20m dipole

Half-Square antennas - This doubet antenna is a half wave dipole antenna easy to build, in french

Maria Maluca Antenna - This small beam fed with VHF ribbon line consists of a dipole and a director adjusted for the desired band by dl8ncr

20 meters moxon antenna by SM5JAB - SM5JAB first experiment of a HF moxon antenna working on 14 mhz

A double dipole for 14 and 21 MHz - A double dipole for the 20 and 15 meters band in french

14MHz Inverted Vee Dipole - Inverted vee dipole antenna for 20 meters band by VK1OD

20 meters rigid dipole - Rigid Dipoles by KØEMT by using PVC and Aluminium tubing

Trapped dipole for 40 80m - I0SJC trapped dipole for 40 and 80 meters, traps done with 170 turns 1 mm diam, on a 3.2 mm cilinder in Italian.

7 MHz Dipole at VK1ZKD - This article documents an unobtrusive antenna for operation on 7MHz, primarily for contacts with stations at up to 1000Km range.

PY1UNU dipole for 80 meters - A dipole with coils for 80 meters band in portuguese.

4Z5NY Antenn calculators - The formulas for a dipole and vertical, j-pole, double square, Yagi and EH antenna calculators

Double Bazooka Antenna performance - The Double Bazooka Dipole is a half wave dipole with an attempt at compensation of the reactance change that occurs around resonance for a half wave dipole.

Off Center Fed Dipole - A K2GXT project documentation of how to homebrew and setup an off-center fed dipole

Multidipole Antenna - This antenna is a group o dipoles, is a multiband and each dipole works on single band.

Horizontal Half-wave Dipole above a Counterpoise - All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise.

Log Periodic of Another Sort - A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range

Dualband 17m/20m Moxon - A moxon rectangle for 17 and 20 meters band by N3OX

ON3JT vertical multiband hf antenna - A simple and low cost multiband vertical hf antenna covering 5 bands (20m-10m) from an old CB antenna

Comparing HF Wire Antennas for NVIS - How to make the most of simple wire antennas. EZNEC help to compare the performance of a wire dipole antenna in various configurations

The Upright V Dipole - A small antenna for limited space / lanai use.

Horizontal Antennas above Real Ground - Antennas are influenced by the effect of the ground and by the type of conductors from which they are constructed. Effects of various types of grounds on a 1.825 MHz horizontal 0.5 wave dipole

YB9BWN Beacon - Homebrew crystal-based with IRF510 PA at 2W into a dipole

VU2IIA -Ham Radio & NOAA - Ham Radio & NOAA Apt Weather Satellite blog. All weather satellite NOAA APT images are decoded with homebrew receiver. Setup using homebrew Turnstile Cross Dipole antenna, P-3 500MHZ PC with WIN-XP & WXTOIMG program.

WebSDR on 20m, 40m and 80m  ^pop - On this page you can listen to and control a short-wave receiver located at the amateur radio club ETGD at the University of Twente. In contrast to other web-controlled receivers, this receiver can be tuned by multiple users simultaneously, thanks to the use of Software-Defined Radio

Anteny SP1BKS - Antenna manufacturer from Poland, produce dipole wire antennas, W3DZZ FD4 Windom and long wires, baluns, dealer for toroids and connectors managed by Leszek Mlynarczyk SP1BKS

Sandpiper Aerial Technology LTD - Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles