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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 (IV; Local ) station 'grandfathered' as operating on a Class B (III; Regional ) channel" one of only two such stations in the U.S. Official FCC license note: "CLASS IV ON REGIONAL CHANNEL; SEE §73.29" WMAM currently carries ESPN Radio. ==History== The call letters WMAM were previously assigned to a radio station in Beaumont, Texas, from August 1922 until October 1923.〔(White, Thomas H. K/W ''Call Letters in the United States''. January 1, 2011. ) Accessed 02-Nov-2011.〕〔(''A Chronology of AM Radio Broadcasting 1900-1960''. ) Accessed 02-Nov-2011.〕< WMAM in Marinette started in 1939,〔(''History of Wisconsin AM stations'' ) Accessed 02-Nov-2011.〕 where the call letters reportedly stand for "Marinette and Menominee," or, "Wisconsin Michigan Air Messenger."〔(Portage County Historical Society of Wisconsin. ''Wisconsin Radio - What’s In The Call Letters?'' ) Accessed 02-Nov-2011.〕 WMAM filed for a television license in July 1952,〔〔(Broadcasting Publications Inc. ''WOPI TV BID 'NOT FILED IN GOOD FAITH', WCYB TELLS FCC IN PLEA FOR GRANT'' (Broadcasting - Telecasting. March 9, 1953.) pp. 40-44. ) Accessed 02-Nov-2011.〕 as WMBV-TV channel 11. By 1959, WMBV-TV moved to Green Bay and became WLUK-TV.〔(fox11online.com ''Station History'' (11 Oct 2008). ) Accessed 02-Nov-2011〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「WMAM」の詳細全文を読む スポンサード リンク
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