The station began broadcasting on September 9, 1970 as KWED-FM, until 1985. Prior to its debut as KSMG in 1985 with an oldies format, they were originally known as KWED-FM. 105.3 made the switch to AC in 1996 after Cox bought rival station KONO-FM. KSMG's playlist currently consists of AC hits from the 1990s through present day. During the early 2000s KSMG would air 80s and 90s remixes from the club PolyEster's. On May 22, 2007 morning co-host Jay Charles exited as his contract expired. Weekender Joe Caruso joined former co-host Karen Clauss for The New Joe & Karen Magic Morning Show. On July 10, 2008 KSMG added The John Tesh Radio Show On May 4, 2009 afternoon talent Katrina Curtiss moved to mornings, replacing Joe Caruso and Karen Clauss. Adam Michaels took over the morning show on September 5, 2011, while Curtiss moved back to afternoons. On November 22, 2010 KSMG flipped to all-CHRISTMAS music. On November 3, 2011 The Daryn Kagan Show was launched replacing The John Tesh Radio Show. Laurie Pearson Joins KSMG on July 3, 2012. In early 2012 Chris Garcia died. On November 9, 2012 Katrina Curtiss left KSMG due to job cuts at Cox Media Group. In early 2013 Leigh Nash replaced Laurie Pearson in the weekday 3pm-8pm timeslot. In mid 2013 Jenny Lee replaced Leigh Nash in the weekday 3pm-7pm timeslot and Robin Flores is added to the weekday 7pm - 12am timeslot. In October 2013The Adam & Jenny Magic Morning Show premiered. In July 1994 Pat Evans was named Program Director of KSMG. This led to a lineup that included The Sonny Melendrez and Friends Morning Show, which included Megan Bishop as sidekick and traffic reporter along with news by San Antonio Spurspublic address announcer Stan Kelly. The remainder of the broadcast day included Megan Bishop continuing after the morning show into a late morning time slot followed by Mike Roberts in the afternoon drive time slot and Ruben O Garcia in the evenings. In 1996 as Magic 105.3 was gaining in popularity a change in the on air lineup was made. The Sonny Melendrez Morning Show stayed intact. Megan Bishop's Post morning show was shortened to two hours. Mike Roberts was moved into the mid-day time slot, and newcomer Darla Thomas was brought in for afternoon drive time and music director duties. Mark Velasco and Drew Michaels replaced Ruben O Garcia in the evening time slot and introduced the 80's at 8 segment featuring songs that defined that era of music. Darla Thomas and Drew Michaels would move on to KZPT - Tucson in 1998. After several years at the bottom of the radio ratings, Magic 105.3 broke into the top 3 most listened to stations in San Antonio giving serious threat to its sister station 99.5 KISS-FM In early 2014 Doug Bennett left KSMG. In April 2014, Mediabase added KSMG to its Hot AC panel, reflecting its shift away from an AC direction.
