KMIX (100.9 FM, "La Tricolor 100.9") is a radio station broadcasting a regional Mexican format. Licensed to Tracy, California, United States, it serves the Stockton area. The station is currently owned by Entravision Communications.
History The station began broadcasting December 14, 1966. For many years, the station was a sister station to KWG. The station's original call sign was KSRT (for Stereo Radio Tracy). From the late 1960s to the early 1970s, the station aired a Spanish language format.Broadcasting 72' Yearbook, Broadcasting, 1972. p. B-30. Retrieved June 25, 2018.Broadcasting Yearbook 1977, Broadcasting, 1977. p. C-30. Retrieved June 25, 2018. In the early to mid 1970s (1973) through the very early 1980s (1981) KSRT aired an album-oriented rock format.Broadcasting Yearbook 1978, Broadcasting, 1978. p. C-30. Retrieved June 24, 2018.Broadcasting Yearbook 1980, Broadcasting, 1980. p. C-32. Retrieved June 24, 2018. On May 6, 1981, the station's call sign was changed to KWGF. In 1983, the station's call sign was changed to KYBB (B-101). From the mid to late 1980s, the station aired an adult contemporary format.Broadcasting Cablecasting Yearbook 1986, Broadcasting/Cablecasting, 1986. p. B-41-42. Retrieved June 23, 2018.Broadcasting/Cablecasting Yearbook 1988, Broadcasting/Cablecasting, 1988. p. B-42. Retrieved June 23, 2018. By 1989, the station was airing an Oldies format,Unmacht, Robert (1989). The M Street Radio Directory. p. S-45. Retrieved June 23, 2018. and on June 26, 1990, the station's call sign was changed to KSGO (Stockton's Golden Oldies). On December 1, 1992, the station's call sign was changed to KEXX (Xtra 101). By 1995, the station's oldies format had evolved to a playlist centered on hits of the 1970s.Broadcasting & Cable Yearbook 1995, Broadcasting & Cable, 1995. p. B-59. Retrieved June 24, 2018.Unmacht, Robert (1995). The M Street Radio Directory. p. 117. Retrieved June 24, 2018.
KEXX dropped 1970s oldies for country music in 1995, changing its letters to KMIX. By 1997, KMIX was airing a Spanish language format.Broadcasting & Cable Yearbook 1997, Broadcasting & Cable, 1997. p. B-65. Retrieved June 24, 2018.
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