air core baluns

QRO baluns - Construct your own heavy-duty baluns capable of matching your amp’s output to various antennas.

Basic Balun Theory - Baluns are still a mystery to some radio amateurs and the only way to understand them is to learn what they are and how to use them.

Antenna Baluns - ON9CVD antenna baluns general informations.

Wire Baluns - Baluns done with coaxial feed-cable

Core Baluns - About core baluns, measurementes, basic theory and calculations

Coiled Choke Balun for HF - A very practical Balun for HF aerial work is the choke type. It reduces RFI to and from the feeder & at next to no cost or loss.

600:50 Ohm Baluns - Low-cost 600:50 Ohm Baluns by Andrew Corney ZL2BBJ

Baluns - by ON9CVD - The simple 1 : 1 balun is being know in a variety of constructions. A dedicated chapter seems appropriate

About baluns - General information about baluns, aspects of the balun problem

PVC Yagi antennas - techniques - Collection of different techniques to homebrew PVC yagi antennas, including elements assembling, baluns and chokes, radiator box tips and tricks by dk7zb

GAP Titan DX Repair - K6DQ GAP titan dx antenna repair

WY4Y Zebulon Contesting and Awards Club - The primary objective of ZCC is to promote Amateur Radio use by awarding members for achievements in the Awards section. Free membership and awards program. Scores and awards posted on our web site.

Amateur Radio Free and Clear - Amateur radio group of fair and balanced operators based in Kentucky having so much fun that it has to be illegal.

Women On The Air - Dedicated to active YL... YL IS !

Military Portable Auxiliary Power Units - Design, build and supply Military Diesel Operated Tactical generator sets, diesel generator sets, custom generators, auxiliary power units, portable power generators and tactical quiet generators used by the U.S. Navy and Air Force.

ASC Signal - Global manufacturer of Satellite Earth Station, Air Traffic Control Radar Antenna and High Frequency Antenna products for broadcast, government and enterprise satellite communication applications.

Anaren - Manufacturer for splitter and combiners, baluns, directional couplers hybrid couplers, modulators, mixers, phase discriminators, antenna feeds.

Cushcraft R7 repair and tests - F5DQK repairing and swr measurement tests of a Cushcraft R7 Antenna

AirNav RadarBox LIVE  ^updated - AirNav live. See live images from my AirNav Radar box here in Clacton on Sea, Essex. Also full setup details.

Gagacom - Amateur radio accessories dealer based in Wehrheim Germany, offer Antennas, baluns, filters, antenna tuners, dummy loads, swr wattmeters by Palstar

Vertex Standard Australia, NZ - Vertex standard has the radio communications solution you need and should demand. a global organization with over 50 years of proud history and experience our range spans the commercial, marine, airband and amateur markets.

Radio Caroline - World's most famous offshore radio station still on the air today

Coil Inductance Calculator - Approximate Air Coil Inductance Calculator

400 W RF Power amplifier for 144 MHz - G4DCV's 144MHz amplifier with a pair of GI-7b Russian triodes

Datasheet catalog - DatasheetCatalog.com is free an online datasheet source for electronic components and semiconductors from ST Sanyo KEC SONY Toshiba Motorola Texas Instruments, Panasonic, Microsemi, Maxim, Rohm, Fairchild, National Semiconductors and others