call sign 
(also call signal)
noun
A message, code, or tune that is broadcast by radio to identify the broadcaster or transmitter: the brief jingle of the station’s call sign sounded...
- This was the call sign of a Hamburg radio station which broadcast nightly news bulletins in English to the British people.
- The vocal quality of the kookaburra gave it the gig as the original call sign for Radio Australia in the days of short wave broadcasting.
- The FM radio decode feature uses radio data system information to relay the station call sign, song title, or artist, for display on the PC monitor.
- plural marriage
- plural society
- plural voting
- plurative
- plurennial
- pluri-
- pluriarc
- pluricellular
- pluricentral
- pluricultural
- pluricuspid
- pluridentate
- pluridimensional
- pluri-disciplinary
- pluries
- pluriflorous
- plurifoliate
- plurifoliolate
- pluriform
- pluriformity
- plurify
- plurilingual
- plurilingualism
- plurilocular
- plurimodal