. . "Embedded JSONLD-in-HTML Statement 424" . . . "callSign" . . . . . . "Embedded JSONLD-in-HTML Statement 421" . "A [callsign](https://en.wikipedia.org/wiki/Call_sign), as used in broadcasting and radio communications to identify people, radio and TV stations, or vehicles." . . . "A [callsign](https://en.wikipedia.org/wiki/Call_sign), as used in broadcasting and radio communications to identify people, radio and TV stations, or vehicles." . . . "Embedded JSONLD-in-HTML Statement 422" . . . . . . . "callSign" . "Embedded JSONLD-in-HTML Statement 423" . . .