Thursday, January 31, 2008

Hand Made Tubes

Have you ever seen a triode vacuum tube made by hand? Visit this web page and scroll down to the 17 minute video of the process.

On a related theme, you might like the hand made cathode ray tubes shown here. A short video of one in operation is shown here.

Monday, January 14, 2008

Storm Spotters in Missouri

WA0SAP advised that this article discusses the storm spotting activities of radio amateurs near Springfield, MO during the January tornado outbreak. The article is titled "Risking all to warn others".