fat dipole 40m

Coaxial-Cable Trap Dipole  ^{updated  pop} - An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters

Rotatable Dipoles  ^pop - Portable, and shortened with loading coils rotatable dipoles for 6 meters, 20 meters and multibands.

G5RV Louis Varney - Photographs and QSL of Louis Varney father of G5RV antenna

The Multi-Band Fan Dipole - How to build a multi-band dipole antenna with a single coax feed. Instructions for a 160M antenna that will fit in the space that a 75M dipole will with almost as good of results as a full size 160M dipole!

Crossed-Wire HF Antenna - This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH

NB6Zep Antenna and more - A modified EDZep for 20 meters, Yagi, Zepp Beam, Dual Dipole, Space Restricted 80 meter wires. Operating Bands: 40 thru 10 meters with tuner

Center-Loaded Off-Center-Fed Dipole - 6 band - Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m by ON4AA

Portable Rabbit-Ears Dipole Antenna - This handy and cheap portable dipole can be folded and backpacked, carried in use, and adjusted to a very wide range of frequencies by KV5R

Antennas for SW Broadcasters - All antennas for shortwave broadcasting, Log-periodic, Dipole Arrays, Curtains antennas, rhombics, broadband dipoles with photos and details.

A simple Wi-Fi Yagi - Add two parasitic elements to the sleeve dipole of a Netgear Router

Folded Dipole  ^pop - All about folded dipoles, a variation of the dipole is an antenna called a folded dipole. It radiates like a dipole but sort of looks like a squashed quad.

Alfa Tango HQ - Official AT Web Site, based in Italy

AT Indonesia - AT Indonesia division web site

AT Brasil Priority listing - Official AT web site Brasil

AT SÊo Paulo Team - 3AT1000 SÊo Paulo DX Team Brasil

AT DX news - Alfa Tango DX searchable database

Omiss - OM International sideband society incorporated nets 75M, 40M, and 20M Nets begin one hour earlier during Daylight Savings Time

Mosley Electronics  ^pop - Wide variety of multi-frequency Yagis, Verticals, and Dipoles as well as other single and multi-frequency configurations to meet specific requirements.

Barker & Williamson - Dipole antennas, unique broadband antennas, trap dipole antennas, coils, accessories for HF radio

The Ventenna - Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.

Hy Gain  ^pop - HF UHF/VHFAntennas, dipoles, accessories and rotators

Antenna Maker  ^{updated  pop} - Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more.

40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components

40 meter 100 watt Transmitter - 40 meter transmitter by K9GDT

40 meter CW/SSB Receiver - The K9GDT 40m receiver