HAM RADIO: 20 metres - Simple DX antenna. Quarter wave vertical.
23:25
20m Vertical DX Antenna - Simple To Build And Amazing Performance
8:56
Ham Radio - A Simple Antenna For Great DX By The Coast.
18:06
HAM RADIO DUAL BAND 20m/40m Vertical Antenna You Can Build.
17:54
Ham Radio: Easy Portable / Small Space Vertical DX Antenna. The Rybakov Antenna
15:50
Building an HF Vertical 1/4 Wavelength Monopole
22:14
INVERTED V HF DX ANTENNA - From a Back Yard
15:47
Tuning an End Fed Half Wave for POTA
9:08