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March 29th 21, 07:30 AM
posted to rec.radio.amateur.misc,rec.radio.amateur.equipment,rec.radio.amateur.homebrew,aus.radio.amateur.misc,rec.radio.info
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AmateurLogic: Ham College 75 - Extra Class Exam Questions - Part 13
AmateurLogic.TV /////////////////////////////////////////// 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 This posting includes a media file: http://www.amateurlogic.tv/transmitt...eo/hc75_hd.mp4 |
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