. "WMAM (570 AM) is a class D AM radio station in Marinette, Wisconsin, serving the Marinette/Menominee, Michigan area. They operate omnidirectionally with a daytime power of 250 watts and a reduced nighttime power of 100 watts.Although presently classified as a Class D station, this station was originally classified as a \"Class C [Class IV; Local] station 'grandfathered' as operating on a Class B [Class III; Regional] channel\" one of only two such stations in the U.S."@en . "40149"^^ . "D" . . . . "WMAM"@en . "570000.0"^^ . . "ESPN 570"@en . . . . . .