ANSWERS: 1
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I've seen old radios from the late 40's early 50's with FM on them, but there were hardly any stations then. I don't think FM became popular until the late 60's/early 70's.
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RoaringTrue We were putting FM converters on the old stock AM radios like the one in my first car: A 1963 Chevy Impala which was around 1977
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