[1] The station closed at 22:00 on 29 October 2023 following the acquisition of the FM frequencies by Bauer to become part of the Greatest Hits Radio network.

In October 2006, ARI Consultancy, who had acquired Passion 107.9 from the Milestone Group,[2] announced plans to launch the UK's first Jack FM format station after winning a broadcast licence for the Oxford area.

[citation needed] Based on the format of the American station of the same name,[5][6] JACKfm runs with a strapline of "Playing What We Want" and mostly has no DJs across daytimes (and even nighttimes).

[7] Darrow, best known for his role in the BBC's Blake's 7, died in 2019, which left the station without any topical soundbites, but his more generic announcements continued to be used until July 2022.

[8] Following Darrow's death in June 2019, Oxford born Jim Rosenthal was introduced as an additional voice to commentate on current affairs.

[10] JACK FM Oxfordshire's weekday breakfast show was presented by Matt Richardson, who took up the role in March 2023, replacing Iain Lee.