WUSN is an FM radio station in Chicago, Illinois, The station broadcasts on 99.5 MHz and is a country radio station owned by CBS Radio. The station focuses on country music from the '90s, along with current product and some classic country from the '70s and '80s. Until 1978, 99.5 was classical WEFM, one of the first US FM stations, and the second station in the United States to broadcast in FM stereo. The station was owned by the Zenith Radio Corporation, now Zenith Electronics Corporation. It started as WWZR in 1940 on 45.1, also as W51C, then on 98.5 when the FM band moved. It changed to 99.5 and WEFM (named for Zenith executive Eugene F. McDonald) during the late 40s, which it was until it was sold.
Contributions by 18.104.22.168, 22.214.171.124, and 126.96.36.199.