CBOF-FM

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CBOF-FM
City of license Ottawa, Ontario
Broadcast area National Capital Region
Eastern Ontario
Branding Radio Premiere Chaine
First air date 1991 (in FM)
Frequency 90.7 MHz FM
Format news radio, various music
ERP 84 kW
Class C1
Owner Radio-Canada (CBC)
Website www.radio-canada.ca/ottawa

CBOF-FM is a French-language Canadian radio station located in Ottawa, Ontario.

Owned and operated by the (government-owned) Canadian Broadcasting Corporation (French : Société Radio-Canada), it broadcasts on 90.7 MHz with an effective radiated power of 84,000 watts (class C1) using an omnidirectional antenna.

The station has an ad-free news/talk format and is part of the La Première Chaîne network, which operates across Canada.

The station was previously known (before 1991) as CBOF when it was on the AM band on 1250 kHz. Its sister station, which used the CBOF-FM calls before that date, is now known as CBOX-FM.

While CBOF-FM broadcasts in mono, like all La Première Chaîne stations but unlike most FM stations, it is the only CBC talk radio station to have ever broadcast in stereo. This occurred between 1984 and 1987, when the station was still on AM, as CBOF was selected to test all four AM stereo systems (C-QUAM, Kahn/Hazeltine, Harris and Magnavox) proposed at the time.

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