Re: NEC-LIST:helical ant. modeling

Trevor Marshall wrote:
> The approximation I have seen most often used is that the modelled
> equivalent radius of the strip equals one quarter of the width of the
> strip. This is not a theoretically rigorous answer, but it should get you
> reasonable results.

O. Einarsson "The WQire" in Electromagnetic and Acoustic
Scattering by Simple Shapes (J. Bowman, T Senior, P Uslenghi, eds),
Amsterdam: North-Holland Publishing Company 1969:

r = w/4

cheers
juergen

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