The Register-Guardhttp://www.registerguard.com/ Transmitter failure takes KPNW off the airSome of the conservative talk radio station’s listeners suspect a liberal conspiracy By Whitney MalkinThe Register-Guard Posted to Web: Monday, Jul 6, 2009 11:36PM Appeared in print: Tuesday, Jul 7, 2009, page A4 Local conservative talk radio station KPNW AM 1120 has been off the air since Friday, and while station managers are blaming sizzling weekend temperatures, some listeners have other ideas.Since the station’s transmitter failed early Friday morning, Program Director Bill Lundun says, the phone lines have been jammed with concerned callers. Some are conspiracy theorists, convinced that the Obama...