Chicago ita ce kasuwa mafi girma ta uku mafi girma a cikin Amurka kuma ana la'akari da ita cibiyar masana'antar nishaɗi a cikin Midwest. A cikin "shekarun zinare" na manyan tashoshi 40 a cikin 60s da 70s, ABC's WLS sun mamaye iska. A cikin shekarun 80s, kamar yawancin manyan tashoshin 40 na AM na ƙasar, ta watsar da kiɗa don yin magana yayin da tsarin kiɗan ya ƙaura zuwa FM.

Tarihin Gidan Rediyon Chicago bayan 1920s

Chicago tana da tashoshi akan bugu na AM da suka fara da watsa shirye-shiryen kasuwanci a farkon 1920s. Farkon wasiƙun tarho a kasuwa mallakar KYW, wani tashar Westinghouse wanda Sashen Ciniki ya ba da lasisi a ranar 9 ga Nuwamba, 1921. Yana farawa da sigar opera. Tashoshi na gaba sune WBU da WGU. An ba da lasisin WBU na birnin Chicago a ranar 21 ga Fabrairu, 1922, kuma ya daina aiki a ranar 7 ga Nuwamba, 1923. An ba da lasisin WGU a kantin sayar da kayayyaki a ranar 29 ga Maris, 1922, kuma daga baya a wannan shekarar, ranar 2 ga Oktoba, wasiƙar kira ta kasance. ya canza zuwa WMAQ.

Sauran tashoshi da aka ba su lambar kiran AM a farkon shekarun 1920 sun haɗa da WGAS na Ray-Di-Co, WDAP na Mid West Radio Central (wanda Hukumar Ciniki ta Chicago ta samu a 1923), WJAZ na Zenith Corporation (a matsayin tashar šaukuwa a 1924 kuma yana ƙare shekara mai zuwa. a Mt. Prospect), da WAAF na Drovers Journal of Chicago. A cikin 1924, Chicago Tribune ta sami WAAF kuma ta canza wasiƙar tarho zuwa WGN. A wannan shekarar, Tribune ta sami WDAP, wanda WGN ya mamaye shirye-shiryensa da kayan aiki. WCFL, mai suna bayan mai ta na farko, Ƙungiyar Labour ta Chicago, ta ƙaddamar da ƙarfe 610 na safe a cikin 1926, amma daga baya aka koma 620, sannan 970, kuma a ƙarshe 1000. CFL ya ci gaba har zuwa 1979.

Dial ɗin ya ci gaba da canzawa a cikin 30s kuma ya zama mafi daidaitawa a cikin 40s bayan sake fasalin FCC. By 1942, AM dials sun haɗa da WMAQ (670), WGN (720), WJBT (770), WBBM (780), WLS (890), WAAF (950), WCFL (1000), WMBI (1110), WJJD (1150) WSBC (1240), WGBF (1280) da WGES (1390).

Rediyon FM sannu a hankali sun fara fitowa a dial a cikin shekaru arba'in da hamsin, amma sai a shekarun sittin da saba'in suka fara samun gagarumar jama'a. A shekarun 1980s, FM ya zama ƙungiyar kiɗa, kuma tashoshin magana suna bunƙasa a AM. Daga 1980s zuwa yanzu, haɗin gwiwar kamfanoni ya mamaye kanun labaran masana'antu.

WLS ta yi hanyar zuwa bugun rediyon Chicago a cikin 1924 tare da watts 500. Asalinsa mallakar Sears & Roebuck ne, wanda shine yadda tashar ta sami sunan ta, daga taken Sears "Kantin Kasuwanci mafi Girma a Duniya". Wani wasan kwaikwayo na farko wanda ya daɗe shekaru da yawa shine "Ƙasar Barn Dance," wanda ya ƙunshi wasan kwaikwayo da kiɗa na ƙasa. Tashar ta tsara ma'auni don bayar da rahoton gonaki a tsakiyar Yamma. A cikin 1929, Sears ya sayar da tashar zuwa Praaire Farmer Magazine, wanda Burridge Butler ya jagoranta. Kamfanin ya mallaki tashar tun a shekarun 1950.

Tarihin Rediyon Chicago bayan 1940s

WLS yana da farkon gida a 870 AM, amma ya koma 890 lokacin da FCC ta sake aiki a cikin 1941. A farkon kwanakin, ya zama ruwan dare ga tashoshi daban-daban don raba wuraren bugun kira. Har zuwa 1954, WLS ta raba matsayinta na bugun kira tare da WENR, wanda mallakar ABC ne. Bayan ABC da Paramount Theatre sun sami hannun jari mai sarrafawa a WLS a cikin 1954, 890 AM ya zama WLS kawai, yayin da wasiƙar kiran WENR ta kasance a tashar tashar FM ta Chicago TV 7 da 'yar'uwar FM ta 94.7. A ƙarshen shekaru goma, ABC ta watsar da wasan kwaikwayon gona wanda aka san WLS tun farkon sa.

