4m 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

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

Four over Four for 144MHz - This article describes the 144MHz horizontally polarised antenna at VK1OD in November 2008. The antenna uses two identical four element arrays that were constructed around 1970

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.

GW8IZR - A simple 70MHz antenna - A simple way to make a four metre antenna

Dual band 6m/4m Yagi - This antenna was optimized with the goal to minimize any changes in 6jxx6 impedance/lobes. The result is a 7 el on 70 MHz with a little loss of gain comparing with the other monobands of the same lenght.

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.

Building HexBeam antenna - Pictures in this article show the progress of building HexBeam antenna by AJ4MW

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

G0FTD's experimental INDiX antenna - This antenna is meant to be hung indoors within a window frame for those who can't get an outdoor antenna erected. Plan include dimensions for 50mhz 70Mhz and 144Mhz

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

NCRG 10m Beacon - This beacon was originally a WIA (VK6 Division) owned unit, run by the Northern Corridor Radio Group TX on 28.264MHz.

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.

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

Acom 1000 70 Mhz modification - ACOM 1000 modification uses electric band switching, such that both 6m and 4m operation can be maintained.

Building of CU 4m Beacon CU8DUB/b - Beacon is based on a old 4m Storno CQF632 from PA who OZ2M got in Weinheim