If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=VfhrMqZAlmg.
If you want an inexpensive, easy-to-build 20 meter vertical antenna for portable or emergency use, then this homebrew vertical designed by Denis (VE3BF) may be what you need.
Denis takes you step-by-step through the design, building, and testing phase of this remarkably simple antenna. Denis also supplies a list of materials which can be used to make this "field operations" antenna.
Here's what you'll need to make this antenna:
An 8-foot/2.43 meters fence rail.
A TV roof top tripod.
A 1/2 in/1.27 cm to 3/4 in/1.905 cm diameter galvanized conduit pipe.
A 6 in X 9 in/15.24 cm X 22.86 cm cedar board.
4 pipe saddle clamps.
2 hose clamps.
One 108 in/274.32 cm stainless steel whip.
LDG RU-4:1 balun.
75 feet/2.86 meters of #14 AWG wire.
Have fun with this simple, sturdy 20 meter vertical antenna.
Thanks for joining us today.
Aloha es 73 de Russ (KH6JRM).