Play Video
1
KNX AM 1070 1987 advertisement
KNX AM 1070 1987 advertisement
::2014/06/12::
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2
KNX 1070 AM Los Angeles Traffic and Weather
KNX 1070 AM Los Angeles Traffic and Weather
::2012/11/28::
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3
Los Angeles Renegade Rollergirls AM-KNX 1070 Heros Of The Week
Los Angeles Renegade Rollergirls AM-KNX 1070 Heros Of The Week
::2013/06/20::
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4
Nighttime AM DXing from Tampa - KNX Los Angeles  2152 miles
Nighttime AM DXing from Tampa - KNX Los Angeles 2152 miles
::2009/12/18::
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5
11/22/63 RADIO COVERAGE FROM KNX IN LOS ANGELES, CALIFORNIA
11/22/63 RADIO COVERAGE FROM KNX IN LOS ANGELES, CALIFORNIA
::2013/10/09::
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6
CBS KNX 1070 AM Hero of the Week Edwin Duterte | Pink Slip Mixers
CBS KNX 1070 AM Hero of the Week Edwin Duterte | Pink Slip Mixers
::2011/11/06::
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7
KNX 1070 Los Angeles (2010)
KNX 1070 Los Angeles (2010)
::2013/04/17::
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8
Cody Deal on KNX 1070 AM News Radio
Cody Deal on KNX 1070 AM News Radio
::2012/01/30::
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9
Kenwood R-1000 AM KNX 1070
Kenwood R-1000 AM KNX 1070
::2012/10/02::
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10
CAPE Earthquake Preparedness ad Video KNX 1070 Kate Long
CAPE Earthquake Preparedness ad Video KNX 1070 Kate Long
::2014/04/22::
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11
Malcolm interviewed on KNX-1070 AM
Malcolm interviewed on KNX-1070 AM
::2007/11/13::
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12
Call for Therapy - KNX 1070 AM Radio
Call for Therapy - KNX 1070 AM Radio
::2011/08/03::
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13
KNX Business Breakfast Series - Host Frank Mottek -Author Chester Elton "All In"
KNX Business Breakfast Series - Host Frank Mottek -Author Chester Elton "All In"
::2012/06/23::
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14
Tutorial: KNX-basierte Gebäudeautomation.
Tutorial: KNX-basierte Gebäudeautomation.
::2012/09/27::
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15
1070 KHz KNX Los Angeles, CA. | Medium Wave DX | Received on car radio in Michigan
1070 KHz KNX Los Angeles, CA. | Medium Wave DX | Received on car radio in Michigan
::2011/09/27::
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16
What does KNX mean for me?
What does KNX mean for me?
::2011/11/03::
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17
Laffter, Sweet and Profane - KNX Promotional Album for The Bob Crane Show (c. 1961)
Laffter, Sweet and Profane - KNX Promotional Album for The Bob Crane Show (c. 1961)
::2013/07/20::
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18
Gira Kinospot - KNX mit iPad und iPhone steuern
Gira Kinospot - KNX mit iPad und iPhone steuern
::2013/12/05::
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19
26.06.2013 - KNX-Golfevent Sempachersee "Ziel doch einfach mal auf das iPhone"
26.06.2013 - KNX-Golfevent Sempachersee "Ziel doch einfach mal auf das iPhone"
::2013/06/28::
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20
KNX Respect - IHHP
KNX Respect - IHHP
::2014/05/03::
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21
Chester Alton, Best-Selling Author "All In" at KNX Business Breakfast
Chester Alton, Best-Selling Author "All In" at KNX Business Breakfast
::2012/06/23::
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22
KNX Top Event 2010
KNX Top Event 2010
::2010/10/30::
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23
CEO Habib F. Balian talks Gold Line progress with Frank Mottek on KNX Business Hour - 1070 AM
CEO Habib F. Balian talks Gold Line progress with Frank Mottek on KNX Business Hour - 1070 AM
::2013/12/20::
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24
CiC Pro League 3rd Place Match - KNX vs Rea game 1
CiC Pro League 3rd Place Match - KNX vs Rea game 1
::2014/06/09::
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25
Knx."Wenilanded[WTT]"
Knx."Wenilanded[WTT]"
::2014/01/23::
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26
KNX - Drt,Dntkry,Urluhv
KNX - Drt,Dntkry,Urluhv
::2013/12/30::
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27
KNX and ETS Video Tutorial (in Polish)
KNX and ETS Video Tutorial (in Polish)
::2011/12/06::
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28
KNX-Planung mit DDS-CAD: Bidirektionale Schnittstelle zur ETS4
KNX-Planung mit DDS-CAD: Bidirektionale Schnittstelle zur ETS4
