Celador now owns 26 radio stations following the purchase of Anglian Radio earlier this year.
Celador is preparing to network Kam Kelly's breakfast show at Sam FM Swindon and Sam FM Bristol.
Heart and Smooth Thames Valley Managing Editor Gareth James is leaving Global to join Celador as Programme Editor for the Sam FM network and Fire Radio.
It was a year ago today the Trial Portsmouth DAB multiplex started broadcasting with six services.
No responses were received for an Ofcom consultation about the change of Format for Sam FM.
Ofcom has received a Format change request from Celador Radio, which holds the licence for an FM commercial radio service for SAM FM in the Solent area.
SAM FM has been removed from DAB in South Hampshire and Bristol.
Celador Radio is dropping the JACK FM brand and renaming its three current JACK stations to Sam FM from next week.