QRPGuys Portable 40/30/20m Tri-Band Vertical Antenna - QRPGuys
Amazon.com: Shark Antennas S-F20 Mono Band HF 20 Meter Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max : Electronics
20 Meter 5 Band Vertical by KL7JR
20m Ground Plane
An effective 10-20m DX antenna for deed restricted lots... - IW5EDI Simone - Ham-Radio
1/4 wavel 20 meter Veritcal - Martin's Site
Hy-Gain AV620 Patriot HF 23ft 6m-20m Vertical Antennas - AV-620 GigaParts.com
5/8 Wave vertical antennas for HF – Ernest Neijenhuis PA3HCM Homepage
An Optimized 20 Meter Vertical Collinear Antenna – Squash Practice
N3FJP's Amateur Radio Software
How To DIY A Shortened 20 thru 40 Meter Vertical For POTA - Mike's Tech Blog WB8ERJ
WiMo GP-3 3 Band Vertical, 10/15/20m
20m Vertical Dipole Antenna - Nashua Area Radio Society
A Performance Wire Vertical Antenna
My homebrew vertical multiband hf antenna | ON3JT
MA-5VA, Vert,Multiband,Indep 10,12,15,17,20m, 2 | MFJ Enterprises Inc
20 Meter Vertical Antenna
20 meter quarter-wave vertical antenna experiment | M0MCX - Amateur Radio - Ham Radio
AA5TB - 20m T-Monopole
Amazon.com: Xiegu VG4 24.6Ft High 4-Band Base Station Vertical Antenna, SO239 Connector, for HF Transceiver : Electronics
HW20V Grazioli : 1/2λ HF vertical half-wave antenna 20m 3 kW
PG1N's HAM Radio Site - 20m Projects - Vertical Antennas
