5/8 Wave 10m Vertical Antenna Build


Thanks to the evolving Solar Cycle 25, DX contacts on the 10 meter Amateur Radio Band are becoming a daily event for radio amateurs around the world.

In this video from "ianxfs", we see how a commercially available CB antenna can be modified into a 5/8 wavelength vertical antenna for the 10 meter band.  This antenna should perform well with a few modifications.

If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=eboJV6rY4a4.

Here are a few comments from "ianxfs":

Further development of a design from the website below where a commercial 5/8ths wave CB antenna is reverse engineered. This enhanced model is tuned specifically for the 10m amateur band and also adopts a ferrite choke, which is an improved option over the air-wound choke which is also shown in the build. The parts for this simple DIY build probably already exist in your shack? If not, they come to about £5 for the air-wound choke model, or about £10 if you go for the ferrite choke model. A list of parts: Main Antenna = 3.5m RG58 coax + 3.25m of insulated wire Air-Wound Choke = 3.6m RG58 coax (or) 9 Turn Ferrite Choke = 73cm RG58 coax (+ the ferrite) - a 12 Turn on a 52 or 61 core will use a little more coax, say 1m in total. Matching Stub = 71cm Westflex 103 coax Original CB antenna article: https://radioaficion.com/cms/sirio-ga... G3TXQ chokes: http://www.karinya.net/g3txq/chokes/ (follow the links mid-page for detailed and updated analysis for specific ferrite types) This is one of many amateur/ham radio related videos on my channel. Please feel free to browse 👀, like 👍🏻 and subscribe 🔔 (it's free!), remembering to hit the bell so you’re notified of new videos as soon as they're published and you don't miss out. Part two of this 5/8 vertical series can be seen at:    • 10m 5/8th Vertical Antenna Field Trials   Here's a link to the Westflex-103 specs if you have trouble sourcing some: http://www.whwestlake.co.uk/westlake-... 0:00 Introduction 0:30 Theoretical Antenna Design 4:10 Practical Antenna Design 6:20 RF Choke Options 8:06 Antenna Build 11:02 Antenna Testing 12:29 Summing Up Thanks. Ian.

 Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).



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