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City of license Macomb, Illinois
Branding K-100
Slogan Today's Best Music
Frequency 100.1 MHz
First air date 6 June 1966[citation needed]
Format Contemporary Hit Radio/Sports Radio
ERP 25,000 watts
HAAT 86 meters (282 ft)
Class B1
Facility ID 60016
Transmitter coordinates 40°32′1.0″N 90°51′45.0″W / 40.533611°N 90.862500°W / 40.533611; -90.862500Coordinates: 40°32′1.0″N 90°51′45.0″W / 40.533611°N 90.862500°W / 40.533611; -90.862500 (NAD83)
Callsign meaning to match original callsign of WLRB
Former callsigns WKAI-FM (1966–1984)
Owner Nancy L. Foster[1]
(Colchester Radio, Inc.[1])
Sister stations WJEQ, WLMD, WLRB, WMQZ, WNLF[1]
Website http://wkaifm.com/

WKAI is a 25,000 watt FM radio station on 100.1 kHz in Macomb, Illinois, in west-central Illinois. WKAI has been on the air since June 6, 1966.[citation needed] It is owned by Nancy L. Foster via Colchester Radio, Inc.,[1] and part of husband-and-wife company Prestige Communications.

Survey after survey shows K-100 to be the most popular radio station in McDonough County.[citation needed] K-100 features contemporary hit music of the 80's, 90's and today along with local news, weather, sports and chances to win prizes several times each day. K-100 also carries live play-by-play of Macomb High School football and basketball, and other special sports broadcasts throughout the year.


  • 1966 — WKAI-FM is added[clarification needed] to the existing WKAI-AM (now WLRB) at 1510 kHz and Macomb Daily Journal media properties owned by the Rudolph family.
  • 2005 — Construction permit filed with FCC to increase station power to 11.5 kW ERP.
  • 2009 — WKAI was transferred from WPW Broadcasting, Inc. in DeKalb, Illinois to Colchester Radio, Inc.[1]


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