iHeartMedia will launch Alternative "Alt 104.5" K283BV Davenport, IA at 1:04 this afternoon. The newly debuted 250 watt signal will debut jockless fed by 103.7 WLLR-HD2 (Coverage Map). Core artists listed include Twenty One Pilots, Mumford & Sons, the Black Keys and Kings of Leon. iHeartMedia – Quad Cities today announces an exciting new radio