Marconi had first done it back in 1901. For amateurs, crossing the Atlantic was the next natural challenge—they had been thinking about it since before the war. Many in the scientific community were skeptical that such a feat could possibly be achieved at such a short wavelength as 200 meters, especially with power as low as one kilowatt. An early rumor that American signals had been received in Europe appeared in the press in December 1920.1 The new record, the … Continue reading →