sentences:  Originally a daytime-only station on a Mexican clear channel, a treaty signed between the American and Mexican governments allowed the station to broadcast full-time at reduced power at night in 1986.Cumulus Media took control of WWCK-AM/FM in March 2000, and a year later, WWCK-AM dropped its simulcast of the FM station in favor of urban contemporary gospel music via ABC Radio's "Rejoice - Musical Soul Food" network.The current Talk format was adopted on March 1, 2004, allowing Flint to once again have a News/Talk station of its own following WFDF AM 910's move into the Detroit market and metamorphosis into Radio Disney.