WULM "Radio Maria" 1600 AM (for "Under (Our) Lady's Mantle") is an American non-commercial AM radio station licensed in Springfield, Ohio serving the Springfield and Dayton area with Catholic inspirational programming. It operates at 1600 kHz with a power output of 1,000 watts daytime and with a reduced power of 34 watts nighttime. It is a repeater of KJMJ 580 kHz in Alexandria, Louisiana, the originating English-language station of Radio Maria USA.