 The new owners helped to turn around the station's fortunes by heavily investing in programming, most of it sourced from Telesistema Mexicano.On September 29, 1962, Azcárraga and his partners launched a second Spanish-language station, KMEX-TV, in Los Angeles.KWEX and KMEX formed the nucleus of the Azcárraga-owned Spanish International Network (SIN), created in late 1962.