My intro to Yagi-Uda arrays was the Ehrenspeck and Poehler paper in IEEE
pubs, circa 1959.
73,
geo - n4ua
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On Wed, Apr 1, 2026 at 2:03 PM Leeson via TowerTalk <
towertalk@contesting.com> wrote:
> For a detailed history, see for example "Yagi-Uda antenna,"
> https://www.academia.edu/24711173/Yagi_Uda_antenna
>
> There are many references linked in "Yagi-Uda antenna,"
> https://en.wikipedia.org/wiki/Yagi%E2%80%93Uda_antenna
>
> See also https://www.dxzone.com/the-true-story-of-yagi-antenna/
>
> I treasure my physical copy of the book, S. Uda and Y. Mushiake (1954).
> "Yagi-Uda Antenna," Sendai, Japan:,
> http://www.sm.rim.or.jp/~ymushiak/sub.yubook.htm
>
> From my 1992 book on Yagi design,
>
> https://www.dropbox.com/scl/fi/j7kkt63nyyh2pag0g9avj/Physical-Design-Of-Yagi-Antennas-D-B-Leeson-V2.pdf,
>
> pp. 1-3 and 1-4, linked at https://orcid.org/0000-0001-6570-6002:
>
> "Sec 1.5 Yagi-Uda. In his recently republished classic book on antenna
> design [7], John Kraus, W8JK, relates the early history of the Yagi-Uda
> antenna. Shintaro Uda, then an assistant professor, published a series
> of articles beginning in 1926 describing novel array antennas with
> parasitic reflector and directors [8]. Hidetsugu Yagi, professor of
> engineering and a recipient of a grant which supported the research done
> by Uda with Yagi's collaboration, toured the United States in 1928 to
> present talks on the antenna design in New York, Washington and Hartford.
>
> In his 1928 article on the parasitic antenna [9], Yagi noted that Uda
> had already published a number of papers on the antenna. Although Yagi
> apparently acknowledged that Uda's ingenuity was key to its development,
> the antenna has, since that time, been called a "Yagi." Although it
> seems impossible to reverse the practice of more than half a century, it
> is appropriate to note the role of Uda in the development of the antenna
> that is the subject of this book."
>
> I always cautioned my students to be sure to publish before their
> professor does, but also to be aware that prior publishing precludes
> patenting.
>
> Dave, W6NL/HC8L
>
> On 4/1/26 5:37 AM, john simmons wrote:
> > Thanks for your comment, Brian!
> >
> > Isn't it a shame that Uda, the fellow that did all the work, never gets
> > his name mentioned when we talk about that type of antenna. <sigh>
> >
> > -John
>
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