Topband: A Good research article on D layer absorption observing seasonal changes

[Bob Kile <midnight18@cox.net>]

It's a long read but provides a great peek into MF propagation 
throughout the year. There is a very large resource of information and 
links to them at NOAA website.
No warranty expressed or implied. :)

https://acp.copernicus.org/articles/23/10823/2023/

73

Bob W7RH


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