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City Billings, Montana
Broadcast area Billings Metropolitan Area
Branding 105.1 Star FM
Slogan Billings Soft Rock
Frequency 105.1 MHz
First air date 1998 (as KBEX)
Format Adult contemporary
ERP 6,000 watts
HAAT 100 meters (330 ft)
Class A
Facility ID 76918
Transmitter coordinates 45°45′54″N 108°27′20″W / 45.76500°N 108.45556°W / 45.76500; -108.45556Coordinates: 45°45′54″N 108°27′20″W / 45.76500°N 108.45556°W / 45.76500; -108.45556
Former callsigns KBEX (1998-2003)
KNDZ (2003-2005)
KQBL (2005-2011)
Owner Radio Billings, LLC
Sister stations KRSQ, KEWF

KYSX is a commercial radio station licensed to Billings, Montana, United States, broadcasting on 105.1 FM. It was owned by BMG Billings, LLC, but is now owned by Radio Billings, LLC.[1]


Prior to December 2, 2008, it was an adult hits station known as "Bill FM". It was launched on May 15, 1998 as adult album alternative Classic Hits 105-1 KBEX. It later changed to the rock format, first as 105-1 The Blitz, then as 105.1 The End in 2003 under the new call letters KNDZ. It switched to KQBL "105-1 Bill FM" on August 26, 2005, and later became Billings' Sports Station "ESPN 105.1". On March 4, 2011 KQBL changed its call letters to KYSX. On March 21, 2011, the station changed its format from ESPN Radio to classic rock, branded as "105 The X". The station was labeled as 105 the X, and features no local DJs, just classic rock music all day long. The station's name was modeled after KRKX-FM's old nickname "The X" when KRKX-FM was Billings's Classic rock station prior to its current country format.

On December 17, 2012 KYSX changed its format to classic country, branded as "Twang 105.1" operated by Anthony Media (who also operates MOJO 92-5),[2] with a focus of country music from the 1970s, 1980s and 1990s. Live Morning Show includes market veterans Jeff Howell and Matt Brubaker. On June 25, 2014 Twang 105 began simulcasting on 107.5 FM thus ending the four-year run featuring Adult Contemporary music as "Magic 107.5". On July 3, 2014 Twang 105 completed the move to FM 107.5 with 100,000 watts, and the New K-Rock 105 debuted at FM 105.1. Both stations are operated by Anthony Media. In February 2015 it was announced that the Michael and Kaitlyn Show would make the move to the new K Rock.

On November 12, 2015 KYSX changed its format from rock to Christmas music branded as "Santa 105.1" "The Christmas Station" with this change the "Michael and Kaitlyn Show" ended its short run.

On December 31, 2015 KYSX changed formats from Christmas music to Contemporary Christian music branded as "Crossroads 105.1", "Billings Christian Music Station" using the broadcast services of the Salem Music Network.

On January 1, 2018 KYSX changed format from Contemporary Christian music to adult contemporary and was rebranded as "Classy 105.1" Featuring The Ashley and Brad show in the morning, John Tesh, and more.[3]

On May 28, 2018 KYSX was rebranded as "105.1 Star FM" and still playing adult contemporary and light rock music.<ref>KYSX Rebrands as 105.1 Star FM Radioinsight - June 5, 2018</ref4>


KYSX CLASSY105.1 logo.png


  1. ^ "Station Information Profile". Arbitron. Spring 2010. Archived from the original on 2010-03-01. Retrieved 2011-05-26. 
  2. ^
  3. ^ Billings Gets Classy Radioinsight - February 6, 2018

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