::2014/01/28::
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29
Trans Atlantic MW Dxing KNX, KKXA etc, Received In Scotland with Perseus SDR and Super Kaz Antenna
Trans Atlantic MW Dxing KNX, KKXA etc, Received In Scotland with Perseus SDR and Super Kaz Antenna
::2013/01/10::
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30
The Bob Crane Show / KNX-CBS Radio - Evening Show Lead-In / February 24, 1960
The Bob Crane Show / KNX-CBS Radio - Evening Show Lead-In / February 24, 1960
::2013/06/20::
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31
CiC Pro League Semi-Finals #2 - Sync vs KNX game 2
CiC Pro League Semi-Finals #2 - Sync vs KNX game 2
::2014/06/09::
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32
GIRA Homeserver #1 Grundeinrichtung KNX
GIRA Homeserver #1 Grundeinrichtung KNX
::2012/02/25::
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33
ahwlee x knx. - yaw.[late]91/ drt
ahwlee x knx. - yaw.[late]91/ drt
::2014/03/11::
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34
KNX Award 2010 - Ceremony
KNX Award 2010 - Ceremony
::2010/04/27::
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35
Christmastime at KNX News Radio
Christmastime at KNX News Radio
::2013/12/12::
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36
LARRY VAN NUYS ON KNX
LARRY VAN NUYS ON KNX
::2009/04/24::
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37
Knxwledge (Knx.) - Mygrl
Knxwledge (Knx.) - Mygrl
::2013/10/20::
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38
Knxwledge (Knx.) - thnktwceagin [bootlg]
Knxwledge (Knx.) - thnktwceagin [bootlg]
::2013/10/14::
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39
KNX EIB programmieren leicht gemacht Tutorial 01
KNX EIB programmieren leicht gemacht Tutorial 01
::2014/06/14::
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40
100203 KNX.mov
100203 KNX.mov
::2010/02/06::
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41
ayControl 3 KNX - Academy 1: Start an ayControl Project, add a KNX Connection
ayControl 3 KNX - Academy 1: Start an ayControl Project, add a KNX Connection
::2013/04/05::
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42
KNX control over IP
KNX control over IP
::2012/09/10::
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43
KNX : pilotage vocal depuis Android
KNX : pilotage vocal depuis Android
::2013/03/08::
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44
Вебинар АББ_ABB i bus KNX  Часть2. Групповые адреса и топология.
Вебинар АББ_ABB i bus KNX Часть2. Групповые адреса и топология.
::2013/11/29::
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45
The Mayor of Los Angeles, Eric Grcetti having a QnA session at KNX 1070 AM.
The Mayor of Los Angeles, Eric Grcetti having a QnA session at KNX 1070 AM.
::2013/10/25::
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46
MDT KNX Glastaster Beschriftungsfolie
MDT KNX Glastaster Beschriftungsfolie
::2013/11/18::
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47
KNX Forum Korea 2012
KNX Forum Korea 2012
::2012/03/12::
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48
The Bob Crane Show - KNX-CBS Radio / Interview with Jerry Lewis (c. 1965)
The Bob Crane Show - KNX-CBS Radio / Interview with Jerry Lewis (c. 1965)
::2014/03/16::
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49
Siemens-KNX-Jalousieaktor-Demonstration.AVI
Siemens-KNX-Jalousieaktor-Demonstration.AVI
::2011/10/28::
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50
The Bob Crane Show / KNX-CBS Radio (1956-1965) - A Day in the Life
The Bob Crane Show / KNX-CBS Radio (1956-1965) - A Day in the Life
::2014/04/26::
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From Wikipedia, the free encyclopedia
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This article is about the AM radio station. For other uses, see KNX (disambiguation).
KNX
KNX-logo.png
City of license Los Angeles, California
Broadcast area Greater Los Angeles
Branding KNX 1070 NEWSRADIO
Slogan Southern California's Only All-News Radio Station
All News, All The Time
Frequency 1070 kHz (also on HD Radio)
KAMP 97.1 FM HD-2 (simulcast)
First air date September 10, 1920 (as 6ADZ)
Format All-news
Language(s) English
Power 50,000 watts
Class A (Clear channel)
Facility ID 9616
Transmitter coordinates 33°51′35.1″N 118°20′59.2″W / 33.859750°N 118.349778°W / 33.859750; -118.349778 (KNX)
Callsign meaning Assigned sequentially on May 4, 1922; the callsign stood for the ANneX of Spring Street Arcade.[1]
Affiliations CBS Radio Network
Owner CBS Radio
(CBS Radio Stations, Inc.)
Sister stations KAMP-FM, KCAL-TV, KCBS-TV, KCBS-FM, KROQ-FM, KRTH, KTWV
Webcast Listen Live
Website KNX 1070

