saint jean sur richelieu

Balun construction - problems with iron cores - Lots of information and measurements relating to HF baluns and transformers constructed using Iron Powder cores

ON3JT vertical multiband hf antenna - A simple and low cost multiband vertical hf antenna covering 5 bands (20m-10m) from an old CB antenna

Antenna Measurement Theory - Introduction to Antenna Measurement by orbit /fr pdf file

Antenna Measurements - The electrical characteristics of an antenna that are of interest to obtain by direct measurement are the frequency at which the antenna is tuned, the gain and radiation pattern

About broadband - What you gain and what you lose. While broadband and electrically small antennas may look attractive on the surface, they are by necessity compromises and usually don’t work as well as tuned antennas.

Measuring antenna gain - Practical ways to get accurate results by Wayne Overbeck, N6NB

Yagi-Uda Antenna Priority listing - The Yagi-Uda antenna, information on basic design, project and measure of Yagi-Uda antenna, include free repository/sample of beam antenna.

Antique radio repair - The Antique Radio Repair Center at For Your Listening Pleasure has been providing quality antique radioold zenith, zenith.gif repair and restorations for well over 20 years.

K4JDR 10 Meter Beacon - K4JDR /Beacon is a Uniden HR-2510 set up with a homebrew project case enclosure using a Com-Spec ID- 8 Identifier.

W7GDY TriCity Amatuer Radio Association - Emergency communication is the cornerstone of this organization with the development of operating teams to provide volunteer backup emergency communications support to the cities of Goodyear, Avondale, Litchfield Park and surrounding areas

Lapeer County Amateur Radio Association - Serving Lapeer County & Surrounding Communities in Michigan

N3TWT South Mountain Repeater Association - The South Mountain Repeater Association (SMRA) is a 501(c)(3) non-profit group of amateur radio operators dedicated to community service and emergency communications within Cumberland County and the surrounding area in Central Pennsylvania.

Port Ludlow Amateur Radio Club - A social club consisting of Amateur Radio Operators and interested persons who share interest in radio, pleasure marine and technical activities.

FMI - FMI provides superior solutions in the design and manufacture of frequency control devices including Voltage Controlled Temperature Compensated Crystal Oscillators (VCTCXO), voltage controlled crystal oscillator (VCXO), Temperature Compensated Crystal Oscillators (TCXO), crystal clock oscillators, high temperature oscillators, surface mount and crystal oscillator products, phase locked sources and more.

A D-ATV transmitter project - Build this simple and cheap 70 MHz Exciter and start to transmit Digital Television by Jean-François Fourcadier, F4DAY

Treasure Valley Near Space Program - Lighter, cheaper, higher. let's do launch!

So you want to learn morse code - Forget Frustration: Gain Valuable Morse Skills And Increase Your Amateur-Radio Pleasure by N1IRZ

OSCAR 11 - Designed and built by the University of Surrey's Spacecraft Engineering Research Group - UoSAT in the United Kingdom,

OSCAR-22 - UoSAT-OSCAR-22 is the most recent spacecraft in a series of Amateur Radio communications satellites designed and built by the Department of Electrical Engineering at the University of Surrey in Guildford, Surrey, England.

CTR Surplus - Ohio bases surplus dealer with ebay shop

Electronic Surplus - Vintage tubes, components, test equipment

Cascade Surplus Electronics - Online catalog for electronic components, parts, surplus, tubes, test equipment and more

GWM Radio - Stockists of new and surplus radio and general electronic equipment,accessories and components based in West Sussex UK

Building a dummy load - Building a Dummy Load and Measuring Power Accurately by Ken, K4EAA

Oil filled dummy load - This project will demonstrate how to build a dummy load, and measure power correctly by AI4JI