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Call signs in South America are used for a variety of purposes, including identifying radio and TV stations. Argentina and Brazil both have broadcast call signs systems. Some stations still broadcast their call signs a few times a day, but this practice is becoming very rare. ==Argentina== Argentinian broadcast call signs consist of two (or, more recently, three) letters followed by multiple numbers. The second letter, as used in television call signs from the 1960s, traditionally indicated the region; LS call signs were given to stations in Buenos Aires, LT in the northeastern region, LU in the southern region, LV in the central region and LW in the northwestern region. (LR was used for some radio stations, especially in Buenos Aires; the earliest radio stations in the Argentine capital had call signs of LR plus one digit.) Most TV stations had call signs with higher two-digit numbers. The five main stations in the Buenos Aires area had call signs from LS 82 to LS 86, while stations in Rosario, Santa Fe had call signs LT 83 and LT 85. Since 2000 or earlier, call signs beginning with LR and a third letter, as well as have been assigned, * LRA exclusively assigned to Radio Nacional, regardless of its location, or mode of transmission. * LRF - LRU In Tierra del Fuego, Chubut, Santa Cruz * LRG - LRT In Neuquen, La Pampa, Rio Negro * LRH - LRR In Chaco, Formosa, Corrientes, Misiones * LRI - LRM - LRP - LRS In Santa Fe, Buenos Aires, Entre Ríos * LRJ - LRN - LRT in Cordoba, Mendoza, San Luis, La Rioja, San Juan * LRK - LRQ in Salta, Jujuy, San Juan, Catamarca, Santiago del Estero * LRL - In Ciudad Autonoma de Buenos aires an his Metropolitan Area (but not exclusively, a station in Santa Fe has been assigned with this call sign) For instance, LRL 421 is Canal 21 in Buenos Aires. There are other Callsigns almost unused, I.E. AYP 75 FM 99.5 MHz. in Ciudad Autonoma de Buenos Aires, and LOL Observatorio Naval (National Observatory, a time signal station which operates in Shortwave. 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「Call signs in South America」の詳細全文を読む スポンサード リンク
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