KTCT
KTCT (1050 AM) is a radio station licensed to San Mateo, California. The station airs a sports format as KNBR 1050, a sister radio station to KNBR.

History

KVSM
The station began broadcasting in 1946, and originally held the call sign KVSM, standing for the "Voice of San Mateo". The station ran 250 watts during daytime hours only. The station was an affiliate of the short lived Progressive Broadcasting System in the early 1950s. In 1953, the station's power was increased to 1,000 watts.

KOFY
In 1958, the station's call sign was changed to KOFY. From the 1960s through the 1980s, KOFY aired a Spanish language format. In early 1986, the station was sold to James Gabbert for $2,000,000. In March 1986, the station began airing an oldies format. In late 1986, the station added nighttime operations, running 500 watts. In 1989, the station's daytime power was increased to 50,000 watts, and its nighttime power was increased to 1,000 watts. In 1991, the station returned to airing a Spanish language format. In 1992, the station's nighttime power was increased to 10,000 watts.

KTCT
In 1997, the station adopted a sports format as "The Ticket", and its call sign was changed to KTCT. In 2003, the station was rebranded "KNBR 1050". Since 1999, the station has operated at 35,000 watts at night, but using its daytime antenna system, under a special temporary authority, due to the unauthorized nighttime operations of XED-AM 1050 in Mexicali, Baja California, Mexico.

Ownership
KNBR and KTCT are owned by Cumulus Media Partners, LLC, a private partnership of Cumulus Media, Bain Capital, The Blackstone Group, and Thomas H. Lee Partners. It was purchased from Susquehanna-Pfaltzgraff Media in 2005 along with other Susquehanna Radio Corporation stations.

Sports content
Sports content has included San Francisco Giants MLB baseball, San Jose SaberCats arena football, San Jose Earthquakes soccer, Stanford Football, and San Francisco 49ers NFL football. Some AM broadcasts on KNBR may be moved to KTCT due to conflicts with Giants games. Golden State Warriors basketball had also been covered until August 25, 2016, the Warriors announced they have ended their partnership with KNBR and signed with KGMZ-FM; the partnership with KNBR lasted 40 years, including 32 consecutive years. Beginning in 2020, KTCT began broadcasting the Oakland Panthers of the Indoor Football League. 

KNBR and KTCT are charter affiliates of CBS Sports Radio, a joint venture between CBS Radio and Cumulus, which started on January 2, 2013. NBC Sports Radio has also been covered on KTCT. Through these affiliates, other games and events from MLB, NBA, NFL, PGA Tour, NASCAR, and NCAA have been broadcast.

Programming
On KTCT, weekday programming consists of the following blocks when not preempted by sports events. The morning shows have CBS Sports Radio with Barber, Tierney, Jacobsen; The John Feinstein Show, and The Jim Rome Show. The afternoon show is hosted by Ted Ramey and then The Tom Tolbert Show is simulcast with KNBR 680. The evening shows have Scott Ferrall's show Ferrall on the Bench, followed by late-night programming from CBS Sports Radio and then NBC Sports Radio. Weekend programs include Mortgage Makeover and various CBS Sports and NBC Sports Radio programming. Commonwealth Club is presented early Sunday mornings.