20 meter Vertical Antennas
20 m vertical antennas
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The J pole vertical for 14MHz is built from a fifty-foot TV push up mast by Mike Higgins, K6AER -
20m T-Monopole short vertical antenna for 20 meters by AA5TB -
The web page provides detailed information on a portable 10/20/40 meter vertical antenna designed for mobile operations, including modifications for 20 and 40 meters. It includes images and descriptions of the antenna setup in a car. The content is useful for amateur radio operators looking to enhance their mobile communication capabilities. -
A shortened 20m vertical antenna design made with 4Nec2 -
A 20 and 40 meter vertical on Autopilot by K6MHE PDF File -
20 meter wire j-pole for 14.2 MHz, a vertical, end-fed half wave antenna by N1LO -
This Field Day Vertical Antenna project is the result of many years of attending various field day sites and realizing that what was needed is a simple, easy to assemble vertical antenna. -
A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article -
This is a vertical multiband antenna made up of several aerial elements lambda/4 length, feeded with just a coaxial cable in French. -
A vertical Moxon with different feeding for the 20 meters -
a 20M quarter-wave vertical antenna with a 6m telescopic mast, 1:1 balun, and spiral-wound driven element. Designed for QRP at 14.285 MHz, the antenna’s performance exceeded expectations, delivering low SWR and surprisingly quiet reception. Initial testing yielded successful contacts with European stations and EC1KR, showcasing its effectiveness. Compact and easy to deploy, the antenna promises to be an excellent portable solution for future hilltop operations. -
Constructed in May 2008, this innovative 4m tall electrically full-size halfwave vertical dipole, tunable to multiple bands, offers HF coverage despite its space-saving design. Inspired by cost-effective DIY alternatives, the antenna design departs from conventional center-fed approaches, utilizing asymmetrical dimensions. Despite resonance challenges, the antenna's performance remains viable, boasting broad bandwidth and adaptability, as demonstrated through SWR measurements and EZNEC predictions. -
This article describes the details of the design, which can be easily scaled for just about any HF band. The antenna described in this article is for the 20 meters band.