KBLA
| City | Santa Monica, California |
|---|---|
| Broadcast area | Greater Los Angeles Area |
| Branding | Radio Esperanza 1580 AM |
| Frequency | 1580 kHz |
| First air date | 1947 |
| Format | Spanish Religious |
| Power | 50,000 watts night 50,000 watts day |
| Class | B |
| Facility ID | 34385 |
| Transmitter coordinates | 34°5′8″N 118°15′24″W / 34.08556°N 118.25667°WCoordinates: 34°5′8″N 118°15′24″W / 34.08556°N 118.25667°W |
| Former callsigns | KOWL (1947-1956) KDAY (1956-4/5/1991) |
| Owner |
Multicultural Broadcasting (Multicultural Radio Broadcasting Licensee, LLC) |
| Website | Multicultural Broadcasting Website |
KBLA (1580 AM) is a radio station licensed in Santa Monica, California, with a Spanish religious radio format as Radio Esperanza 1580 AM. It broadcasts at 1580 kHz with 50,000 watts day and night. Most of this station's signal is dumped over the Pacific Ocean to avoid interference with KQFN (ex-KNIX) 1580 in Phoenix Arizona, which also operates with 50,000 watts day & night as authorized by the FCC. Consequently, the station is heard on a regular basis in Hawaii, via AM nighttime skip. Neither KBLA nor KQFN is considered a clear-channel station because they are classified as Class B using directional antennas.
Originally, the facility was daytime-only, beginning operation July 30, 1947, as KOWL on 1580 kHz with 5 KW power. It was owned and operated by Arthur H. Croghan.
Later, with the call letters KDAY, it first played pop music, and then, in 1968, switched to a soul/R&B format. In the late 1960s, the station received approval from the FCC to operate at night. The studio and transmitter site were moved to a new facility on North Alvarado St. north of downtown L.A. At this time, it switched to a Top 40 format, then around 1972, went to an album rock format, designed by Bob Wilson, who would later launch the media magazine Radio & Records. However, in January 1974, KDAY returned to its soul roots, and became a highly successful AM R&B radio station during the mid-to-late 1970s, as "1580 K-DAY."
In the early 1980s, the original KDAY was the first radio station in Los Angeles area to play the new hip-hop music, thanks to KDAY's new program director and DJ Gregory "Greg The Mack Attack" MacMillan. Def Jam acts such as Run-DMC, The Beastie Boys, Whodini, The Fat Boys, and Public Enemy became popular in the United States; KDAY brought their sounds to a new audience on the West Coast. In the late 1980s, it was the first station to introduce N.W.A, a rap group that has the fusion of both Ice-T's gangster energetic rhymes and Public Enemy's political radicalness.
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