KXEW was owned and operated by Pan American Radio Corporation; J. Carlos McCormick was its president, CEO and majority shareholder.

The Spanish-language format featured traditional Mexican and Latin American music, with hourly newscasts as well as sports and social commentary segments throughout the day.

The directional antenna array was designed by and the station's studio, transmitter and phaser equipment installed by Oscar Leon Cuellar, who later became Arizona's first registered professional engineer with a broadcasting and communication specialization.

Oscar Stevens, Carlos McCormick, Ernesto Portillo, Lorenzo Palma, Tony Castro and Enrique Villegas had formerly worked at KEVT, Tucson's first all Spanish-language station.

KXEW was the first Arizona commercial radio station license granted to a corporation/person controlled and managed by an applicant of Mexican ancestry.