Editing KFNS (AM) (section)

===Early years===
[[File:KOOL-590--St Louis Post Dispatch Fri Sep 2 1988 .jpg|left|thumb|250x250px|WKLL ad after its transition in early September 1988.]]On October 5, 1961, the station first signed on as WBBY, a daytimer broadcasting at 500 watts.<ref name="BCYearbook1963">''[https://americanradiohistory.com/Archive-BC-YB/1963/B%20A-M%20Radio%20Broadcasting%20Yearbook%201963.pdf 1963 Broadcasting Yearbook]''. [[Broadcasting & Cable|Broadcasting]], 1963. p. B-61. Retrieved September 22, 2019.</ref><ref name="HistoryCards">[https://cdbs.recnet.com/corres/?doc=66858 History Cards for KFNS], fcc.gov. Retrieved September 22, 2019.</ref> WBBY was owned by Madison County Broadcasting Company and served the Wood River area with local news, sports and other programming. It began nighttime operations in 1964.<ref name="HistoryCards" /> In 1965, WBBY changed its [[call sign]] to WRTH and its format switched to [[beautiful music]], targeting the St. Louis market.<ref>"[https://www.americanradiohistory.com/Archive-Billboard/60s/1967/Billboard%201967-03-11.pdf Stations By Format]", ''[[Billboard (magazine)|Billboard]]''. November 4, 1989. p. 16. Retrieved September 23, 2019.</ref><ref>"[https://www.americanradiohistory.com/Archive-Billboard/70s/1971/Billboard%201971-09-11.pdf The Fourth Annual Billboard Radio Programming Forum Chicago, Aug. 19-21]", ''[[Billboard (magazine)|Billboard]]''. September 11, 1971. p. 27. Retrieved September 23, 2019.</ref><ref name="BCYearbook1979">''[https://www.americanradiohistory.com/Archive-BC-YB/1979/C-All%20%20Radio%20Broadcasting%20Yearbook%201979-12.pdf Broadcasting Yearbook 1979]''. [[Broadcasting & Cable|Broadcasting]], 1979. p. C-71. Retrieved September 23, 2019.</ref> Its [[easy listening]] music format was among the most highly rated stations in St. Louis.<ref name="Duncan">Duncan, James H. "[https://www.americanradiohistory.com/Archive-Duncan-American-Radio/Duncan-1975-2004-Trilogy-Vol-I.pdf St. Louis: 12+ Metro Share]", ''An American Radio Trilogy 1975 to 2004''. Volume 1: The Markets. Duncan's American Radio. Retrieved September 23, 2019.</ref> Among the best known announcers were Grant Horton, Paul Warner, Frank Akers, Jim Scanlan and Ed Goodman.

In the 1980s, WRTH transitioned to an [[adult standards]] format,<ref>"[https://www.americanradiohistory.com/Archive-Billboard/80s/1984/BB-1984-01-21.pdf Fall Arbitron Results]", ''[[Billboard (magazine)|Billboard]]''. January 21, 1984. p. 18. Retrieved September 23, 2019.</ref> which it aired until September 1988, when it flipped to [[oldies]] as WKLL, ''Kool 590''.<ref name="VoxJox91788" /> On November 1, 1989, the format changed again to all-business news and talk under the call letters WCEO,<ref>Ross, Sean. "[https://www.americanradiohistory.com/Archive-Billboard/80s/1989/BB-1989-11-04.pdf Vox Jox]", ''[[Billboard (magazine)|Billboard]]''. November 4, 1989. p. 16. Retrieved September 22, 2019.</ref><ref name="CallSign">[https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=13505&Callsign=KFNS13505 Call Sign History], fcc.gov. Retrieved September 22, 2019.</ref> which stood for [[Chief executive officer|Chief Executive Officer]]. On January 1, 1991, the station adopted an [[easy listening]] format<ref>"[http://www.americanradiohistory.com/Archive-RandR/1990s/1991/RR-1991-01-11.pdf WCEO NOW B /EZ; B /EZ KEZK Switches to AC Format]", ''[[Radio & Records]]''. January 11, 1991. p. 38. Retrieved September 22, 2019.</ref> with the call sign KEZK adopted that January 29;<ref name="CallSign" /> at the time, Adams Communications Corporation owned both KEZK and [[KEZK-FM]], a [[soft adult contemporary]] outlet.<ref>''[https://americanradiohistory.com/Archive-BC-YB/1991/B-Radio-AL-MT-1991-B&W.pdf The Broadcasting Yearbook 1991]''. [[Broadcasting & Cable|Broadcasting]]. 1991. pp. B-108, B-195. Retrieved September 22, 2019.</ref>

In February 1993, KEZK began simulcasting the soft AC programming of its FM sister station.<ref>Stark, Phyllis; Boehlert, Eric; Borzillo, Carrie. "[https://www.americanradiohistory.com/Archive-Billboard/90s/1993/BB-1993-02-13.pdf Vox Jox]", ''[[Billboard (magazine)|Billboard]]''. February 13, 1993. p. 73. Retrieved September 23, 2019.</ref>[[File:KFNS AM 590 Logo.png|thumb|KFNS' logo as "590 The Fan", used from 1993 to 2013. A similar logo would be utilized upon the format's relaunch in late 2015 until September 2016.|alt=]]