This article shows how I have made a mains filter that is extremely effective in reducing and in some cases eliminating completely EMC from the electricity supplying my shack.
Simple workshop technique that shows how to straighten Microbore copper tube using basic workshop tools
This post shows a technique I’ve used to straighten 10mm Microbore copper tube and forms one of a series of video’s I’ve made to show how I’ve constructed my Quadrifiliar Helix antenna or QFH as it’s more commonly known.
Welcome to the weird world of numbers stations
Known to exist since World War I, numbers stations are believed to have been used or still being used, for transmission of coded messages to intelligence officers operating in foreign countries.