EROUN 007 on Instagram: "A radio enthusiast used a homemade Yagi antenna and an amateur (HAM) radio to successfully communicate with an astronaut atop the International Space Station. This remarkable accomplishment was made possible by carefully watching the station's orbit and tuning into its transmission frequency during a brief period when it passed overhead. HAM radio allows licensed people to speak with the ISS at predetermined intervals, which is commonly utilised for educational outreach