[TowerTalk] Optibeam Log Yagi

Steven Jobes w1dxh at aol.com
Tue Dec 30 11:24:21 EST 2025


 I would recommend that you take a look at the Tennadyne t-12, made here in USA and great support. I have had mine up for for over Ten Years and it has held up against New England weather no problem. It is a performer, 
73,Steve W1DXH
    On Tuesday, December 30, 2025 at 09:35:11 AM EST, Joe Subich, W4TV <lists at subich.com> wrote:   

 
The claimed gains are only about 1-1.5 dB higher than the
much smaller antennas like the XR-5, Navassa, Penta 10, etc.
with double the boom length and substantially higher wind
load.

I'm not sure the modest gain increase justify the mechanical
difficulties inherent with the much larger/heavier antenna.

73,

    ... Joe, W4TV


On 2025-12-30 1:01 AM, Tony wrote:
> All:
> 
> Anyone using one of Optibeam's "Log Yagi" antennas? The documentation states that they have several advantages over standard log-periodic designs — it also mentions enhanced performance above the calculated gain, which is attributed to the large radiation area of the antenna.
> 
> One of the models has a F/B of 35db which is pretty impressive for an HF antenna.
> See:  https://www.optibeam.net/index.php?article_id=136&clang=1
> Documentation: https://www.optibeam.net/files/logyagi_e.pdf
> 
> This might be a better choice compared to motorized multi-band antennas like the SteppIR which are no longer in production.
> 
> Tony
> 



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