CKSB (AM)
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| City | St. Boniface, Manitoba (now incorporated into Winnipeg) |
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| Broadcast area | Winnipeg Capital Region |
| Branding | Ici Radio-Canada Première |
| Frequency | 88.1 MHz (FM) |
| First air date | May 27, 1946 (on 1050 AM) October 2013 (on 88.1 FM) |
| Format | Public broadcasting |
| ERP | 100,000 watts |
| HAAT | 223 meters (732 ft) |
| Class | C1 |
| Callsign meaning | Canada K St. Boniface |
| Former callsigns | CKSB (1946-2014) |
| Former frequencies | 1050 kHz AM (1946-2014) |
| Owner | Canadian Broadcasting Corporation |
| Sister stations | CBW, CBW-FM, CKSB-FM, CBWT, CBWFT |
| Website | Ici Radio-Canada Première |
CKSB-10-FM is a Canadian FM radio station, broadcasting at 88.1 MHz serving the Winnipeg Capital Region in Manitoba. It is owned by the Société Radio-Canada (CBC) and airs the Ici Radio-Canada Première network. It had been licensed to St. Boniface, which was a separate city until it was annexed by Winnipeg in 1971. 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 burned down in 1922. It originally broadcast on a frequency of 1250 kHz with a power of 1,000 watts. The antenna was originally located three miles from the studio, at Dawson Rd. It was the first francophone station west of Ontario. It also aired programming in Ukrainian, Polish, German, Portuguese, Hebrew and Italian.
Two 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. 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 used a directional antenna,sending its signal toward the north, in order to protect Mexican Class A station XEG near Monterrey.
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