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Stereo
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1989 David Letterman becomes 1st network TV series to use dolby stereo
1982 WQXI, Atlanta, is 1st to use Harris Corp AM stereo system 1982 KHJ (LA) and KFRC (SF) become 2nd and 3rd stereo AM stations 1982 FCC approves AM stereo radio, KTSA San Antonio goes stereo 1961 FM multiplex stereo broadcasting 1st heard |
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