 PM
Subject: Re: [TowerTalk] 40 and 20 at 15 ft apart

I think 40 and 15 on the same tower is the problem.

Chuck W5PR

----- Original Message ----- 
From: ""Felipe J. Hernández"" <fhdez at vpnet.net>
To: <towertalk at contesting.com>
Sent: Sunday, August 28, 2011 6:13 PM
Subject: [TowerTalk] 40 and 20 at 15 ft apart


> Guys,
>
> Theres a great  benefit from turning the antennas 90 deg off.
> but Ive heard that, when you have a 40 and a 20 on the same tower, the
> interaction
> is never dissipated by the 90 deg offset.
>
> Is that true?
>
> Thinking of setting up a xm240 with a 3 or 4 el force 20 mtr monobander
> abt 15 ft apart..
>
> Thanks
>
> Felipe
> NP4Z
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