Amateur Radio (ham radio) is a popular hobby and service that brings people, electronics and communication together. People use ham radio to talk across town, around the world, or even into space, all without the Internet or cell phones. It’s fun, social, educational, and can be a lifeline during natural disaster like floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, and other geologic processes when all communications like cell phone, internet are down then the role of Amateur Radio comes into the picture.
HAM Radio a slang word is commonly used in this hobby. It is sometimes claimed that HAM came from the first letter from the last names of three radio pioneers: Heinrich Rudolf Hertz, Edwin Armstrong and Guglielmo Marconi.
This hobby enjoyed by several hundred thousand people in the United States and by over a million people worldwide. Amateur radio operators call themselves “radio hams” or simply “hams.”