balun 1:4 doubble core

Coax Balun - A very simple coax balun

IZ7ATH Projects  ^pop - Antennas, Keyer, amplifier, transverter, baluns

Baluns: theory and projects  ^pop - All about baluns with photos, projects and instructions, by IZ7ATH

GW0VMR construction ideas  ^pop - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory

Magnetic Longwire Baluns  ^pop - Do these things do exactly what they say they do, or are they total hogwash? - Patrick lifts the lid on the MLB

K9AY loop - K9AY is a loop developed in the early 1990's by American radio amateur Gary Breed

The Carpet loop indoor antenna  ^pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.

T2FD The Forgotten Antenna  ^pop - "Some have called the T2FD a ""squashed rhombic"" antenna. It does bear some design similarities to the non resonant rhombic, but theoretically it is admittedly inferior. However, the T2FD performs well in a modest amount of space."

The Philco Repair Bench - Everything the antique Philco radio collector and restorer needs.

ARRL contest branch - ARRL contest calendar, scores, Forms and rules

Contest scores by dxwatch.com Priority listing - A searchable database containing user submitted scores for most contests. Information gathered from 3830 mailing list

DL1IAO Stefan - HF Radio Contesting and personal information: Latest scores, station tour, DL contest records and large photo section, maps and software

The National Contest Journal - The National Contest Journal, published bimonthly by ARRL, features articles by top contesters, letters, hints, statistics, scores, NA Sprint and QSO Parties

W3MF John - General information page including contest scores, station pictures

The WireMan - Your source for coax, connectors, wire, baluns, and other certified quality wireman products.

Radioworks - Source for high performance wire antennas, Current-type Baluns, Line Isolators, quality wire antenna parts and accessories.

Antennas & More  ^pop - Radio Amateur Antennas, Solar power, Antennas West products, Ham Radio gear, G5RV, Windom, Baluns, Wire, and Coax

Centaur Electronics, Inc. - Baluns for amateur and commercial radio.

Palomar Engineers - RFI Kit, ferrite cores, baluns, loop antennas, antenna tuners and various accessories

Palstar - Receivers, Antenna Tuners and accessories, antenna analyzers, dummy loads, wattmeters, shortwave radio receivers, baluns, filters

Balun Designs LLC - Balun Designs wind high quality baluns and ununs for Amateur Radio and commercial applications based on the researched and tested designs of Dr. Jerry Sevick, W2FMI.

Andrews Communications Systems - Australian dealer, HF linear amplifiers, power supplies, baluns, HF UHF yagis and verticals including multiband HF verticals.

QSLfactory.com - inkjet and printed custom colour QSLs

Audiocoreder - Audiocorder is a VOX program which allows your Macintosh to act as an audio recorder

Toroid Pro - Designed by microwave engineers to provide filter, radio,microwave and Ham radio engineers with all relevant information of an inductor and core at his or her finger tips