A ham radio set can be had for a few hundred bucks. Perhaps that explains, in part, the appeal of having one of humankind's greatest scientific inventions communicate with Earth via technology that's more than 100 years old. But perhaps there's a simpler explanation for why astronauts and ham radio operators have been talking, and talking, for years. Full Story: https://phys.org/news/2020-12-earthlings-astronauts-chat-ham-radio.html