The G5RV is an easy-to-build 80-10 dipole requiring no traps. All bands are covered, including 30, 17, and 12. The G5RV has high SWR, by design, on most bands and a tuner is required. Unlike most dipoles, the “basic” design is not a 1/2 wave, but instead a 3/2 wave dipole on 20 meters. A…

via Homebrew G5RV All Bander — IW5EDI Simone – Ham-Radio