20m beam

The G4ZU Spider Beam or Skypper - This 3 elements wire Yagi comes along in a great variety of names. On the 11 meter is calle Skypper due to the manufacturer Alex 1SD019 On Ham bands is called Spider beam or G4ZU.

VK2ABQ Mini-Beam - A compact beam antenna that can be built At home, construction details for the 20M (14Mhz) version

2 Meter Beam Antenna - E-Z Multi-Element 2 Meter Beam Antenna

The VHF Quad Beam Antenna - Homebrew a 4-element VHF adjustable antenna built entirely of wood by ka1fsb

VE7CA portable tribander yagi - 30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna

2 elements YAGI for field day operation - A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day operations

The ZigZag Vertical Beam - Six metre enthusiasts might like to experiment with this ‘Zig-Zag’ four-element vertical for lofts. Brian Williams, GW0GHF

UHF 11 elements beam antenna - An eleven elements yagi antenna for 430-450 Mhz by PU1LHP In portuguese

2 elements U Beam for 80 meters - An U Beam antenna for 80 meters band by ik2egl

A Wire Beam Design for 80 meters - by Dave Robbins, KY1H

The GM3VLB 5 Band mini delta beam - HF multiband mini delta compact and easy assembling antenna that cover from 20 to 10 meters by GM3VLB

HEX-BEAM Yahoo Group - Discuss here about hex-beam antennas

Homebrew 6 Band Hexbeam - Article on homebrewing antenna by N0VRP

Homebrewed Hexbeam by PG3N - PG3N peter documents how to build an homemade hexbeam antenna

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

JJ6 Antenna - Beam antenna for 14-18-21-24-28-50 Mhz by G4ZU in french

Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.

Building the G3TXQ Hex Beam - This site provides guidelines to build a G3TXQ broad band hex beam R.F. antenna for the five amateur radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ broad band hex beam is a new development and actually easier to build than the classic hexbeam by K4KIO

7db tape measure yagi beam for RDF - A 3 element yagi beam antenna made with a tape measure. This design exhibits a very clean pattern and is perfect for RDF use.

How to make an HB9CV - A two meter version of the HB9CV beam antenna at G3VRE

3 Element Yagi using Hamsticks - A 3 element minibeam yagi using hamstick for 20 meters band

Yagi-Uda Antenna Priority listing - The Yagi-Uda antenna, information on basic design, project and measure of Yagi-Uda antenna, include free repository/sample of beam antenna.

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

Beam DX - BEAM_DX is a free software for radioamateurs or radio listeners usage. It allows to point a directionnal antenna towards an azimuth, a locator, an international prefix or any other geographical position on earth predefined by its latitude and its longitude by F1ORL

DXFile - Windows shareware logging program, offer several features like packet radio interface, web cluster, grid square, beaming directions, qsl manager lookup, dx spot filtering by F6GQK in french.