KMXR (93.9 FM, "Big 93.9") is a radio station licensed to Corpus Christi, Texas.

[2] It broadcasts a classic hits format, switching to Christmas music for much of November and December, and is owned by iHeartMedia, Inc.[3] The studios and offices are on Old Brownsville Road near the Corpus Christi International Airport.

[4] In the late 1960s, the station got its construction permit and was built by Col. Vann M. Kennedy, a pioneer Texas broadcaster.

It played quarter-hour sweeps of soft, instrumental music, with Broadway and Hollywood show tunes.

The station was assigned the call letters KSTE on December 2, 1985, upon its sale to American Wireless Company.