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| Broadcast area | San Francisco Bay Area |
|---|---|
| Frequency | 740 kHz |
| Branding | All News 106.9 and AM 740 KCBS |
| Programming | |
| Format | All-news radio |
| Affiliations | |
| Ownership | |
| Owner |
|
| KFRC-FM, KGMZ-FM, KITS, KLLC, KRBQ | |
| History | |
First air date | December 9, 1921; previous experimental operations took place from 1909 to 1921 |
Former call signs | KQW (1921–1949) |
Call sign meaning | Columbia Broadcasting System, the former legal name of former owner CBS Corporation |
| Technical information[1] | |
Licensing authority | FCC |
| Facility ID | 9637 |
| Class | B |
| Power | 50,000 watts |
Transmitter coordinates | 38°8′23″N 122°31′45″W / 38.13972°N 122.52917°W |
| Repeater(s) | 106.9 KFRC-FM (San Francisco) |
| Links | |
Public license information | |
| Webcast | Listen live (via Audacy) |
| Website | www |
| Site of World's First Broadcasting Station | |
|---|---|
| Designated | January 14, 1983 |
| Reference no. | 952[2] |
KCBS (740 kHz) is an all-news AM radio station located in San Francisco, California. It is owned by Audacy, Inc. (formerly Entercom), which took over after its merger with CBS Radio.
KCBS formerly shared its Battery Street studios with CBS owned-and-operated television station KPIX-TV 5. The transmitter site is located in Novato. Its programming is simulcast on co-owned 106.9 KFRC-FM plus that station's HD1 digital sub-channel.[3] It is Northern California's primary entry point station for the Emergency Alert System.
KCBS operates with a transmitter output of 50,000 watts, and during the daytime can be regularly received as far north as Red Bluff and Hopland and south as far as San Luis Obispo. In good conditions it is also heard as far north as Redding and south to Santa Maria. At night, the station employs a directional antenna, primarily sending its signal to the southeast, in order to protect CFZM in Toronto, the dominant Class A station on the 740 kHz clear-channel frequency. Even with this restriction, KCBS's nighttime signal reaches a large slice of the Western United States with a good radio. This includes almost all of California, as far south as Los Angeles and San Diego. On rare occasions "DXers" (hobbyists who listen for distant stations) have reported receiving KCBS across the Pacific Ocean, and in Hawaii and Alaska.[4]
In addition to over-the-air broadcasts, KCBS audio is webcast with live streaming audio around the clock. The station's live stream was also available through TuneIn and most streaming audio apps until August 1, 2018, when it was pulled from all streaming media sources except the Radio.com mobile app (now Audacy) where it is now available exclusively; in October 2019, it was one of the test stations for the app's new "Radio.com Rewind" feature, where the last 24 hours of KCBS programming can be accessed on-demand.
- ^ "Facility Technical Data for KCBS". Licensing and Management System. Federal Communications Commission.
- ^ Cite error: The named reference
Parkswas invoked but never defined (see the help page). - ^ "HD Radio Guide: San Francisco, California" Archived January 19, 2018, at the Wayback Machine (hdradio.com)
- ^ Mariners have also reported hearing KCBS on Marine VHF radio channel 22 on incorrectly configured receivers: "Getting AM radio stations on VHF Radio" (forum thread), June 25, 2010 (sailnet.com)