Definitions for "Callsign"
an identifier of a ham station
a rather personal thing to most hams
A unique radio name assigned to a person, object or role
A name given to a person who carries a radio. This allows people on a radio network to indicate which people are talking with each other. A typical radio signal would be: "Union 1 to Union 4, what is your location? Over".
a unique designation for a radio or television station
a requirement of operation under the terms of the licence