Note 1 to entry: The term “emission” is also used for the radio waves and signals produced (see IEV 161-01-09) in radiocommunication, for a process in radiocommunication (see IEV 702-02-05), as a synonym for a programme in broadcasting and for transmission in broadcasting, and for a release into the environment (see IEV 904-01-11).

Note 2 to entry: In French, the term “émission” is also used for the concept represented by the English term “sending” of a signal.