The group have each selected 20 of their favourite songs, with each track personally introduced.
Frankie Sandford's choices include One Direction's 'What Makes You Beautiful', chosen "for the girls", as well as 'Ignorance' by her "favourite" band Paramore, Imogen Heap's 'Hide and Seek' and Michelle Branch's 'Goodbye To You'.
Fans can also hear the band's new single 'My Heart Takes Over' on the channel, which is available to download on November 13.
Their fourth studio album On Your Radar follows on November 21.
The Saturdays recently offered fans the chance to stream their new album online.
Listen to Frankie Sandford's radio station exclusively on Digital Spy below: