Build a random wire end fed antenna and make amazing contacts.
Michael takes us through the design, construction, and testing of this versatile HF antenna. This design suitable for both at home and "in the field operations."
If you can't see the video, please insert this title URL into your browsers 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:
• Amazing! We built...
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...
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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:
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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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Aloha es 73 de Russ (KH6JRM).