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What is Ham Radio and its Purpose?

Context: Indian astronaut Shubhanshu Shukla recently connected with students across the country via ham radio communication from the International Space Station (ISS).

About Ham Radio

  • Ham radio, also known as amateur radio, is a licensed communication service that uses radio waves to connect people.
  • It is commonly used for educational learning, technical experimentation, and emergency communication (SOS).
  • Communication is established using a dedicated frequency, a transceiver, and an antenna by trained and licensed operators.
  • It enables communication that can be local, global, or even space-based (e.g., with astronauts on the ISS).
  • In India, any person above 12 years of age can apply for a ham radio license.
  • The license is issued by the Ministry of Electronics and Information Technology (MeitY).
  • Despite modern communication technologies, the radio remains a stable, reliable, and independent medium of communication.
  • It serves as a crucial alternative communication system, especially during disasters when regular networks fail.
  • Ham radio has played a vital role in India during several emergencies:
    • Bhuj Earthquake (2001)
    • Indian Ocean Tsunami (2004)
    • Uttarakhand Floods (2013)
  • And other natural or man-made calamities.
  • Its ability to function independently makes it a valuable tool for disaster management and public safety.

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