KGAC (91.5 FM) is a radio station licensed to St. Peter, Minnesota, serving the St. Peter, Mankato, New Ulm area. The station is owned by Minnesota Public Radio (MPR), and airs MPR's "Classical Music Network", originating from KSJN in Minneapolis/St. Paul.
In August 2011, KGAC flipped frequencies with local sister station KNGA.
KGAC is relayed by four additional translator stations.
An additional translator relays the HD2 signal of sister station KNGA, which also airs the MPR Classical Network.
Coordinates: 44°13′19″N 94°07′05″W / 44.222°N 94.118°W / 44.222; -94.118