Amateur Radio Emergency Preparedness Demonstration January 2008 assisting Red Cross and Jefferson Co DES/WMD. HF station setup in less than 10 minutes. Capabilities included HF, VHF, satellite and digital modes, completely self contained and off the grid ...

Leo and his guest talk about the early days of radio and the basics of the electronics of the era.

G4MLY (located Beledere, London) as received in south east Essex

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...

100 Degree Field Day - Spend the day with Jackson Amateur Radio Club and see how they approached Field Day 2009 in the heat of Summer. Meanwhile its Winter for Peter in Australia with a very interesting demonstration of early Mechanical Television. Plus viewer email and lots of fun.

Simple, commonplace and vital to our electronic world - take a closer look at the current-fighting backbone of circuitry, the resistor! more Make presents: The LED http://www.youtube.com/watch?v=P3PDLsJQcGI The Capacitor - http://www.youtube.com/watch?v=ZYH9dGl4gUE audio & video by Collin...