theIASHub | 05 Jul, 2025 | 14
Ham Radio : Recently, in a landmark moment for India's space outreach, astronaut Shubhanshu Shukla connected with students in India directly from the International Space Station (ISS) via ham radio (amateur radio).
o The interactive session was designed to inspire young minds and ignite interest in science and space exploration.
o How it Works: It operates using radio frequency waves through a transceiver and antenna, enabling local, international, and even space-based communication between licensed users.
o Eligibility in India: Individuals aged 12 and above can apply for a ham radio licence, issued by the Ministry of Electronics and Information Technology.
o Use in space : Began in 1983, when astronauts aboard a space shuttle used it to connect with Earth.
ü The ISS currently houses a dedicated ham radio station called Amateur Radio on the International Space Station (ARISS).
ü Used for educational outreach, for live interactions between students & astronauts.
o This initiative is supported by space agencies from the US, Russia, Europe, Japan, and Canada, and relies on non-interference protocols—radio activity is paused during sensitive operations like docking.
o Despite modern advancements in digital communication, ham radio remains one of the most dependable alternatives, especially during emergencies when conventional systems fail.
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