A ranar Mayu 2, 1960, WLS ta canza zuwa babban gidan rediyo 40 a karon farko akan nunin Sam Holman. 'Yan wasa na farko a cikin wannan nau'i na WLS masu tasowa sune Clark Webb, Bob Hale, Gene Taylor, Mort Crowley, Jim Dunbar, Dick Biondi, Bernie Allen da Dex · Card. 'Yan wasa biyu na WLS, Ron Riley da Art Roberts, sun yi hira da The Beatles daban. Clark Weber ya zama mai masaukin baki a 1963, shekaru biyu bayan shiga gidan rediyo. Ya yi aiki a matsayin darektan shirye-shirye daga 1966 har zuwa zuwan John Rooker a 1968. Webb sannan ya koma WCFL na 'yan shekaru, sa'an nan kuma ya shiga cikin jerin wasu shirye-shiryen rediyo na Chicago tsawon shekaru.

Tarihin Rediyon Chicago bayan 1960s

WLS har yanzu yana watsa shirye-shiryen labarai da yawa a farkon shekarun 1960 don biyan buƙatun FCC. A wannan lokacin, WLS ta haura zuwa saman uku tare da WGN da WIND. Biondi ya yi dare uku kafin ya ƙare a KRLA a Los Angeles, amma sai ya koma Chicago a WCFL.

A cikin 1965, WCFL ta sauya daga Labarun Labarun zuwa manyan 40 don zama "Super CFL," yana kawo gasa ga WLS, wanda ya kira kanta "Channel 89," sannan "Big 89." WLS ta yi nasara a 1967 a karkashin jagorancin manajan tashar Gene Taylor. An gabatar da sabon jerin 'yan wasa da suka hada da Morning's Larry Lujack, Chuck Beal, Jerry Kay da Chris Eric Stevens. Daraktan shirye-shirye John Rook ya ƙarfafa tashar, kuma zuwa 1968, WLS ta kasance lamba ta ɗaya kuma ta sami lambar yabo ta "Radio of the Year" daga Rahoton Gavin.

Lokacin da CFL ta doke WLS a saman-40 yaƙi shine lokacin rani na 1973. Yayin da PD da Fred Winston suka tashi daga rana zuwa safiya, Tommy Edwards ya yanke, wanda ya haifar da canji a WLS. An kawo sabbin baiwa, ciki har da Bob Sirott, Steve King da Yvonne Daniels. A faɗuwar rana, WLS ta dawo a lamba 1. WCFL ta watsar da wannan tsari a cikin 1976 kamar yadda WLS ta mamaye har zuwa ƙarshen shekarun saba'in.

WLS-FM (94.7) ta kasance WENR FM a da. A 1965 ya zama WLS-FM, watsa shirye-shiryen "kyakkyawan kiɗa" da wasanni. A cikin 1968, ya fara simulcasting WLS-AM safiya yana nuna Clark Weber (6a-8a) da Don McNeill's Breakfast Club (8a-9a). A watan Satumba na 1969, bayan gwajin gwajin da aka yi mai suna "Spoke", ABC ta yanke shawarar canza tsarin FM zuwa dutsen ci gaba. WLS-FM ta zama WDAI a cikin 1971 yayin da ake ci gaba da samun ci gaba. A shekara mai zuwa, tashar ta fara motsawa zuwa hanyar dutse mai laushi. Sannan a cikin 1978 tsarin ya canza gaba daya zuwa disco. An kori Steve Dahl, don haka shi da abokin aikinsa Garry Meier sun zagaya cikin gari zuwa WWUP tare da babban nasara.

Tarihin Rediyon Chicago bayan 1980s

A halin yanzu, wasan disco ya ɗauki shekaru kaɗan kawai, kuma a cikin 1980 WDAI-FM yana kan wuta, don haka a taƙaice ya canza tsarin zuwa oldies WRCK a 1980, sannan ya sake canza suna zuwa WLS-FM kuma ya fara kwaikwayon wasan kwaikwayo na yamma na AM. A cikin 1986, WLS-FM ta zama WYTZ (Z-95), babban mai fafatawa 40 zuwa B96 (WBBM 96.3). Alamar kira ta sake komawa WLS-FM a cikin 1992 kuma ta zama simulcast na cikakken lokaci na AM, kafin ta canza gaba ɗaya zuwa tsarin magana a 1989. Daga 1995 zuwa 1997 gidan rediyon ƙasa WKXK (Kicks Country), tare da abokin hamayyarsa WUSN . Daga nan ya sake komawa cikin dutsen gargajiya a cikin 1997, ya yi nasarar jagorantar Q101 a matsayin madadin tashar da CD 94.7 karkashin shirye-shiryen Bill Gamble. A shekara ta 2000, CD 94.7 ya zama Yankin, yana mai da hankali kan madadin kiɗan.

