At that time there already was a web of do-it-yourselfers who built or bought their own radio transmitters and receivers and talked night and day by voice or by Morse code all over the globe. It was in effect the first Internet. With less electricity than it takes to power a lightbulb, I could talk to people around the world. I asked Mr. Carver how I could be part of it. He told me that all I needed to do was pass what was then a rather difficult examination. In those days the exam began with a series
