Jack FM (Gulthorpe)

Jack FM (official callsign GCLJ) is a commercial adult hits radio station in Gulthorpe.

Britannic 104
Jack FM launched as adult contemporary station Britannic 104 in 1997, how they got 104 from 103.8 was that they rounded 103.8 to the nearest whole number.

Rebrand to Jack FM
In 2012, Britannic 104 was rebranded to the adult hits station "Jack FM", licensing the brand from Sparknet Communications.