Alan Melia-G3NYK and Steve Nichols-G0KYA wrote a series of feature articles for the RSGB magazine, RADCOM, these articles have now been put together into an ebook, which is available as a free download at:
http://www.infotechcomms.co.uk/Understanding_LF_and_HF_propagation.pdf
The ebook explains to the reader the propagation modes behind each band and explaining some of the technicalities of ionospheric propagation It looks at the at the D, E and F layers, Sporadic E, the MUF/LUF, using solar data, propagation programs, NVIS and much more.
These two amateurs have managed to persuade the RSGB to allow me to put them together into a single document, which is now freely available for amateurs worldwide to download.
This is an excellent resource for hams, of all experience levels. Well done to these two guys for making this happen!
Good morning Bill, ARRL also have a very good coarse on propagation as well. I took it about 4 years ago. It was very helpful and it demystified propagation for me.
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