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WDZ is the oldest commercial radio station in Illinois, and broadcasts to Decatur on 1050 kHz. It broadcasts a sports-talk format. ==History== WDZ started in the office of the James Bush grain elevator in Tuscola, Illinois. The original call sign was 9JR and the original intent of the station was to broadcast grain reports, making it the first radio station to do so. The station later started mixing some music in with the grain reports.〔 The radio station's power was increased to 1000 watts in 1939 with a new tower. During that time, WDZ used a remote broadcasts that was unique for a rural station. The station started the use of remote broadcasting equipment which included a truck called, the "WDZ 'White Relay Truck"',〔Perry, Stephen D.(2001) 'Securing Programming on Live Local Radio: WDZ Reaches Rural Illinois 1929-1939', Journal of Radio & Audio Media, 8: 2, 347 — 371〕 equipped with a 100-watt transmitter to relay broadcasts from area locations, and some two-watt, battery operated transmitters that could be worn on the backs of assistants when a program originated from remote sites.〔Cassens, G. (1936, March 8). Letter to Lynnita Sommer, Museum Director. Correspondence file, WDZ Collection, Douglas County Museum, Tuscola, IL.〕 The station was on 1020 kHz in 1941, but changed to 1050 kHz, and has remained there since.〔 1050 kHz has been a Mexican Clear Channel since 1941 (was a U.S. Clear Channel before 1941), and U.S. operations on Mexican Clear Channels was restricted to 1,000 watts and to daytime operations, only, until the "Rio" treaty took effect in the late 1980s (before 1941, 1020 kHz was a U.S. Clear Channel and that, too, was restricted). After "Rio" took effect, it was a simple matter for WDZ to add night operations with as little as 250 watts, and today the station is indeed operating with its pre-"Rio" maximum daytime power and its post-"Rio" minimum nighttime power. Anything more than 1,000 watts days and 250 watts nights very likely would require installation of a directional antenna system at great capital expense. WDZ is diplexed (i.e., it uses the very same vertical radiator) with co-owned WSOY. In 1949, the station moved from Tuscola to Decatur.〔 The relocation of WDZ from Tuscola to the west and to Decatur greatly facilitated the eventual allocation of a station on 1080 kHz in Oak Lawn, suburban Chicago, IL. The station's most recent music format was Urban AC branded as "Magic 1050." On March 31, 2008, the station switched to a sports radio format as part of the Fox Sports Radio network. Within a year the station switched programming from Fox Sports Radio to ESPN Radio. WDZ and its sister stations 105.5 WCZQ Monticello and 95.1 WDZQ, 1340 WSOY (AM), and 102.9 WSOY-FM Decatur, were sold to Neuhoff Media in February 2009.〔(Consummation Notice (Form 905) (application #101297640) ), FCC file number BAL-20081219ADP, 〕 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「WDZ」の詳細全文を読む スポンサード リンク
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