Build a random wire end fed antenna and make amazing contacts.


Michael Martens (KB9VBR) does an excellent job of describing the theory, construction practices, and use of random wire end fed antennas.

If you can't see the video, please insert this title URL into your browser search box:

https://www.youtube.com/watch?v=D_-aNzrIXWs

Here are some comments from Michael (KB9VBR):

Can a non resonant antenna be efficient? It sure can. I show you how to build a non resonant random wire antenna with a 9:1 transformer. FT-140 43 mix Ferrite Toroid: https://www.mouser.com/ProductDetail/... Toroid Core FT140-43 Ferrite: https://amzn.to/3WKPApC 18ga Enameled Magnet Wire: https://amzn.to/3WFhSBX 4 in. x 4 in. x 2 in. PVC Junction Box - Gray: https://www.homedepot.com/p/Carlon-4-... Homebrew Antenna Challenge: https://youtu.be/wqKuttdHV8o Random Wire end fed antenna resources: https://toroids.info/FT140-43.php https://sprott.physics.wisc.edu/techn... https://udel.edu/~mm/ham/randomWire/ https://m0ukd.com/homebrew/baluns-and... Like what you see? You can leave me a tip: https://www.paypal.me/kb9vbr KB9VBR VHF/UHF Antennas: http://www.jpole-antenna.com 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 Timestamp 00:00 Introduction 00:33 End Fed Antennas 01:22 Random wire antennas: long wire or end fed Zepp 03:11 Wire Lengths are important 04:09 Ferrite cores and wire 06:55 Building the 9:1 transformer 09:28 Installing the antenna 11:05 Testing and making contacts 15:12 Advantages and Disadvantages of non resonant antennas My Parks on the Air setup: Transceiver: https://amzn.to/3lmHoei Battery: https://amzn.to/3xBGgbv Tuner: https://amzn.to/2ZCNM9l Folding Table: https://amzn.to/3xFIp5Z Throw Weight: https://amzn.to/32QW2nB Video Production Equipment: Camera https://amzn.to/32UaXNX Lens https://amzn.to/31mmDrX Wireless Microphone: https://amzn.to/3xFVBb4 Microphone: https://amzn.to/3daoAdq GoPro: https://amzn.to/3pkmP30 Music by license: http://www.premiumbeats.com http://www.soundstripe.com As an Amazon Associate, I earn from qualifying purchases Contact Information: Questions, comments, or business inquiries may be directed to kb9vbr@jpole-antenna.com. If you wish for your product to be featured on my channel, please contact me. #hamradio #amateurradio #hamradiohowto #antenna #antennaproject #nonresonantantenna #randomwireantenna #endfedantenna #efhw #endfedhalfwave #balun #unun #9to1transformer

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Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).

 

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