>
>
> ...
> I have seen an antenna like that in the books. The coax runs up through
> the bottom section with the shield turning inside out and turns
> downward. The inner conductor continues to
> quarter wave to complete the half wave dipole.
> ...
>

That brings back memories of a balun that achieved it's dark magic by such
means.
Garbling something like 'coaxial balun' may produce an example

Garblinges ...

Lots of fodder here
https://www.google.co.nz/search?q=3Dcoaxial+balun&tbm=3Disch&tbo=3Du&source=
=3Duniv&sa=3DX&ei=3DTFSQU66gIouXkwX734CYBA&sqi=3D2&ved=3D0CCAQsAQ&biw=3D192=
0&bih=3D1032
Any of these look like what you have?

A few possible starters:

http://www.aeroelectric.com/articles/BALUN/Balun_Fabrication.html

http://www.iv3sbe.webfundis.net/html/BALUN.htm
http://www.qsl.net/iz7ath/web/02_brew/11_balun/pag01_eng.htm


          Russell
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