[TowerTalk] 40 and 20 at 15 ft apart

Mike Fatchett W0MU w0mu at w0mu.com
Mon Aug 29 07:41:12 PDT 2011


I have run XM240's and 40-2CD's above my C3, TH7, SteppIR, 204BA and 
have never noticed any interaction on 20m.  My stack distances have run 
between 10 and 15 ft.

On 8/28/2011 5:13 PM, "Felipe J. Hernández" wrote:
> 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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