Walt Smyth had two days to decide whether he could make a 7,600-mile trip to China. Naturally, he said yes. It was an odds-against development that the Venetian Isles resident had a chance to go in ...
A prior version of this story stated incorrectly that “the higher the frequency, the shorter the wavelength, and the farther signals can travel.” It has been corrected as follows: “Such shortwave ...
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