The DXZone.com Amateur Radio Internet Guide
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50 MHz F2 Propagation Mechanisms
Posted:
https://www.dxzone.com/dx34030/50-mh...echanisms.html
Propagation/Sporadic E
In order to understand, however imperfectly, when the band will open, it is
essential to have some understanding of why the band will open.
Article by J. R. Kennedy K6MIO/KH6, Gemini Observatory Hilo, Hawaii