[TowerTalk] 40 mtr dipole spacing above tribander

[Robert Harmon]

Gene,
Thats good to hear.  With no noticeable interaction at 11 foot spacing and elements parallel, I may be able to
space closer with the dipole oriented parallel to the C3 boom. Theres hope for me yet, hi,hi.
Thanks Gene.

73,
Bob
K6UJ


On Feb 5, 2011, at 10:48 PM, Gene Smar wrote:

> Bob:
> 
>    FWIW:  I have my D40 about 11 feet above my Skyhawk which is eerily similar in design to the open sleeve feeds of F12 Yagis.  The elements of both antennas are parallel with no adverse effects, i.e., odd-behaving SWR curves on either antenna.
> 
> 
> 73 de
> Gene Smar  AD3F
> 
> 
> ----- Original Message ----- From: "Robert Harmon" <k6uj at pacbell.net>
> To: "towertalk reflector" <towertalk at contesting.com>
> Sent: Sunday, February 06, 2011 1:14 AM
> Subject: [TowerTalk] 40 mtr dipole spacing above tribander
> 
> 
>> 
>> I have been looking though the archives
>> in tower talk for info and haven't found anything as yet about my spacing question.
>> I also emailed Force 12 but haven't received a response yet.
>> I have a Force 12 C3 and just acquired a used Cushcraft D40 rotatable dipole for 40 meters.
>> I want to mount the 40 meter dipole above the C3 on the same mast.  I would like to know
>> the minimum spacing to avoid interaction and also if I should orient the dipole so it is
>> parallel with the boom of the C3.  Anyone have experience with spacing the same or similar
>> antennas ?
>> 
>> thanks,
>> Bob
>> K6UJ
>> 
>> 
>> 
>> 
>> 
>> 
>> 
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>