Wikipedia
WBSF (branded CW 46) is the CW-affiliated television station for the Flint/Tri-Cities market that is licensed to Bay City. Owned by Cunningham Broadcasting, it is operated by Sinclair Broadcast Group, making this station a sister station to NBC affiliate WEYI-TV (owned by Howard Stirk Holdings) and Fox affiliate WSMH. The two stations (WEYI & WBSF) share studios on West Willard Road in Vienna Township along the Genesee and Saginaw County line.
It broadcasts a high definition digital signal on UHF channel 46 from a transmitter located on Becker Road in Robin Glen-Indiantown, in Buena Vista Township, east of Saginaw. The station can also be seen on WEYI's second digital subchannel ( virtual channel 25.2) from its Vienna Township transmitter.