air wound balun

The 80M elevated wire vertical array - This 80M antenna is a pair of raised 1/4-wave verticals

Switchable Balun - A 1:1 to 4:1 switchable balun by N1LO

Some Aspects of the Balun Problem - Why all the mystery surrounding baluns ? To use or not to use baluns

Design & Performance of a Choke Balun - Design & Performance of a Choke Balun and Balanced Transmission Line by G4FGQ

1:6 Balun for HF - PD2HFE project of a 1:6 Balun for HF Bands using a T-200 toroid core

4:1 balun project - CVARC 4:1 Balun Project Kit by AE6YC

4:1 coax balun design - Online calculator for a 4 to 1 coax cable balun

Guanella 4:1 balun - This article reviews the proposition that a 4:1 current balun in the style of Guanella can be constructed with both pairs of windings sharing a common magnetic circuit.

Home-brew Antennas - Notes on homebrewing antennas by Chris G4CYA, from gamma matching, to phasing antennas, splitters and combiners, baluns and measuring techniques.

Yagi-16DBI for 2.4 GHz - Wifi yagi antenna with 16 Dbi (in French)

Linear Focus Parabolic Wifi Antenna - This antenna can be made in a couple of hours and involves a fair amount of measuring, cutting, bending, and bolting metal.

Open Channel - CB radio site for UK including repairs and much more

Ukrainian Lighthouses on the Air - Ukrainian Lighthouses Award official web-site

Northern California Ham Kids - The website for the Northern California Amateur Radio Kids Group.

Verdant - Designer and manufacture of Airborne Antenna & Radomes covering a range of applications. Products include vhf antenna ,uhf antenna,navigation antenna,comm antenna,blade antenna,vor/ils antenna ,L band antenna, direction finding antenna,DF antenna,vor,ils, IFF antenna on aircraft,aircraft antenna for airborne application.

Renair Antennae - Antenna Manufacturer of Base station antennas, Colinears, Yagis, Whips, Portable, Handheld, PCB and Embedded Antenna Modules

HamRadio Magazine - amateur rado magazine

Ten-Tec Jupiter 538 Repair - Low-pass filter relay and reverse polarity repair notes by VE7TK

Yaesu VX-7R hints and tips - Yaesu VX-7 Microphone Audio, Yaesu VX-7 Speaker Repair and the MH-209SMA antenna

Vetex - Radio Repair - Based in Virginia USA, offer repearing services for amateur radio equipment and related accessories

WSRotor - WSRotor v1 is a freeware windows talking rotator control program for the Prosistel CBOX Rotator Controller written for use of the visually impaired.

White Stick Log - White Stick Log Version 1 is an amateur logging program for the visually impaired. Based on Easilog it has slightly reduced facilities.

K7NWS 10 Meter Beacon Project - The K7NWS beacon is an entirely homebrew affair. The transmitter outputs approximately 1 watt at 28.265 MHz.

Repairing FT-101 - Repairing the YAESU Transceiver Model FT-101E.

A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing - Understanding and solving RF interference problems using ferrite