WXRT (93.1) ya kasance tashar dutse mai tsayi mai tsayi wanda ya canza daga dutsen ci gaba zuwa dutsen na yanzu zuwa madadin, kuma ya kasance madadin manya tun 1994. Tashar ta fara shiga cikin dutsen ci gaba a cikin 1972. Alamar kira ta baya ita ce WSBC. An yi amfani da wasiƙun kira na WXRT akan FM 101.9 a Chicago a shekarun 40's da farkon 50's. Norm Winer ya riga ya shirya don WBCN a Boston kuma ya shafe safiya a KSAN a San Francisco kafin ya zama jagoran shirye-shirye na WXRT. A cikin 1991, ikon mallakar ya wuce daga Daniel Lee zuwa Watsa shirye-shiryen Diamond. A cikin 1995, gidan rediyon CBS ya mallaki gidan rediyon, wanda daga baya ya hade da Infinity Broadcasting.

Tarihin Rediyon Chicago bayan 1990s

A cikin 90s, lokacin da madadin tsarin yana da mafi girman ƙima, Q101 (WKQX) yana ɗaya daga cikin manyan madadin tashoshi a cikin Midwest. Tasha ce ta sama 40 mallakar NBC a cikin shekarun 80s, kuma ta sayar wa Emmis a cikin 1988. Tashar ta ajiye wasiƙar kira amma ta koma wani tashar dabam a 1992 a ƙarƙashin shirin Bill Gamble, wanda ya tsallake garin bayan shekaru biyar. Alex Luke, wanda ya rubuta KPNT a Stl Louis, ya zama darektan ayyuka har zuwa 1998 lokacin da Dave Richards ya zo na tsawon shekaru uku. Richards ya tsara tashar dutsen WRCX (103.5), wanda ya juya tsarin kuma ya canza wasiƙar kira zuwa WUBT. Mary Shuminas ta yi aiki a tashar na tsawon shekaru 20, amma ta bar aiki a 2004 a matsayin mataimakiyar daraktar shirye-shirye. WXRT ya jagoranci Q101 a cikin ratings tun farkon 2000s, yana nuna cewa madadin magoya baya sun fi son jerin waƙoƙi mai faɗi fiye da jujjuyawar juyi kamar manyan 40. A cikin 2000s, Alex Luke ya ci gaba da zama Daraktan Shirye-shiryen Kiɗa da Alaka na Apple iTunes Store Store.

Daga tsakiyar 90s zuwa farkon 2000s, babban wasan safiya na Chicago shine Mancow Muller. Ya fito ne daga babban tashar Z40 na San Francisco 95, inda ya yi labarai na kasa saboda kama shi saboda hana zirga-zirga a kan gadar Bay - saboda aski. Abin ban mamaki ne don jin daɗin abubuwan da suka shafi Shugaba Clinton. Mueller ya fara zuwa Chicago a watan Yuli 1994 a tashar dutsen WRCX. An kira wasan kwaikwayon "Mancow's Morning Madhouse." Nunin ya faɗaɗa zuwa ƙungiyoyin ƙasa da ƙasa a cikin 1997. A shekara ta gaba, Mancow ya motsa nunin safiya zuwa Q101. A cikin 2001, wasan kwaikwayon Mancow ya shiga cikin matsanancin bincike ta FCC, wanda ya haifar da tara tara da yawa akan abubuwan da ke cikin nunin.

Yunkurin WLS-AM na yin magana da rediyo a 1989 ya nuna cewa a shekarun 80s masu sha'awar kiɗa sun koma FM. Sauran tashoshin magana na AM a lokacin sun haɗa da WMUP (1000), WVON (1450) da WJJD (1160). WIND (560) shima yayi magana kafin a siyar dashi da tafiya Spain. Abin sha'awa, yayin da masu son kiɗa suka juya galibi zuwa FM a cikin 80s, babban gidan rediyo a garin a ƙarshen ƙarni na 10 shine babban tashar WGN-AM mallakar Tribune (720). WBBM-AM (780) shi ma ya kai matsayi na uku a matsayin gidan labarai a karshen tamanin. Tsarin birane na WGCI (107.5) da WVAZ (102.7) sun kasance mafi girma a cikin ratings, duk da 'yar uwarsa FM B96 ita ce jagora a cikin hits na zamani. Evergreen's WPUP (97.9) shima yayi kyau a matsayin tashar dutse. Sa'an nan aka sayar da shi zuwa Bonneville,

A cikin shekaru casa'in, WGN-AM ya ci gaba da jagorantar kasuwa, kodayake tsarin ya koma labarai da kiɗa, wanda aka sani da tsarin "cikakken sabis". WGCI ya tura masu shi daga Gannett zuwa Chancellor Media, wanda kuma ya sayi WVAZ abokin hamayyarsa kuma ya canza tsarinsa zuwa babban birni mai girma. Chancellor daga baya ya zama AMFM kafin haɗe da Clear Channel. A tsawon wannan canjin, shugaban birni ya kasance jagoran kasuwa. Chancellor kuma ya sayi WGCI-AM (1390) kuma ya sanya shi tsarin tsofaffin birane. A shekara ta 1997, Chancellor yana da tashoshi bakwai a kasuwa, godiya ga Dokar Sadarwa ta 1996, wanda ya sauƙaƙa ƙuntatawa na mallaka. WBBM AM (labarai) da WBBM FM (hits) suma sun yi kyau a cikin 90s, kamar yadda WLS Radio (890) suka yi.