Dear All,
Those of you still seeking details of FIDO may like to know that there is a detailed account (mainly from the meteorological point of view) by Dick Ogden in the Proceedings of the first Conference on “Meteorology And World War II” held under the auspices of the Royal Met Soc at the Dept of Geog, Birmingham University on 25 Oct 1986. The Procs are at ISBN 0 948090 05 7 (pp 66-77 – at A5 size). With an ISBN number your local library may be able to find a copy!
If anybody needs any further info – or even transcriptions – then I can do some.
HTH
Resmoroh