5/8th Wave 10m Vertical Antenna Build

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.