Re: LF: R: Proximity effect

["Dick Rollema" <d.w.rollema@freeler.nl>]

To Akl from PA0SE

Cesare wrote:

>    
> Hello Dick
>     I've noted the great difference
> between the values reported by Mesny and those appearing in the graph you
> have sent. I think the difference may be explained as follows: the graph
> refers to two wires, where the magnetic field is rarefied only in the
> sides facing each other. In the case of a single layer coil, except the
> first and the last turn, the magnetic field is rarefied in both sides of
> each wire, so reducing further on the useful area and consequently
> increasing the  RF resistance. Any comment welcome  73 
> Cesare
>  
> Cesare Tagliabue   I 5 TGC
> WW-Loc  JN53PS
> e-mail: cestag@dada.it
> url:
> http://www.dadacasa.com/i5tgc

You could well be right. But I don't feel qualified to judge.

73, Dick, PA0SE