2017-06-11, 13:42
(2017-04-30, 20:50)GAVNO Wrote: Sort of hard to find... but a must is Robert Helliwell's WHISTLERS AND RELATED IONOSPHERIC PHENOMENON (Stanford University Press, 1965).
This is THE bible of any sort of understanding of natural VLF radio phenomenon.
https://ia600301.us.archive.org/25/items...nomena.pdf
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