WGBK 88.5 FM - The North Shore Alternative

WGBK is owned and operated by Glenbrook School District 225, with studios located at Glenbrook North High School in Northbrook, Illinois and Glenbrook South High School in Glenview, Illinois.

Our transmitter and antenna are located in Northbrook, Illinois. WGBK operates on 88.5MHz with an effective radiated power of 185w by authority of The Federal Communications Commission.