If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=VfhrMqZAlmg This is post 2691 in a continuing series of simple ham radio antennas. Thanks to Dennis (VE3BF) for this ultra-simple, inexpensive 20 meter vertical antenna. This antenna can be used at your home station or in the "field" for portable operations. Here are some general comments from Dennis: Build an easy and inexpensive portable antenna for 20 meters and other bands. Parts used: 8 foot fence rail for the mast TV antenna roof tripod 1/2 or 3/4 inch diameter galvanized conduit pipe 6 x 9 inch cedar board 4 pipe sadle clamps 2 hose clamps 1 stainless steel 108 inch whip LDG RU-4:1 Unun 75 feet of 14 gauge wire 50 ohm coax Antenna calculator http://www.66pacific.com/calculators/ Thanks for joining us today. Aloha es 73 de Russ (KH6JRM).