CJSS-FM is a Canadian radio station, which broadcasts at 101.9 FM in Cornwall, Ontario. The station broadcasts a classic hits (1970s, 1980s & 1990s) format branded as Boom 101.9. The station was launched in 1945 by the city's daily newspaper, the Cornwall Standard Freeholder, with the call sign CKSF. In 1957, the newspaper also launched CKSF-FM. Two years later, the stations were acquired by Stanley Shankman, the owner of CJSS-TV, and both changed their callsigns to CJSS as well. On February 15, 2011, CJSS-FM changed its format to classic hits, branded as "Greatest Hits 101.9 FM".