Heart Sussex (previously Southern FM, also operating as Heart Sussex for Crawley & Surrey in Crawley and Surrey) is an Independent Local Radio station which is owned by Global Radio (formerly GCap Media) and plays commercial, chart-oriented popular music. Broadcast and managed from studios and offices in Portslade, Brighton and Crawley, the station plays a mix of pop, rock and RnB with the overall tag line being 'The station for Sussex and Surrey' – replacing Mercury FM.