WMSS

WMSS (91.1 FM, "Super 91") is a high school-operated high school radio station serving the Harrisburg, Pennsylvania, metropolitan area, licensed to Middletown and owned by the Middletown Area School District. The station serves as a training ground for high school students and offers a block format.
History.
On April 5, 1978, the Middletown Area School District was granted a construction permit for a new 8-watt radio station, which began broadcasting in September 1978.
Programming.
WMSS airs a variety of music formats.
On weekday mornings (from 6 AM to 3 PM), the station airs a unique hybrid of Soft Adult Contemporary/Easy Listening, mainstream Adult Contemporary, and Rhythmic Adult Contemporary formats, generally focusing on material from the 1960s to the 1990s, including very little post-2000 music. This programming segment features a high percentage of songs that were major or moderate hits from the 1970s through 1990s but are essentially "forgotten" today—hence the relatively high prevalence of easy listening songs, as this genre has been abandoned by mainstream AC stations.
After 3 PM on weekdays, and other afternoon times on weekends, the station broadcasts an alternative music format.
On Saturday mornings (from 7 AM - 12 PM, extended to 4 PM in the summer) and in select time slots on Sunday mornings, the station broadcasts an oldies format with general manager John Wilsbach as the DJ; this is known as the "All Oldies Saturday" and features material exclusively from the 1950s and 1960s, particularly prior to 1964. The station also airs live sports coverage of local high school athletics and church services.