WCIU-TV began broadcasting in 1964, making Channel 26 the first UHF station in Chicago. In fact, the call letters stand for "Chicago's 1st UHF" stationPersonally Identifiable Information is any information that personally identifies you. It can be your first and last name, your email address, your home address, or your telephone number. Sometimes this personal information is needed when you order products online or subscribe to an email newsletter. Other times, web sites collect this information to help target advertising and marketing