Noun
call letters pl (plural only)
(broadcasting) Call sign.
By the mid-to-late 1990s, stations minimized their call letters to be just barely readable while still in compliance with FCC identification requirements. Source: Internet
Only CF, CH, CI, CJ and CK are currently in common use, although four radio stations in St. John's, Newfoundland and Labrador retained call letters beginning with VO when Newfoundland joined Canadian Confederation in 1949. Source: Internet
The first college radio station began broadcasting on October 14, 1920 from Union College, Schenectady, New York under the personal call letters of Wendell King, an African-American student at the school. Source: Internet
NBC station W2XBS in New York City received the first commercial license, adopting the call letters WNBT. Source: Internet
The call letters stood for Kalamazoo District Schools (now Kalamazoo Public Schools). Source: Internet
KRPT FM call letters were changed to KVSP FM and Oklahoma City had its first Urban FM radio station in more than 15 years. Source: Internet