[TowerTalk] multiple antennas on same tower

Stan Stockton wa5rtg at gmail.com
Mon Feb 24 18:20:18 EST 2014


Big problems with that, Jorge.  Even if 90 degrees off and I think you
won't be positioning them that far off (more like 70 degrees or so?) with
only 6 feet of separation (your example used two feet but even with 6 feet)
your SWR will likely be higher than you want to see, you will lose gain and
the patterns will be disturbed.

Stan, K5GO


On Mon, Feb 24, 2014 at 3:40 PM, Jorge Diez - CX6VM
<cx6vm.jorge at gmail.com>wrote:

> Hello
>
>
>
> Thinking on fixed antennas to avoid rotor problems, I have a
> question/doubt.
>
>
>
> if I have a stack of 3 antennas (15 mts monobanders) on the same tower, how
> worst will be to add a second stack of 3 antennas on the same tower at 6 ft
> of separation each one?
>
>
>
> For example, a stack fixed to Europe at 50/100/150 ft. Then I add a stack
> fixed to USA at 48/98/148
>
>
>
> This is possible or will damage the performance?
>
>
>
> Will use any combination, each stack at a given time for quick switch
> between Europe and USA and also will want to use both stacks at the same
> time
>
>
>
> Thanks,
>
> Jorge
>
> CX6VM/CW5W
>
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