Infobox Radio Station
name = KNX

area = Los Angeles, California
branding = KNX 1070 Newsradio
airdate = September 10, 1920 (as 6ADZ)
frequency = 1070 kHz HD Radio
format = News/Talk
power = 50,000 watts
class = A
owner = CBS Radio
licensee = CBS Radio Stations, Inc.
webcast = [ Listen Live]
website = []
callsign_meaning = Although the call letters were assigned sequentially on May 4, 1922; the callsign stood for the ANneX of Spring Street Arcade. []
affiliations = CBS News
The Weather Channel
sister_stations =KCBS-FM, KFWB, KLSX, KROQ, KRTH, KTWV

KNX (1070 kHz) is an all-news radio station in Los Angeles, California, USA. The station operates on a clear channel and is owned by CBS Radio. KNX broadcasts from facilities shared with sister stations KFWB, KCBS-FM, KTWV, and KLSX on Los Angeles' Miracle Mile, and maintains its transmitter and antenna array site in Torrance northeast of the intersection of Hawthorne Boulevard and 190th Street. The station also broadcasts a high-definition HD Radio signal and streams online through its [ web site] .


KNX began broadcasting under the callsign 6 ADZ on September 20, 1920. [ [ KNX Site History] ] By 1922, the station was in competition with many other stations in the area, all sharing a single wavelength of 360 meters (roughly 833 kHz). The AM broadcast band had not been defined at the time, and stations were required to share frequencies [ [ Building the Broadcast Band] ] . The station became KNX on May 4, 1922 [ [ Brainy History] ]

In 1929, the transmitter of the station was upgraded to 5,000 watts, and in 1932, was raised to 10,000 watts of power. During this time, the station changed owners and was operated by Western Broadcast Company. A year later, in 1933, the station moved studios to another part of Hollywood, and was allowed to raise its power to 25,000 watts. The following year, the transmitting power was raised to 50,000 watts, which the station continues presently. [ [] ]

CBS radio began operating on KNX in 1936. In 1938, the CBS Columbia Square studios [ [ Today in Radio History August 12 2005] ] were dedicated for KNX as well as West Coast operations for the entire CBS radio network; several legendary performers from the Golden Age of American network radio broadcast from there, including Jack Benny, Bing Crosby, George Burns, Edgar Bergen, and during the early 1960s, actor Bob Crane.fact|date=August 2008

KNX became an all-news station in the spring of 1968; its first major breaking news coverage was of the assassination of Democratic Presidential candidate Robert F. Kennedy, in the Ambassador Hotel in Los Angeles, in June of that year.fact|date=August 2008

In August of 2005, KNX moved out of Columbia Square after 67 years of operations there, and began broadcasting from new studios on Wilshire Boulevard in an area known as the Miracle Mile. [ [ KNX History] ]

Broadcast Schedule

KNX features CBS News at the top of each hour. Traffic and weather are together on the fives, (example :05, :15, :25, :35, :45, etc). Business news from the station is at 10 and 40 past the hour and sports is featured at 20 and 50 past the hour. Several talk programs can be heard during the day. A list of programs can be found on the [ station's website] .


ee also

*CBS Columbia Square

External links

* [ KNX 1070]
* [ KNX Station History, Historical Dates]
* [ Farewell broadcast from Columbia Square]
* [ KCBS-TV video, KNX Columbia Square sign-off]
* [ KNX tour, on the site of Chief Engineer Paul Sakrison]

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