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The original was posted on /r/todayilearned by /u/Engineeringbob on 2023-12-30 02:44:32.
Original Title: TIL that amateur radio operators are able to speak directly to astronauts on the international space station. Low power radio equipment and small antennas can be used to establish communications to the ISS, mostly taking place during their scheduled evening free time.
Yup yup, I’ve made a couple contacts through the repeater onboard the international space station to people across the US with a handheld radio. Neat stuff! Ham radio was my lockdown hobby 🤷