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Frequency93.1 MHz
Branding93.1 The Buzz
FormatMainstream rock
AffiliationsLearfield Sports
OwnerJam Media Solutions, LLC
First air date
June 1, 1996 (as KWCC)
Former call signs
KWCC (1996-2005)
Call sign meaning
K MaC South (previously mirrorcasted with 94.7 as Mac FM)
Technical information
Facility ID47086
ERP4,400 watts
HAAT117 m (384 ft)
Transmitter coordinates
41°26′34″N 91°04′33″W / 41.44278°N 91.07583°W / 41.44278; -91.07583Coordinates: 41°26′34″N 91°04′33″W / 41.44278°N 91.07583°W / 41.44278; -91.07583
WebcastListen live

KMCS (93.1 MHz) is a commercial FM radio station licensed to Muscatine, Iowa and serving parts of Iowa and Illinois, including sections of the Quad Cities. It airs a mainstream rock format under the branding 93.1 The Buzz. The station is owned by Jam Media Solutions, LLC. The transmitter for KMCS is co-located with the transmitter of AM sister station KWPC in northwest Muscatine.

When not playing music, KMCS broadcasts Iowa Hawkeye Football.


Call sign history[edit]

The Muscatine allocation for 93.1 MHz signed on the air in June 1996 as KWCC, and switched to its current KMCS call sign on November 2, 2005.[1]

Formats of KMCS
Name (call signs) Format
93 Country (KWCC) Country (1996-2005)
Mac 93.1 FM (KMCS) Adult Hits (2005–2013)
Vintage Sound 93.1 (KMCS) Classic rock/Adult Album Alternative (2013–2019)
93.1 The Buzz (KMCS) Mainstream rock (2019–present)

93 Country[edit]

The former KWCC was branded as 93 Country from its inauguration in 1996 until 2005. During this time, the station played a country music format, and mixed modern country with classic country. Syndicated programming included "Colleen's Classic Country USA" and "The Crook & Chase Countdown."

Mac FM 94.7 - 93.1 (2005-2013)[edit]

In November 2005, the station switched to an adult hits format, along with Clinton-based sister station KZEG. Both stations were branded as "Mac FM," with the Muscatine station changing its call letters to KMCS (to stand for "Mac South"); KZEG switched its call letters to KMCN, to stand for "Mac North."[2] The music mix included rock, pop and soul music, generally from the early 1970s to the present day.

George Lowe was the radio voice for "Mac 93.1 FM."

Vintage Sound 93.1 FM (2013-2019)[edit]

The "Vintage Sound 93.1" format debuted on January 14, 2013, and was exclusive to the frequency; KMCN continued with the "Mac FM" format. The format featured classic rock along with less-mainstream rock, classic blues and other genres. The on-air lineup includes "The Tony Tone Show" weekday mornings, Wes Jordan in middays, Pippa in afternoons, and the syndicated night show "Nights with Alice Cooper", which began in April 2014. All three local personalities were previously heard on KBEA-FM in the Quad Cities.

93.1 The Buzz (2019-present)[edit]

On December 9, 2019, at 7 a.m., KMCS flipped to mainstream rock, branded as "93.1 The Buzz".[3]




  1. ^ "KMCS Call Sign History". United States Federal Communications Commission, audio division.
  2. ^ "Quad Cities, IA/IL: KMCS/KMCN - 94.7/93.1 Mac FM". Lou Pickney. Retrieved 2007-05-07.
  3. ^ What's the Buzz Coming to KMCS on Monday Radioinsight - December 8, 2019

External links[edit]