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For the railroad whose reporting mark is KBSR, see Kankakee, Beaverville and Southern Railroad.
City Laurel, Montana
Broadcast area Billings Metropolitan Area
Branding Big Sky Radio
Frequency 1490 kHz (silent)
First air date 1979
Format News Talk Information
Power 1,000 watts unlimited
Class C
Facility ID 5297
Transmitter coordinates 45°39′11″N 108°45′9″W / 45.65306°N 108.75250°W / 45.65306; -108.75250Coordinates: 45°39′11″N 108°45′9″W / 45.65306°N 108.75250°W / 45.65306; -108.75250
Callsign meaning K Big Sky Radio
Former callsigns KBSO (1987-1989)
KFBN (1989-1990)
Affiliations ABC Radio, Westwood One
Owner Sun Mountain, Inc.
Sister stations KHDN, KYLW
Website KBSR Online

KBSR (1490 AM, "Big Sky Radio") is a radio station broadcasting a News Talk Information format. Licensed to Laurel, Montana, USA, the station serves the Billings, Montana, area. The station is currently owned by Sun Mountain, Inc. and features programming from ABC Radio and Westwood One.[1]


The station was assigned the call letters KBSO on July 10, 1987. On June 16, 1989, the station changed its call sign to KFBN, then again on September 3, 1990 to the current KBSR.[2]


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