KSEH, a Spanish Hits radio station known as Jose 94.5http://www.entravision.com/template.cfm?page=media&subpage=radio_detail&Media_ID=10&OrderBy=Market&direction=ASC&keyword=, is owned by Entravision Communications

Entravision Communications

Entravision Communications Corporation is a media company based in Santa Monica, California. Entravision primarily caters to the Spanish-speaking Hispanic community and owns television and radio stations and outdoor media, in several of the top Hispanic markets. They are the largest affiliate...

 and broadcasts a 50,000 watt signal located on the frequency of 94.5 FM to the Imperial Valley, Yuma

Yuma, Arizona

Yuma is a city in and the county seat of Yuma County, Arizona, United States. It is located in the southwestern corner of the state, and the population of the city was 77,515 at the 2000 census, with a 2008 Census Bureau estimated population of 90,041....

, Mexicali

Mexicali

Mexicali is the capital of the State of Baja California, seat of the Municipality of Mexicali, and 2nd largest city in Baja California. The City of Mexicali has a population of 689,775, according to the 2010 census, while the population of the entire metropolitan area reaches 936,826.The city...

 and San Luis Rio Colorado

San Luis Río Colorado

San Luis Río Colorado is a city and its surrounding municipality lying in the northwestern corner of the state of Sonora, Mexico.- Location :...

 areas. The city of license is Brawley, California

Brawley, California

Brawley is a city in Imperial County, California, United States. Brawley is located north of El Centro. The population was 24,953 at the 2010 census, up from 22,052 at the 2000 census. The town has a significant cattle and feed industry, and hosts the annual Cattle Call Rodeo. Year-round...

.

History
First went on the air in 1972 as KECY named for its partnership with the KECY television station, it had a rock and roll format until it switched to country/western and adopted a new call sign KWES or better known as "K-west" in 1982, but hadn't fully adopted "KWST" until 1990 when the famous L.A. based station KWST already seized operations. In 2000, KWST switched formats and call signs as KSEH.