All About End Fed Antennas, Field Day Educational Activity - Ham Radio Q&A

Joe, KD9CJX and Jerry W9GLG give a presentation on end fed antennas at the Wisconsin Valley Radio Association's 2021 ARRL Field Day. This was the group's educational activity for Field Day. Become a patron! Unlock exclusive content at: https://www.patreon.com/kb9vbrantennas Support Ham Radio Q&A by shopping at Amazon: http://amzn.to/2kO6LH7 Read my blog: http://www.jpole-antenna.com Timestamp 00:00 Introduction 01:25 What is an end fed antenna 05:02 Why end fed antennas require impedance matching 07:40 Half Wave End Fed Antennas 08:12 Random wire end fed antennas 09:58 Advantages of random wire end fed antennas 11:05 Are counterpoises necessary? 13:47 Describing the matching transformer (UNUN) for a random wire antenna 15:43 Wire length's importance to a random wire antenna 17:03 Efficiency can be affected with wire length vs transformer size 18:50 Combating coaxial radiation (ugly baluns or chokes) 20:41 Questions 25:23 Ending Colophon: Camera https://amzn.to/2GV2Og1 Lens https://amzn.to/2GWC5zU Wireless Microphone: https://amzn.to/2qt3vDc Microphone: https://amzn.to/30lJheO Music by license: http://www.premiumbeats.com As an Amazon Associate, I earn from qualifying purchases #EndFedAntenna #EFHW #FD2021 #ARRLFieldDay #Antennas #TechnicalDiscussion #Hamradio #amateurradio