LF: Re: RE: Helical antennas

["g3ldo" <g3ldo@ukonline.co.uk>]

Hi Andy,


> The normal mode helix was covered in some detail in a 1974 (!!) edition
> of Radio Communication with a set of empirically determined equations
> for calculating resonance and winding dimensions.  Seem to remember it
> was by the famous D A Tong, but I may be mixing it up with another
> article.    I found the equations to be a good starting point from which
> to fine tune helials for HF.   Used to have a copy of that RadCom, and
> it may still be lying on a shelf somewhere.
I haven't been able to find this article - if you can find any more info I
would be grateful.

Regards,
Peter, G3LDO

e-mail <g3ldo@ukonline.co.uk>

Web <http://web.ukonline.co.uk/g3ldo>