From the MCRFB NEWS archive: 1964 Detroit Radio Stations by Formats May, 1964     RADIO  RESPONSE  RATINGS  FOR  DETROIT    DETROIT AREA: Fifth largest radio market. Twelve (12) AM, thirteen (13) FM. One pop-contemporary, 1 standard-pop, 2 R&B,  1 C&W, 4 contemporary,  1 standard, 2 conservative. D E T R O I T   T O … Continue reading 50 YEARS AGO: DETROIT RADIO FORMAT RATINGS ’64