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KOST
KOST (103.5 MHz) is a commercial radio station in Los Angeles, California. Owned by iHeartMedia, it broadcasts an adult contemporary radio format, switching to Christmas music in early November and ending a few days after Christmas Day (or after Christmas Day, if the holiday either falls on a Sunday or on a Monday). Its studios are co-located with its sister stations on West Olive Avenue in Burbank. KOST is the home of Ellen K, segments of whose morning show are syndicated to other iHeart AC stations on Saturday mornings.
The transmitter is atop Mount Wilson alongside most L.A. based television and FM radio stations. Those FM stations, along with KOST, are considered "superpower" grandfathered stations, since their effective radiated power (ERP) greatly exceeds the level set by the Federal Communications Commission for Class B FM stations at their height on Mount Wilson. KOST broadcasts using HD Radio technology. The HD2 digital subchannel rebroadcasts co-owned talk radio station KFI.
On August 8, 1957, the station first signed on as KGLA.
Noted radio programmer Gordon McLendon bought KGLA in 1966, changing the call letters to KADS that November. McLendon, with permission from the Federal Communications Commission, experimented with an all-advertisement format, hence the call sign choice. One of its features was that listeners could purchase their own commercials on KADS, not unlike classified advertising in a newspaper. FM radios were still not widely owned in the 1960s and the experimental format was not successful.
In October 1967, the station adopted the KOST-FM call sign, along with a substantially all-music format (i.e., no news bulletins), which was unusual, if not unique, given then-prevailing license obligations to broadcast at least some news. The station aired a mostly-instrumental beautiful music format paired with XETRA in Tijuana, to which McLendon had sales management rights. In 1975, Cox Communications purchased KOST to pair with its newly-bought KFI (640 AM). KOST, with its call sign pronounced "coast" in a stage whisper, continued its easy listening format through the 1970s. This popular format was also heard on rivals KJOI (98.7 FM) and KBIG (104.3).
In the early 1980s, KOST gradually added more vocals, and on November 15, 1982, the station switched to an adult contemporary format, signing on with "You Can Do Magic" by America as its first song. Former Sacramento radio personality Bryan Simmons was KOST's first host when the station signed on with its new format.
From 1985 until 2012, KOST has been using jingles from JAM Creative Productions, in which they have made 17 jingle packages for 27 years.
On February 3, 1986, Mark Wallengren and Kim Amidon made their debut as KOST's new morning hosts. The Mark & Kim Morning Show was one of the longest-running shows on Los Angeles radio, airing for more than 20 years until ending in 2007.
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KOST
KOST (103.5 MHz) is a commercial radio station in Los Angeles, California. Owned by iHeartMedia, it broadcasts an adult contemporary radio format, switching to Christmas music in early November and ending a few days after Christmas Day (or after Christmas Day, if the holiday either falls on a Sunday or on a Monday). Its studios are co-located with its sister stations on West Olive Avenue in Burbank. KOST is the home of Ellen K, segments of whose morning show are syndicated to other iHeart AC stations on Saturday mornings.
The transmitter is atop Mount Wilson alongside most L.A. based television and FM radio stations. Those FM stations, along with KOST, are considered "superpower" grandfathered stations, since their effective radiated power (ERP) greatly exceeds the level set by the Federal Communications Commission for Class B FM stations at their height on Mount Wilson. KOST broadcasts using HD Radio technology. The HD2 digital subchannel rebroadcasts co-owned talk radio station KFI.
On August 8, 1957, the station first signed on as KGLA.
Noted radio programmer Gordon McLendon bought KGLA in 1966, changing the call letters to KADS that November. McLendon, with permission from the Federal Communications Commission, experimented with an all-advertisement format, hence the call sign choice. One of its features was that listeners could purchase their own commercials on KADS, not unlike classified advertising in a newspaper. FM radios were still not widely owned in the 1960s and the experimental format was not successful.
In October 1967, the station adopted the KOST-FM call sign, along with a substantially all-music format (i.e., no news bulletins), which was unusual, if not unique, given then-prevailing license obligations to broadcast at least some news. The station aired a mostly-instrumental beautiful music format paired with XETRA in Tijuana, to which McLendon had sales management rights. In 1975, Cox Communications purchased KOST to pair with its newly-bought KFI (640 AM). KOST, with its call sign pronounced "coast" in a stage whisper, continued its easy listening format through the 1970s. This popular format was also heard on rivals KJOI (98.7 FM) and KBIG (104.3).
In the early 1980s, KOST gradually added more vocals, and on November 15, 1982, the station switched to an adult contemporary format, signing on with "You Can Do Magic" by America as its first song. Former Sacramento radio personality Bryan Simmons was KOST's first host when the station signed on with its new format.
From 1985 until 2012, KOST has been using jingles from JAM Creative Productions, in which they have made 17 jingle packages for 27 years.
On February 3, 1986, Mark Wallengren and Kim Amidon made their debut as KOST's new morning hosts. The Mark & Kim Morning Show was one of the longest-running shows on Los Angeles radio, airing for more than 20 years until ending in 2007.