The station is owned by Louis Eckelkamp, through licensee East Central Broadcasting, LLC.
The weekday schedule consisted of 11 hours of local shows, as well as programming from CBS Sports Radio.
[7] This lease agreement ended in September 2016, when insideSTL Enterprises took over the operations of KFNS and moved its programming onto that station.
Former St. Louis Cardinals player Jack Clark, who cohosted "The King and the Ripper" with longtime St. Louis radio personality Kevin "the King" Slaten, claimed Los Angeles Angels slugger Albert Pujols had used performance-enhancing drugs (PEDs) while Pujols was with the Cardinals.
[8] Pujols responded by threatening Clark and WGNU with a defamation lawsuit, and vehemently denied that he had ever used PEDs.
[12] On October 12, 2021, WGNU changed its format from brokered programming to sports gambling, branded as "The Game".
Effective May 8, 2023, Radio Property Ventures sold KWUL, KXEN, and translator K264CY to Louis Eckelkamp's East Central Broadcasting for $210,000.