All About End Fed Antennas, Field Day Educational Activity - Ham Radio Q&A
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Published 2021-07-22
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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
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#EndFedAntenna #EFHW #FD2021 #ARRLFieldDay #Antennas #TechnicalDiscussion #Hamradio #amateurradio
All Comments (21)
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:) ... I put up an 80/10 end fed half wave with lots of dog legs to fit in my small back yard. It is a forgiving antenna, and exceeds my expectations.
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Thanks, Mike, Joe, and Jerry. As a 70 yr old (only an operator for 6 years), I'm a big fan of EFHW. I have a 102 foot sloper, and a 132 foot in a inverted V configuration. Your video taught me a a lot this evening. And Mike, the 2 meter J-Pole you sold me a few years ago is still performing superbly. 73s "The JJ" KC3EWY
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I haven't gotten a ham license, know very very little about ham in general, and am mainly interested in learning for emergency situations. The information in this video is priceless. Thank you for sharing!
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Great discussion on end fed wire antennas, this is the only antenna I use at my home qth for simplicity and ease of installation, and on occasion portable, great job, Michael!
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Thank you for all the information, what a great exchange with regards to End Fed, & Di Pole antennas! Impedance & Practical use of Wire, Frequency, Measurement & Voltage! Stellar discussion! = ]
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Thanks Michael, I have been using an end fed random wire now for about 8 years with great success. Thanks for the video. 73, VK3GEK
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well, I took some notes and surely will try a few ideas. Thanks for explaining it so clearly ! !
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Amazing β¦. The very best EFHW Antenna explanation I have ever seen!!! Thank you very much π
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Thank you very much for posting this training/class. It wasbvery helpful and I appreciate it.
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Excellent video! Thanks for making it, guys! Very much appreciated!
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This video helped me make sense of dipole and end fed antennas more than any other resource. It was something about the content or sequence of the content that made it click for me. As far as I'm concerned, antennas are magic juju and this video dispelled some of that. Thanks for helping.
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This video was really good for me and clarified a few questions. Good Job!!!
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awesome! finally understood EFHA , long wire , etc
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Thank you! I learned a ton! Encouraged now that I can put up something decent on my small lot.
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Great stuff. Learned a bunch.
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Thanks for clearing that up. Half or random.
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Thanks for sharing this really interesting information
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Great presentation πππ
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Great stuff, thanks Mike!
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Nice gravel bike Michael! I love my endfed!
