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City of license Joliet, Illinois
Branding The Edge
Frequency 88.7 MHz
First air date 1989
Format Alternative
ERP 100 watts
HAAT 39.0 meters (128.0 ft)
Class A
Facility ID 12283
Transmitter coordinates 41°31′58.00″N 88°5′54.00″W / 41.5327778°N 88.0983333°W / 41.5327778; -88.0983333Coordinates: 41°31′58.00″N 88°5′54.00″W / 41.5327778°N 88.0983333°W / 41.5327778; -88.0983333
Owner University of St. Francis
(College of St. Francis)
Webcast Listen Live
Website [1]

WCSF (88.7 FM, "The Edge") is a radio station broadcasting an alternative music format.[1] Licensed to Joliet, Illinois, USA, the station is currently owned by the University of St. Francis.[2] The school was known as the College of St. Francis until 1998 and the broadcast license is still held in that name. WCSF is best known for its annual "Spirit of Christmas" non-stop Christmas music programming from Thanksgiving to New Years which was launched in 1994 by radio personality and station manager Bob Zak. The program continues to this day under the direction of Don Burke.


  1. ^ "Station Information Profile". Arbitron. Winter 2010. Retrieved 2010-02-20. 
  2. ^ "WCSF Facility Record". United States Federal Communications Commission, audio division. Retrieved 2010-02-20. 

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