AmateurLogic: Ham College 75 - Extra Class Exam Questions - Part 13
 

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Ham College 75 - Extra Class Exam Questions - Part 13

Posted: 27 Mar 2021 03:00 AM PDT
http://www.amateurlogic.tv/transmitt...eo/hc75_hd.mp4

E3B Transequatorial propagation, long-path, grayline, ordinary and
extraordinary waves, chordal hop, and sporadic E mechanisms.
55:06
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