Wikipedia
KSJN
KSJN (99.5 FM) is the flagship station of Minnesota Public Radio's classical music network, serving the Twin Cities region. KSJN's studios are located at the MPR Broadcast Center on Cedar Street in downtown St. Paul, while its transmitter is located on the KMSP Tower in Shoreview.
Prior to 1991, 99.5 was known as WLOL, best known as a top-rated CHR station during the 1980s.