I wrote:
> James R Wait
> 'A study of VLF field strength data both old and new'
> Pure and applied physics, vol 41 sept 1958 pp73-85
Sorry, that should have been Pure and applied geophysics,
(volume price $110, single articles a mere $34! I can
get copies through the British Library but it takes
weeks).
Piotr wrote:
> I will also try to program these formulae
It's a challenge - those Legendre functions with complex
parameters... there's an expression involving hypergeometric
functions and some code for that in 'Numerical Recipes in C',
either that or (very!) carefully transcribe/port the code in
the paper's appendix.
I think I will stay with the simple formula - too many other
things to do!
Thank you for the additional references Piotr. I miss the
days when I had access to a university library, and the Internet
is useless here.
PS, I have a large backlog of email - apologies to those I
haven't responded to yet...
--
Paul Nicholson
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