For radio hobbyists and people who spend a lot of time broadcasting independently for local communities, amateur radio means ham radio. Public service and recreation are the elements that stimulate the activity of the service participants, furthermore, ham radio proves priceless in times of crisis, emergency or disaster. Estimations indicate that some six million people around the world are regularly part of ham radio, and although the purpose of broadcasting is not commercial, their reward is the ability to get on air. It is the non-commercial feature the one to distinguish ham radio from other radio stations, and not the lack of skills as one may believe.

Ham radio is believed to go back to the end of the 19th century particularly since at the beginning of the 20th there were around ninety amateur stations registered only in the United States and Canada. The appearance of ham radio is tributary to hobby practices and experiments, and one cannot deny that very often, amateur radio founders have given significant contributions to science, services and industry. Moreover, plenty of emergency cases had a happy end because of the intervention of ham radio operators.

Ham radio uses the Morse code in its more classic forms, but basically, the AM and FM frequencies remain the most popular particularly for local or regional amateur radio stations. As for other technological improvements, ham radio meant the introduction of the packet radio and the use digital modes and computers for broadcasting. Last but not least, ham radio operators often use the low power communications on shortwave bands to stay in real-time mode.

Ham radio now has access to OSCARs (orbiting satellites carrying amateur radio) by means of a basic device such as a hand-held transceiver. Another interesting aspect is that ham radio operators use the aurora borealis and the moon for the reflection of the radio waves. Some ham radio stations have even got into contact with the International Space Station as the astronauts on board are also licensed as amateur radio operators. Discussions are in fact common practice among the individual hams who get on-air just to join one meeting or another.

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