Sandhill Radio Group's CHR "Sunny 94.3" KSNA Rexburg/Idaho Falls, ID has shifted to 100.7 and relaunched as Adult CHR "100.7 My-FM". The move was necessitated by a pair of station upgrades locally as part of a larger frequency shuffle throughout the Intermountain West. The license of 99.1 KUPI was shifted to 100.7, while 94.3 upgraded