[TowerTalk] SuperBerth.com 15m yagi manual / info

[Joe Subich, W4TV]

I suspect the Superbertha yagis were copies of the NW3Z OWA designs
from Dayton many years ago.  Here is but one link ... including the
6 element 15 meter on a 36' boom:

<https://www.iw5edi.com/wp-content/uploads/2020/05/nw3z-Antenna-Designs.pdf> 


73,

    ... Joe, W4TV


On 2025-11-01 10:41 AM, Jim Rhodes wrote:
> W3TX  started the company, but had it for sale at one time due to other
> issue taking up his time.  I don't know if it was purchased or if he just
> folded it up.
> 
> Jim K0XU
> jim at rhodesend.net
> 
> On Sat, Nov 1, 2025, 08:36 <john at kk9a.com> wrote:
> 
>> Superbertha Yagis were probably designed by WA3FET,perhaps K3LR was
>> involved.  I would reach out to them.  NR5M used some Superbertha Yagis on
>> his super-station that seems to be inactive lately.  Perhaps George has a
>> manual for that model.
>>
>> If it was me, I would just model one using your hardware.  YU7EF and G0KSC
>> have some good OWA designs to start with.
>>
>> GL
>> John KK9A
>>
>>
>> from [George Fremin III K5TR wrote:
>>
>> A few years ago I acquired two what I am pretty sure are 15MOWA-36 yagi
>> that
>>
>> were made by W3TX at SuperBertha.com.  I have not been able to reach W3TX
>> or
>>
>> find any information about spacing / element length etc.
>>
>> I can, of course, make measurements and put what I have into EZNEC and
>> redesign
>> these antennas but before I do that I figured I would see if anyone has a
>> manual or information about these antennas.
>>
>> There are snapshots of the web site on the WayBackMachine but no info
>> beyond
>>
>> the above model number.
>>
>> Thanks
>>
>> George Fremin III
>> K5TR
>>
>>