call sign

Definitions

1. A combination of letters and numbers used to identify a radio or television station.
2. Any combination of characters or pronounceable words, which identifies a communication facility, a command, an authority, an activity, or a unit; used primarily for establishing and maintaining communications.

Equivalents

Examples

“Charlie: I'm Charlotte Blackwood. Maverick: I'm Maverick. Charlie: Did your mother not like⟳ you? Maverick: No, it's my call⟳ sign⟳.”

“Four drone operators, led by Shved, whose call⟳ sign⟳ means “the Swede” on account of his blond hair, […]”

CEFR level