FM broadcasting
VHF Radio waves do not travel far beyond the visual horizon, so reception distances for FM stations are usually limited to 30–40 miles (50–65 km) They can also be blocked by hills or buildings.
KAUR
KAUR (89.1 FM) is a radio station broadcasting programming from Minnesota Public Radio's News & Information service. Licensed to Augustana University in Sioux Falls, South Dakota, United States, the station serves the greater Sioux Falls area and can reliably broadcast up to approximately 30 miles in any direction. The station is currently owned by Augustana University and operated by MPR.