KNX 1070 NEWSRADIO, (1070 AM), is an all-news radio station located in Los Angeles, California, United States. The station is owned by the CBS Radio subsidiary of CBS Corporation. KNX operates on a clear channel frequency, and is one of the original clear-channel stations allocated under the 1928 U.S. band plan. KNX broadcasts from facilities shared with sister stations KCBS-FM, KTWV and KAMP-FM located on Los Angeles' Miracle Mile; its transmitter and antenna array site are located at Columbia Park in Torrance (northeast of the intersection of Hawthorne Boulevard and 190th Street). The station also broadcasts a HD Radio signal, streams online, and simulcasts on the FM band on the HD2 channel of KAMP (97.1 FM).

History[edit]

KNX began as a five-watt amateur radio station, 6ADZ, which Fred Christian put on the air on September 10, 1920, broadcasting on a wavelength of 200 meters (1500 kHz). In December 1921, the station moved to 360 meters (833 kHz) and became KGC, sharing time with other stations that broadcast on the same frequency.[2] On May 4, 1922, the station increased power to 50 watts and became KNX. Power was raised to 100 watts in 1923. A year later, Fred Christian sold KNX to Guy Earle, owner of the Los Angeles Evening Express.[3]

During the 1920s KNX, like most stations across the country, changed frequencies several times, landing on 1050 AM as a result of the Federal Radio Commission's reconfigurations of the AM radio band in 1927 and 1928. In 1929, the station's transmitter was upgraded from 500 to 5,000 watts, and in 1932, was raised to 10,000 watts of power. During this time, the station changed owners and was then operated by the Western Broadcast Company. In 1933, the station moved its studios to another part of Hollywood, and was granted permission by the FCC to raise its output to 25,000 watts. The following year, KNX's transmitting power was raised to the nationwide maximum of 50,000 watts, which the station continues presently.[4] It changed to its current 1070 AM channel in 1941.

CBS purchased and began operating KNX as its West Coast flagship station in 1936, ending an eight-year affiliation with KHJ.[5] In 1938, the CBS Columbia Square studios[6] were dedicated for KNX as well as West Coast operations for the entire CBS radio network; that October, the station carried Orson Welles' celebrated version of The War of the Worlds (which KNX has aired every October 30 since). Several legendary performers from the Golden Age of American network radio broadcast from there, including Jack Benny, Bing Crosby, George Burns, Edgar Bergen,[7] and situation comedy star Bob Crane, who was KNX morning man between 1957 and 1965 at the same time he was appearing as a featured supporting player on the ABC television network's The Donna Reed Show.[8]

KNX was a strong competitor in the Los Angeles market while Crane was a morning personality, but began declining in popularity after he left to star in the CBS television series Hogan's Heroes. Following the example of corporate sister station WCBS in New York City, which had enjoyed renewed success with an all-news format, KNX then became an all-news station in the spring of 1968;[9] 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.[10][unreliable source]

In August 2005, KNX moved out of Columbia Square after operating there for 67 years, and began broadcasting from new studios in the Miracle Mile district on Wilshire Boulevard.[7]

In 2009, KNX adopted the slogan "All News, All the Time." It was previously used for 40 years by KFWB, KNX's historic rival in the news radio wars before both became sister stations through the 1995 merger of Westinghouse Electric (KFWB's owner) and CBS. KFWB's format change to news-talk in September 2009 now leaves KNX the only all-news outlet in the Los Angeles area, which is now emphasized in its alternate slogan, "L.A.'s only all-news radio station".

