Radio News Southern Cal Radio Feeling Good About 4th Quarter By RBR-TVBR - September 21, 2017 0 FacebookTwitterWhatsAppLinkedinEmail The Southern California Broadcasters Association forecasts “busy and active” ad spending activity for its 170 member radio stations in Los Angeles and San Diego during the fourth quarter, according to a new SCBA report.Please Login to view this content. (Not a member? Join Today!)