The term CHANNEL CB is a type of RADIO communication that is used by CITIZENS, also known as HAM RADIO. It is a two-way RADIO service that allows users to communicate OVER short distances using NINE channels and frequencies that are allocated by the Federal Communications Commission (FCC). The term OVER refers to the transmission of a signal from one station to another, while RADIO is the device used to send and receive signals. RADIOED is the past tense of the verb 'to RADIO, ' which means to send a message or signal using a RADIO. HAM is an acronym for 'high-frequency amateur RADIO, ' which is a type of RADIO communication used by amateur RADIO operators. CITIZENS is a term used to refer to people who are members of a particular country or state.