1978 in radio
The year 1978 saw a number of significant events in radio broadcasting.
- May 6 – Bob Kingsley, producer of the syndicated "American Country Countdown," takes over as host. He replaces Don Bowman, who had hosted for the first 4½ years. Kingsley will helm the program for 27 years.
- July – WHTT of Moline, Illinois but with studios in Davenport, Iowa switches call letters to WXLP and changes its format from country to album-oriented rock. The station adopts the nickname "97X."
- September 18 – In television, American situation comedy WKRP in Cincinnati (1978–1982), featuring the misadventures of the staff of a struggling radio station in Cincinnati, Ohio.
- October 7 – "American Top 40" expands from three to four hours. Several new features are added to the program, which is reaching its peak in popularity.
- Likely fall – WEMO (101.3 FM) of East Moline, Illinois switches its adult contemporary/MOR format to country music, and changes its call letters to WZZC. The new station, an ancestor to WLLR, stabilizes an FM country music format, which – except for a brief run in 1977-1978 on WHTT-FM (96.9 FM) – had been absent from the Quad Cities market for more than five years.
- Bill Ballance leaves KGBS for KFMB in San Diego, where he is to remain for fifteen years.
- 8 March – The first episode of The Hitchhiker's Guide to the Galaxy - the radio series later to be turned into a book, a television programme, a game, and a film - is broadcast on BBC Radio 4.
- 3 July – The radio play Pearl by John Arden is first performed.
- 24 December – In Sweden, pirate radio station Radio FM in Stockholm goes on air.