It ceased broadcasting due to economic difficulties spurred by the launch of radio station KECH-FM, which was KSKI-AM-FM's first competitor in the Sun Valley area.
[4] The FCC granted the application on September 8, 1965; while KSKI was to go on air from Hailey on December 1,[5] it did not sign on until February 10, 1966.
[6] On February 1, 1969, Kent Frandsen became KSKI's general manager; four years later, he bought the station from Hagadone under the name Sun Valley Radio, Inc.,[7] for $1 plus the assumption of more than $41,000 in liabilities.
[11] KSKI-AM-FM were known for their eclectic mix of music programming, aiming to serve listeners in a market that had no other radio stations; the pair also gained a small but devoted audience in the larger Twin Falls area.
[15] Not long after, Silver Creek converted the operations of KSKI-FM to an automated service known as "The Mountain", programmed specifically for ski resort areas with special Sun Valley-specific inserts from its base at KZYR in Colorado.