Complex sentence: This eclectic format was on the air for about 10 months, when "Y93" (Young Country) signed on in late 1992 and was one of three country radio stations heard in the Las Vegas area.
Split into simpler sentences: This eclectic format was on the air for about 10 months, when a country music format began as "Y93 (Young Country)," signing on in late 1992. Y93 was one three country radio stations heard in the Las Vegas area.