This is my high performance 1/4 wave antenna that I made for 20 meters. It is big in size , and in performance.

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Video as seen on BBC about Morse Code, sometimes called CW.

Colorado climb many of Colorado\'s 14000-foot mountains to set up amateur radio stations in an effort to communicate with other radio amateurs across the state and around the world every second Sunday in August. This video is about N0B\'s adventure up Mt Humboldt (14065ft)...

From the 2009 Dayton Hamvention, broadcast engineer Robert Curry, KC3VO demonstrates his home brew portable low band station. More Hamvention audio at www.twair.org ... Dayton Hamvention KC3VO W9WSW

Clip of 80m high rotaiting antena on the train platform. HF large antena for broadcast Radio station from 3Mhz to 30Mhz installation on the train platforn to rotating antenna pattern. Very impressive.

The 211 Transmitting Tube is a high-power vacuum tube. Because of the power this tube requires general tube testers are not able t The 211 Transmitting Tube is a high-power vacuum tube. Because of the power this tube requires general tube testers are not able to interrogate this tube. I have...

Réception d'une station radio amateur "SV9GPV" sur un vieux poste de 1970 sur le 20m. Le 20.04.2009 à 18:15 Local (Suisse)

Celebrating the 100th anniversary of voice over radio communications. http://www.arrl.org

This video shows my commercial Hex-Beam Amateur Radio antenna mounted on a 15-meter military surplus telescoping mast ...