[TowerTalk] Single tower and 3 monoband yagis - "Christmas three"

[n8de at thepoint.net]

I agree with Joe, W4TV, but, would add the comment:

PUT THE 20M monobander on TOP of the stack .. that is .. invert it,  
with the 10m on the BOTTOM.

73
Don
N8DE



Quoting "Joe Subich, W4TV" <lists at subich.com>:

>
> Unless the monobanders have been designed to operate in a stack
> ("Christmas tree"), stacking them as closely as will be needed to
> stay within your 5m mast will certainly reduce their performance.
>
> If the monobanders have been optimized to work in a stack, use the
> spacing for which they were designed.
>
> 73,
>
>    ... Joe, W4TV
>
>
> On 2014-12-11 9:16 AM, Fuad Arnautovic wrote:
>> Hi all
>>
>> I need advice from some more experienced with stacking about possible setup.
>>
>> Have self-standing tower abt 18 mtr, mast 50 mm (2") 5-6 metres long
>>
>> Antennas are three monoband yagis as follows
>>
>> 20m 4el 9,5m boom
>> 15m 5el 9,6m boom
>> 10m 5el 7,6m boom
>>
>> Does it "Christmas tree" setup working well with this monobanders?   
>> What is your recommendation for vertical spacing between? Does 2"   
>> mast is strong enough to support all them.
>>
>> I would install lowest antenna for 20m then 15m and on the top 10m
>>
>> I know that is compromise against performance and radiation   
>> pattern, but actually cannot install another tower
>>
>> Please help
>>
>> Thanks in advance
>> Fudo, E73CQ
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