City Victoria, British Columbia
Branding Ocean 98.5
Slogan Victoria's Perfect Music Mix
Frequency 98.5 MHz (FM)
First air date 1955
Format Adult contemporary
ERP 100,000 watts
Callsign meaning C I OCean
Former callsigns CKDA-FM (1955-1965)
CFMS-FM (1965-1995)
Owner Rogers Media, a division of Rogers Communications
(Rogers Radio)
Sister stations CHTT-FM

CIOC-FM (identified on air as Ocean 98.5), is an FM radio station based in Victoria, British Columbia, broadcasting at 98.5 MHz and owned by Rogers Communications. Its format is adult contemporary.

The station placed 5th in the Spring 2012 BBM Ratings for Victoria.[1]


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 primary purpose of the FM station was as 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 AM-7 PM weekdays and 6 AM-6 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 (100.3 The Q), and CFMS picked up by CJVI 900 (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-FM was denied by the CRTC to add a new FM transmitter at Saltspring Island, British Columbia. If the application was approved, the new transmitter at Saltspring Island would have broadcast on 98.5 MHz, the same frequency as CIOC-FM’s main transmitter in Victoria.[4] On September 13, 2010 the station reapplied to add a repeater at Saltspring Island and received CRTC approval on February 23, 2011.[5]


  1. CFMS-FM ad from March 20, 1965 at the Vancouver Radio Museum
  2. CFMS-FM brochure from 1966 at Puget Sound Radio
  3. Broadcasting Decision CRTC 2010-180
  4. Broadcasting Decision CRTC 2011-123

External links

Coordinates: 48°25′17″N 123°30′40″W / 48.42139°N 123.51111°W / 48.42139; -123.51111

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