Make Your Own Radio from Scoutlife.org In emergency situations, workers still rely heavily on ham radio to communicate. But how do we communicate using radio waves? In this activity, students learn how to build a radio to receive radio waves.
Purchase an ARISS Radio Kit Students use simple radio communications equipment to send messages to and from the ISS. For the radio, they use software running on a computer in a system called software-defined radio (SDR). They also use a small hand-held antenna that they point at the ISS when it flies over.