Antennas[edit]

The station's antenna array includes a tall main antenna (193.5 electrical degrees with an efficiency of 400.73 mV/m/kW at 1 km;[11] optimum and much better than average for a Class A station's main antenna, which has a minimum efficiency requirement of 362.10 mV/m/kW at 1 km[12]), and a shorter emergency antenna (145.5 electrical degrees with an efficiency of about 343 mV/m/kW at 1 km;[13] much better than average for a Class A's emergency antenna but inadequate for a Class A station's main antenna), with only one antenna being active at a time. An experiment in the late 1960s which utilized these antennae in a directional setup during the daytime, only, was abandoned and the emergency antenna was later relocated when much of the site was dedicated as a park in Torrance. The residential area to the south of the main antenna was formerly the site of the emergency antenna. The circa-1936 main antenna was replaced after it was destroyed by vandals on September 14, 1965. An unused 365-foot tower was brought in from KFAC-AM and was used while a new 494-foot tower was constructed. These two towers exist today with the 365-foot tower serving as an emergency antenna, having been relocated to the north of the main antenna, within the park. Non-directional Class A stations are expected, and are, with very few exceptions, required to have emergency antennae as these stations serve as regional EAS stations.

Broadcast schedule[edit]

Typical KNX HD information display

KNX features CBS News at the top of each hour. Traffic and weather reports are presented together every ten minutes on the "fives", (:05, :15, :25, :35, :45, :55). Business news from the station is at :10 and :40 past the hour and sports is featured at :20 and :50 past the hour. In addition to stories from their own correspondents, the audio portion of selected reports and weather forecasts from sister television stations KCBS-TV and KCAL-TV are heard on KNX.[citation needed]

The KNX Business Hour, hosted by Frank Mottek, airs at 1 p.m. weekdays and reviews the latest business news immediately following the close of the stock market. On weekends, Food News with Melinda Lee airs at 10 a.m. - 12 noon.[14] The CBS News Weekend Roundup and 60 Minutes also air on Saturday and Sunday, respectively.

On-air staff[edit]

Current on-air staff[15][edit]

Anchors
  • Bob Brill - weekend mornings (5 a.m.-12 p.m.)
  • Pat Haslam - weekend overnights (12-5 a.m.); also weekday overnight substitute anchor (12-5 a.m.)
  • Tom Haule - weekday middays (9 a.m.-1 p.m.)
  • Dick Helton - weekday mornings (5-9 a.m.)
  • Kim Marriner - weekend evenings (6 p.m.-12 a.m.); also weekday evening substitute anchor (7 p.m.-12 a.m.)
  • Vicky Moore - weekday mornings (5-9 a.m.)
  • Frank Mottek, "KNX Business Hour" - weekday afternoons (1-2 p.m.)
  • Linda Nunez - weekday middays (9 a.m.-1 p.m.)
  • Brian Ping - weekday overnights (12-5 a.m.)
  • Bill Polish - weekday evenings (7 p.m.-12 a.m.)
  • Diane Thompson - weekday afternoons (2-7 p.m.)
  • Chris Sedens - weekend afternoons (12-6 p.m.); also weekday afternoon substitute anchor (2-7 p.m.)
  • Jim Thornton - weekday afternoons (2-7 p.m.)

See also[edit]

References[edit]

  1. ^ Call Sign Letter Meaning[dead link][dead link]
  2. ^ http://www.oldradio.com/archives/general/buildbcb.html
  3. ^ Article by radio historian Jim Hilliker on http://laradio.com/ September 26, 2013.
  4. ^ Sakrison site
  5. ^ "Biggest station deal in history effected." Broadcasting, April 1, 1936, pp. 7, 62. [1][2]
  6. ^ Today in Radio History August 12 2005
  7. ^ a b KNX History[dead link] Archived 2009-08-15 by WebCite at
  8. ^ who2
  9. ^ knx1070 Our Heritage[dead link]
  10. ^ Wikipedia Robert Kennedy[unreliable source]
  11. ^ From FCC public information files.
  12. ^ From FCC rules, 47 CFR Part 73.
  13. ^ Calculated from the electrical height, using FCC formlulae.
  14. ^ http://articles.latimes.com/2010/mar/28/business/la-fi-himi-melindalee28-2010mar28
  15. ^ KNX News Team

External links[edit]

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