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| Broadcast area | Rainy River District, Ontario Koochiching County, Minnesota |
|---|---|
| Frequency | 93.1 MHz (FM) |
| Branding | 93.1 The Border |
| Programming | |
| Format | Classic hits |
| Affiliations | CBC Dominion (1944–1962) CBC Radio (1962–1963) |
| Ownership | |
| Owner |
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| History | |
First air date | AM: 1944 FM: 2002 |
Former call signs | CKFI (1944–1955) |
| Technical information | |
| Class | B |
| ERP | 21,000 watts |
| HAAT | 81.4 meters (267 ft) |
Transmitter coordinates | 48°36′10.0″N 93°26′52.0″W / 48.602778°N 93.447778°W |
| Links | |
| Webcast | Listen Live |
| Website | 931theborder.ca |
CFOB-FM is a classic hits formatted radio station licensed to Fort Frances, Ontario, Canada, serving the Rainy River District, Ontario, in Canada and Koochiching County, Minnesota, in the United States. CFOB-FM is owned and operated by Acadia Broadcasting.