sentences:  The station began broadcasting in 1991 as WPBK-FM with a satellite-fed country format from Unistar Radio Networks, and became WEFG-FM ("Frog") soon afterward.In 1995, WEFG-FM's format changed to a 1970s-based classic hits format (as "Eagle 97.5") satellite-fed from Westwood One.In 1999, Westwood One discontinued its 1970s hits format in favor of Rhythmic Oldies (tagged as "Groovin' Oldies"), and WEFG-FM continued with this format until switching back to country (as "Kickin' Country") in 2002 and then to sports in 2005.