air wound balun

Baluns: What they do and how they do it - Article on Baluns and how they works, by W7EL

Errante's virtual ground balun - Errante's virtual ground Balun, a state-of-the-art high power HF balun family.

A 9:1 Balun - How to DIY a 9:1 balun in french

N5ESE's 1:1 Current Balun - classic 1:1 current balun

Homebew RF chocke - RF Choke to prevent hf currents on the feedline

Third Bay Radios - Third Bay Radios specialize in Antique Radio sale and repair.

The Old Radio Shop - Old Radio Shop repairs and restores all types of vintage Tube , Hueytown, Alabama

Castles On The Air – Russia - COTA-RUSSIA Award

OE5REO - Austrian Amateur Radio Station - Homepage of OE5REO, APRS, SOTA, Summits on the air, Online Log, Geocaching, Free Radio and portable operations

DaveMade.Mobi Priority listing - DaveMade Accessories, Sales,Service,Repairs

Tecom - Tecom industries product line encompasses a wide range of highly sensitive active and passive antennas for use in airborne and ground applications, providing complete coverage of the 20 MHz to 40 GHz frequency range.

RDF Antennas - This site serves a community of volunteer and paid professionals in Search & Rescue and Civil Air Patrol who save lives and Amateur Radio enthusiasts who use DF skills as a hobby. We provide antennas and other resources for people in these fields.

VHF Sniffer MK4 - Two-meter and aircraft band receiver specifically designed for RDF on foot, sold by Bryan Ackerly VK3YNG

Airmobile with APRS - VHF Aircraft APRS aeronautical mobile Amateur Ham Radio info by K0RNS

Balloon Lift with Lighter than Air Gases - balloon buoyancy, balloon materials, and antenna construction materials.

The TS-850S Repair Page - This page is dedicated to helping 850 owners keep their radios on the air

TK5EP Kenwood TS-850 page - Documentation, modifications , repairing and addons for the kenwood TS-850

FT9000 - ModsAndRepairs Forum at eHam.net - eHam discussion about FT-9000 modifications

Chushcraft A3S - Simple Balun Support - A method for supporting a balun on a Chushcraft A3S antenna. This allows the balun to be isolated from the boom, thus reducing the effect of introduction of reaction with the balun core.

Military Air Scanners - Military Air scanning and receivers. Choosing the best one

Train's Towers - Maintenance of Antenna Tower Systems, Antenna tower foundation analysis and repair, Tower troubleshooting and repairing

Atlantic Tower Services - Atlantic Tower offer site maintenance, repair, modification, upgrade and installation services based in Orlando FL

Scott Tower Services - Tower erection service, modifications, replacement, repairing service

Mid America Tower Service - Specialized in antenna tower erection, inspections, maintenance, excavating, planning, repair and site mapping.

Abra Electronics - ABRA Electronics is a trusted partner of thousands of OEMs, schools, hobbyists, repair shops and Government Organizations. We stock everything from electronic components to test instruments to educational kits.