Latino Radio Gaining Popularity and Scrutiny
Popularity of Latino radio has soared in New York City in recent years, delighting owners of stations and making celebrities of talent on shows, but has brought increased scrutiny and heightened awareness of content and influence of programming; Marta Garcia, chairwoman of National Hispanic Media Coalition, says success has ended what used to be license for shows to do as they pleased, since they assumed they could get away with anything in belief that no one was really paying attention; coalition, which monitors inclusion and image of Latinos in media, is challenging federal license of WSKO-FM in New York City over racy content of talk show El Vacilon de le Manana; says show is not only crass and insulting, but violates FCC's regulations against indecency; Joseph A Garcia, executive vice president of Spanish Broadcasting System that owns station, defends program; says it is controversial in way Howard Stern is and that if it is successful it is because audience likes it; popularity of Spanish radio in recent years attests to rapid growth of Spanish-language radio audience as both city's and country's Hispanic population has exploded; photo (M)
