Historically, XEDK was considered one of the most important local television stations in western Mexico; It forms part of the Telsusa Canal 13 network owned by Albavisión.
In 1963, TSM built a new microwave link on Cerro Gordo, near Tepatitlán, improving the quality of its Guadalajara–Mexico City connection.
In 1963 and 1964, the losses for Televisión Tapatía widened, and TT ultimately signed a contract under which Telesistema Mexicano would provide sales services and videotape equipment to XEHL.
November 9, 1967[3] saw channel 6 mount the first color transmissions by an interior Mexican television station;[2]: 40 its signal fanned out over a radius of 100 kilometres (62 mi).
Meanwhile, the Mexican television panorama was changing, with the entrance of Televisión Independiente de México in the Mexico City market.
RPM folded the television station into Grupo DK, and on October 23, 1980, channel 6 took a new call sign: XEDK-TV.
In the early 1990s, as the privatization of Imevisión was about to unfold, Serna formed Grupo Medcom as an umbrella company for his family's media ventures.
In 2009, Corporación Tapatía de Televisión reported that its main source of income was payments made by Televisa to XEDK to broadcast the Mexico City station.
In 2020, Televisa opted to end its contract with Corporación Tapatía de Televisión and air Nu9ve programming on its own XEWO-TDT.