CIOC-FM

CIOC went on the air for the first time in 1955 as CKDA-FM, rebroadcasting the signal of then-AM sister CKDA on 370 watts of power, with both stations owned by Capital Broadcasting System Ltd. The original transmitter was located in the "rack-room" of CKDA's studios. The FM transmitter was the studio transmitter link to the AM transmitter site on Chatham Island.

In compliance with revised broadcaster regulations regarding simulcasting CKDA-FM became CFMS-FM at 6:00 PM on March 21, 1965[2] and began broadcasting separate programming, an easy listening format between noon and midnight seven days a week before later going to an 18-hour-a-day schedule (7:00 a.m. to 1:00 a.m.) in May 1966[3] and then to 24-hour-a-day broadcasting. In later years, CFMS switched to a mixed format of adult contemporary music (from 6:00 AM–7:00 PM weekdays and 6:00 AM–6:00 PM weekends) and easy listening instrumentals (in the evenings and overnight).

On September 1, 1995, Capital Broadcasting sold CKDA and CFMS, with CKDA going to OK Radio Group, the owners of CKKQ-FM, and CFMS picked up by CJVI (owned by Rogers Communications). On December 11, CFMS changed to its current full-time adult contemporary format and changed its name to the current CIOC.

On March 25, 2010, CIOC was denied by the CRTC to add a new FM transmitter at Saltspring Island. If the application was approved, the new transmitter at Saltspring Island would have broadcast on 98.5 MHz, the same frequency as CIOC's main transmitter in Victoria.[4] On September 13, 2010 the station reapplied to add a repeater at Saltspring Island and received Canadian Radio-television and Telecommunications Commission approval on February 23, 2011.[5]

• Ocean 98.5
• CIOC-FM history – Canadian Communications Foundation
• CFMS/CIOC history at Vancouver Radio Museum
• CIOC-FM in the REC Canadian station database