KOST
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| City | Los Angeles, California |
|---|---|
| Broadcast area | Greater Los Angeles |
| Branding | KOST 103.5 |
| Slogan |
Helping You Feel Good. The Best Mix Of The '80s, '90s, and Today |
| Frequency | 103.5 MHz (also on HD Radio) |
| First air date | 1957 |
| Format |
Mainstream AC Christmas music (November-December) HD2: KFI Talk Radio |
| Audience share | 5.2  (January 2017, Nielsen Audio[1]) |
| ERP | 12,500 watts |
| HAAT | 949 meters (3,114 ft) |
| Class | B |
| Facility ID | 34424 |
| Callsign meaning | KOaST (stands for COAST, as in West Coast) |
| Former callsigns | KGLA (1957-1966) KADS (1966-1968) |
| Owner |
iHeartMedia (AMFM Broadcasting Licenses, LLC) |
| Sister stations | KBIG, KFI, KRRL, KIIS-FM, KLAC (AM), KEIB, KYSR |
| Webcast |
Listen Live Listen Live (aac) |
| Website | kost1035.com |
KOST (103.5 MHz, KOST 103.5) is a commercial FM radio station licensed to Los Angeles, California. KOST is owned by iHeartMedia, Inc. and airs a Mainstream AC radio format. It is one of three Adult Contemporary-based formatted radio station in the Los Angeles/Orange County area, along with co-owned Hot AC KBIG and CBS Radio-owned Smooth AC/Urban AC KTWV. KOST broadcasts all-Christmas music from mid-November to December 25th each year. The station is one of the top rated radio stations in Los Angeles and one of the top revenue billing radio stations in the United States. KOST's website is among the most visited Adult Contemporary radio station websites in America. The KOST call sign is usually pronounced "Coast" on the air, as in "West Coast."
KOST has studios and offices, along with iHeart's other L.A. stations, on West Olive Avenue in Burbank. 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 Class B FM radio stations, since their effective radiated power greatly exceeds the level the FCC sets for Class B FM stations at the height on Mount Wilson.
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Wikipedia