Thread: AmateurLogic: Ham College 74 - Extra Class Exam Questions - Part 12
View Single Post
  #1   Report Post  
Old February 28th 21, 05:55 AM posted to rec.radio.amateur.misc,rec.radio.amateur.equipment,rec.radio.amateur.homebrew,aus.radio.amateur.misc,rec.radio.info
AmateurLogic.TV via rec.radio.info Admin AmateurLogic.TV via rec.radio.info Admin is offline
external usenet poster
  
First recorded activity by RadioBanter: Feb 2013
Posts: 112
Default AmateurLogic: Ham College 74 - Extra Class Exam Questions - Part 12

AmateurLogic.TV

///////////////////////////////////////////
Ham College 74 - Extra Class Exam Questions - Part 12

Posted: 27 Feb 2021 02:00 AM PST
http://www.amateurlogic.tv/transmitt...eo/hc74_hd.mp4

E3A Electromagnetic waves: Earth-Moon-Earth communications, meteor scatter,
microwave tropospheric and scatter propagation, aurora propagation,
ionospheric propagation changes over the day, circular polarization.
55:43
This posting includes a media file:
http://www.amateurlogic.tv/transmitt...eo/hc74_hd.mp4

Reply With QuoteReply With Quote