CFOS-FM
CFOS-FM is an FM radio station broadcasting from Owen Sound, Ontario, Canada. The format is oldies, classic adult contemporary, classic hits music, and news, and is branded as 89.3 CFOS. CFOS is owned and operated by Bayshore Broadcasting of Owen Sound.
History
The station originally began broadcasting on March 1, 1940 on 1370 kHz, and changed frequencies to 1400 kHz on March 29, 1941 and again to 1470 kHz in 1947. In 1958, CFOS again changed frequencies from 1470 to its current frequency of 560 kHz.CFOS was a network affiliate of CBC Radio's Dominion Network until 1962 and then affiliated with the main CBC Radio network for two decades until 1983 when CBCB-FM launched.
On June 21, 1978, CFOS opened a semi-satellite station CFPS at Port Elgin. CFPS was given approval by the Canadian Radio-television and Telecommunications Commission in 2005 to convert to 97.9 MHz.
In 1994, CFOS applied to operate a new rebroadcaster at Collingwood on the frequency 1610 kHz. That application was denied on March 8, 1995.
In 2007, CFOS applied to add an FM signal on 96.1 MHz to rebroadcast the AM signal; the CRTC denied this application in February 2008.
On January 17, 2024, Bayshore Broadcasting applied to the CRTC to convert CFOS to 89.3 MHz with an effective radiated power of 1,500 watts. Bayshore Broadcasting received CRTC approval to move CFOS from the AM band to the FM band on October 31, 2024.
The station began a transitional simulcast on FM on August 1, 2025; the AM signal continued broadcasting until October, 31, 2025.