|City of license||Spanish Fork, Utah|
|Broadcast area||Salt Lake City, Utah|
|Slogan||Utah's Choice for Lite Rock|
|Frequency||106.5 (MHz) (also on HD Radio)|
|First air date||Early 1980s|
|HAAT||1,140 meters (3,700 ft)|
|Former callsigns||KQOL (1990-1994)
|Owner||Clear Channel Communications|
|Sister stations||KACP, KJMY, KNRS-FM, KODJ, KZHT|
KOSY-FM is a commercial radio station broadcasting to the Salt Lake City, Utah area on 106.5 FM. The station's city of license is Spanish Fork, Utah. KOSY airs an adult contemporary music format branded as "Today's 106.5". It was still one of the few remaining soft AC stations in the United States until going in a more mainstream direction in June 2009, when the station dropped the calls for its branding and identified it as "Today's 106.5." The station's transmitter is located west of Salt Lake City on Farnsworth Peak, and is owned by Citicaster Licenses.
KOSY-FM was originally broadcasting on 106.3, from a transmitter on Lake Mountain, closer to its current city of license (Spanish Fork). 106.5, broadcasting from Ogden at the time, was the original home of KBER which moved down the dial to 101.1, and relocated its transmitter to Farnsworth Peak. The station was then assigned the call letters KQOL on March 20, 1990, carrying an oldies format. On March 1, 1994, the station changed its call sign to KUJJ, bringing a country music format with it, which then led to another call sign flip on August 22, 1995 to KBKK, known as "K-Buck". On December 31, 1997 the current call letters, became KOSY. Before flipping to 106.5, KOSY was simulcast on what is now KEGH, Brigham City, Utah, to fill in the gaps created from Lake Mountain. KHTB and KKAT-FM suffer from the same signal problems to date. Most of KOSY-FM's programming has been automated since late 2000.
Programming on KOSY includes a local program hosted by "Fisher and Peggy," Donny Osmond's Eight Track Playback, Lori Bradley, Delilah, and several other local and voice tracked programs. Weekend special programming includes a Saturday night program dedicated to show tunes and a "Sounds of the Sabbath" program.
For the past two years, KOSY has laid claim to being among the first non-stunting stations in America to change over to Christmas music for the season, traditionally changing formats at midnight local time on November 1. They were first in 2006 upon changing on October 30, and in 2007, they were second, having been beaten by KCKC in Kansas City, Missouri by only a few hours (though WEXM had been stunting with Christmas music as the "in-between" format since October 8).KOSY again changed formats at midnight local time November 1, 2008, good for third place, this time behind classic hits WRIT-FM and hot AC WMYX-FM, two rival stations in Milwaukee; these stations changed on October 31 at 3:13 and 3:21 p.m. local time respectively. (WMVN in St. Louis changed on October 10 of that year but again, used the format as an in-between format between its format change.)
In 2009, due to November 1 landing on a Sunday, KOSY forewent their move and continued airing their usual "Sounds of the Sabbath" that day. It appears that the station had changed its mind and had decided to go with a more conventional time of changeover for 2009 until listener demand prompted an announcement on November 3 that "Christmas music is coming soon!"