amateuradio
Amateur radio, commonly called ham radio, is a recreational and service activity that uses designated radio frequency bands for private, non-commercial communication, experimentation, self-training, and mutual aid. Operators, or hams, build and operate equipment to communicate with others around the world, engage in technical projects, and provide disaster and emergency communications when needed.
Licensing and regulation: In most countries, individuals must be licensed to operate on amateur bands. Licenses
Equipment and bands: Amateur radio uses equipment such as transceivers, antennas, tuners, and power supplies. It
Activities and community: Hams participate in nets, contests, field days, and experiments. Amateur radio clubs and
History: The amateur radio movement emerged from late 19th and early 20th century radio experimentation, with