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City of license St. Boniface, Manitoba
Broadcast area Manitoba
Branding Ici Radio-Canada Première
Frequency 88.1 MHz (FM)
First air date May 27, 1946
Format Public broadcasting
ERP 100 kW
HAAT 223 m
Class C1
Callsign meaning Canada K St. Boniface
Former callsigns CKSB (1946-2014)
Former frequencies 1050 kHz (AM (1946-2014)
Owner Canadian Broadcasting Corporation
Website Ici Radio-Canada Première
CKSB Building on Rue Langevin, St. Boniface, Manitoba

CKSB-10-FM is a Canadian radio station, broadcasting at 88.1 FM in Winnipeg, Manitoba. It is an affiliate of Radio-Canada's Ici Radio-Canada Première network. It is licensed to St. Boniface, which was a separate city until it was annexed by Winnipeg in 1999. Studios are located on Rue Langevin in St. Boniface.


CKSB-AM signed-on at 6 p.m. on May 27, 1946 as a French-language commercial station, broadcasting from 607 College St. in St. Boniface. The building site was originally part of the St. Boniface College that burnt down in 1922. It originally broadcast on a frequency of 1250 kHz with an ERP of 1,000 watts. The antenna was originally located three miles from the studio, at Dawson Rd.[1] It was the first francophone station west of Ontario. It also aired programming in Ukrainian, Polish, German, Portuguese, Hebrew and Italian.

Two rebroadcast AM rebroadcast transmitters were added in the late 1960s — CBXF (Ste. Rose du Lac, now CKSB-1-FM at 92.9 FM) on February 1, 1968 and CBKB (St. Lazare, now CKSB-2) on March 12, 1969. Both stations operated on the 860 kHz frequency.[2] Ste. Rose du Lac has now moved to 92.9 MHz. In 1958, the station moved to 1050 AM and boosted its power to 10,000 watts at all times. During the day, the station broadcast with a relatively omnidirectional pattern, but at night, it reduces power and redirects its signal toward the north, in order to protect Mexican station XEG-AM near Monterrey.[3]

The station was independently owned and operated until 1973, when the CBC/Radio-Canada network purchased the station to expand its French network service.

On March 16, 2006, the Canadian Radio-television and Telecommunications Commission (CRTC) approved an application by the station to implement a "nested" city-grade 2.8 kW FM rebroadcaster at 90.5 MHz in Winnipeg itself, "CKSB-10-FM", to simulcast the AM programming heard on 1050 kHz.[4] This FM signal was set up due to address reception problems in parts of Winnipeg.

In September 2012, the CBC applied to replace both CKSB's AM transmitter (1050) and its nested FM repeater (90.5) with a new 100 kW FM signal on 88.1 MHz.[5] This application was approved by the CRTC on March 18, 2013.[6] The station began simulcasting in October 2013, then ceased operation on AM 1050 and 90.5 FM on January 3, 2014.[7]

The station is currently broadcasting under the callsign of its now-former Winnipeg translator, CKSB-10-FM,[8][citation needed] as "CKSB-FM" is already used for Radio-Canada's Ici Musique outlet at 89.9 MHz.


CKSB has rebroadcast transmitters in the following communities:

Call sign Frequency City of License
CKSB-1-FM 0092.9 FM Ste. Rose du Lac[9]
CKSB-2 0860 AM St. Lazare
CKSB-3-FM 0093.7 FM The Pas
CKSB-4-FM 0099.9 FM Flin Flon
CKSB-5-FM 0099.9 FM Thompson
CKSB-6-FM 0102.7 FM Dryden, Ontario
CKSB-7-FM 0093.5 FM Kenora, Ontario
CKSB-8-FM 0099.5 FM Brandon
CKSB-9-FM 0089.1 FM Fort Frances, Ontario

See also[edit]


  1. ^ "French Radio Plans First Airing May 27". Winnipeg Tribune. May 21, 1946. p. 10. 
  2. ^ "Microwave Hook-Up Gives North Live TV". Winnipeg Free Press. April 29, 1969. p. 28. 
  3. ^ Radio-Locator: CKSB-AM
  4. ^ [1]
  5. ^
  6. ^ Broadcasting Decision CRTC 2013-130, CKSB Winnipeg – Conversion to the FM band, CRTC, March 18, 2013
  7. ^
  8. ^ Winnipeg dial guides
  9. ^ Broadcasting Decision CRTC 2003-508

External links[edit]