EMISSION

1. Electromagnetic energy propagated from a source by radiation or conduction. ( 188 ) Note: The emission may be either desired or undesired and may occur anywhere in the electromagnetic spectrum . 2. Radiation produced, or the production of radiation, by a radio transmitting station . For example, the energy radiated by the local oscillator of a radio receiver would not be an emission but a radiation. [ NTIA ] [ RR ]