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City of license Ottawa, Ontario
Broadcast area National Capital Region and Eastern Ontario
Branding CBC Radio One
Slogan Totally Ottawa
Frequency 91.5 MHz (FM) [1]
First air date 1924
Format public broadcasting
ERP 84,000 watts
Class C1
Callsign meaning Canadian Broadcasting Corporation Ottawa
Former callsigns CNRO (1924-1933)
CRCO (1933-1937)
Owner Canadian Broadcasting Corporation
Sister stations CBOF-FM, CBOQ-FM, CBOFT, CBOT

CBO-FM is a Canadian radio station. It is the CBC Radio One station in Ottawa, airing at 91.5 FM, and serves much of Eastern Ontario through a network of relay transmitters.



CNRO was launched in 1924 as a Canadian National Railway radio network station. It operated on AM 690 and later switched to 600. In 1933, the station was taken over by the CBC's predecessor, the Canadian Radio Broadcasting Commission and became CRCO on 880 kHz AM. The call sign changed to CBO in 1937 when ownership was transferred to the CBC. Later frequency changes to 910 in 1941 and to 920 in 1977 (the latter accompanied by a power boost to 50,000 watts) were followed by a move from the AM to the FM band at 91.5 in 1991. The call sign of the existing CBO-FM station on 103.3 (part of the CBC Stereo network) was then changed to CBOQ-FM. From 1924, the station's studio's were located in the towers and upper floors of the Chateau Laurier Hotel in downtown Ottawa, a legacy of CBO origins with the Canadian National Railway which also owned the hotel. In 2004, the station left the Chateau Laurier, ending the oldest operating radio studios in Canada, and moved to the new CBC Ottawa Broadcast Centre on Sparks Street as part of a merger of various Ottawa CBC facilities.

Local programming

The station's local programs are Ottawa Morning in the mornings and All in a Day in the afternoon. However, most of the relay transmitters air the Toronto-originated Ontario Morning in place of Ottawa Morning. Unlike most CBC Radio One stations, which air provincewide morning programs on Saturdays and Sundays, the station also produces its own Saturday morning show, In Town and Out.

In addition, CBO produces Bandwidth, a music show which airs on all CBC Radio One stations in Ontario outside of Toronto, the regional noon news and talk program Ontario Today, which airs on all CBC Radio One stations in Ontario including Toronto, and the national network programs Fuse and The House.


Rebroadcasters of CBO-FM
City of license Identifier Frequency Power Class RECNet CRTC Decision
Brockville CBOB-FM 106.5 FM 3,000 watts A Query 2007-399
Cornwall CBOC-FM 95.5 FM 3,000 watts A Query
Deep River CBLI 1110 AM 40 watts LP Query
Kingston CBCK-FM 107.5 FM 100,000 watts C1 Query 98-42
Maniwaki, Quebec CBOM 710 AM 40 watts LP Query 86-21
Pembroke CBCD-FM 92.5 FM 100,000 watts C1 Query 94-932
Whitney CBCW-FM 98.5 FM 162 watts A1 Query


External links



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