Amateurradio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation
waves allocated for radioamateur (Ham) use. ATV is used for non-commercial experimentation, pleasure, and public service events. Ham TV stations were on
Telecommunication Union (ITU) oversees how much radio spectrum is set aside for amateurradio transmissions. Individual amateur stations are free to use any frequency