Oi! Down here, Santa! |
For the most part, this seems to be driven by Auroral Es, especially clearly seen in the dead of winter at 14MHz.
Searching for some research in this field, I came across the very well-written and eye-wateringly expensive The High Latitude Ionosphere and Its Effects on Radio Propagation. Though now quite old, it's nevertheless a rare source of information on this niche subject, making copious references to the heady days of nuclear weapons research done in the 1960s.
I always have a queue of radio things to buy, so this one will have to await kind donations at Christmas, I think!
2 comments:
Have chapter 4 for you to already read:
http://www.cosmic-rays.ru/books12/2016H&HChapter4.pdf
Have fun! 73, Bas
Thanks very much!
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