 The station has been on the air since September 10, 1947.It originally broadcast at 1400 AM as CKCL then to 600 in 1956, and received CRTC approval to move to 99.5 FM in 2001 after shutting down the AM 600 frequency.CKTY was formerly the callsign of a now-defunct AM radio station out of Sarnia, Ontario, which moved to the FM dial and is now CHKS-FM.