[TowerTalk] separation between 40m rotary dipole and 3 element beam

[N1BUG]

The answer is likely "it depends on the specific antennas involved".

Last year I placed an OptiBeam OB1-4030 about 9 feet above my TH11DX. I 
did not rotate it 90 degrees. The elements are parallel. I am sure there 
is some interaction but I cannot notice a change in pattern or SWR on 
any band.

Paul N1BUG


On 3/18/22 17:24, Don wrote:
> My TH7DXX is at 72 feet. When I had a 2 el 40 up 6 feet above it I 
> experienced no _discernible_ negative affect on either. Surely there was 
> some, but not noticeable.
> 
> Don W7WLL
> 
> On 3/18/2022 2:00 PM, George Dubovsky wrote:
>> You will almost certainly have to orient the 40 m dipole at 90 degrees to
>> the beam (parallel with the tri-bander boom) to avoid interaction with 15
>> meters. 5' separation is usually enough.
>>
>> 73,
>>
>> geo - n4ua
>>
>> On Fri, Mar 18, 2022 at 4:36 PM Jamie WW3S<ww3s at zoominternet.net>  wrote:
>>
>>> What would be an acceptable separation between a 40m rotary dipole and a
>>> 3 element beam? I can maybe go 8 ft, 7 for sure......I'm fairly certain
>>> there would be some interaction, but would it be that critical ?
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk at contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk