Complex sentence: Now known colloquially as "Sunny 105.9" whitch has a 60,70 and 80's Oldies/Classic Hits "aka greatest hits" format concentrating primarily on music released from 1964 to 1989 similar the format used by sister station WCBS-FM in New York.
Split into simpler sentences: Now known colloquially as "Sunny 105.9" whitch has a 60,70 and 80's Oldies/Classic Hits "aka greatest hits" format concentrating primarily on music released from 1964 to 1989. It is similar the format used by sister station WCBS-FM in New York.