|Broadcast area||Fort Smith, Arkansas|
|Branding||100.7 Nash FM|
First air date
|July 1, 1978 (as KXXI at 100.9)|
Former call signs
|100.9 MHz (1978–1993)|
Call sign meaning
KNSH (100.7 FM) is a radio station broadcasting a country music format. Licensed to Fort Smith, Arkansas, United States, it serves the Fort Smith area. The station is currently owned by Cumulus Media.
On January 2, 2013, the then-KLSZ-FM changed their format from mainstream rock to sports, with programming from CBS Sports Radio. Under KLSZ-FM's previous sports format, program director Josh Bertaccini hosted "The Red Zone with JB" weekdays from 7 to 9 am. He has worked for the Ticket since June 2011. The Jim Rome Show aired weekdays afternoons from 11 am to 2 PM, and Doug Gottlieb hosted afternoon drive.
On August 15, 2014, KLSZ-FM changed their format from sports to country, branded as "100.7 Nash Icon".
On October 31, 2016, KLSZ-FM rebranded as "100.7 Nash FM". The KNSH call letters were moved to Fort Smith on February 20, 2020, from a station in Canyon, Texas, whose license was about to be surrendered to the FCC.