KSJN
| City | Minneapolis, Minnesota |
|---|---|
| Broadcast area | Minneapolis-St. Paul |
| Branding | Classical Minnesota Public Radio |
| Frequency | 99.5 FM (MHz) (also on HD Radio) 99.5 HD-2 Classical 24 |
| First air date | 1940 (AM), 1945 (FM) |
| Format | Public; Classical music |
| ERP | 100,000 watts |
| HAAT | 315 m (1,033 ft) |
| Class | C |
| Facility ID | 42911 |
| Callsign meaning | Variation of sister station KSJR-FM in St. Cloud |
| Former callsigns | WMIN-FM (1945-56) WLOL-FM (1956-91) |
| Affiliations | MPR, NPR |
| Owner | Minnesota Public Radio |
| Sister stations | KCMP, KNOW |
| Webcast | Listen Live! |
| Website | minnesota.publicradio.org |
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.
Saint John's University in Collegeville, near St. Cloud, built and began operating the first station in the network, KSJR-FM/90.1, in January 1967. By 1968, however, it was obvious that there weren't enough listeners in the immediate St. Cloud area for the station to be viable. KSJR nearly tripled its power in hopes of reaching the Twin Cities, but even then it only provided grade B coverage of Minneapolis and completely missed St. Paul. To solve this problem, St. John's signed on KSJN as a full-time repeater of KSJR-FM at 91.1 MHz. By 1969, Saint John's realized it was in over its head operating a full-service radio station, so it turned over KSJR and KSJN to a nonprofit corporation, Saint John's University Broadcasting. This organization later changed its name to Minnesota Educational Radio, and finally Minnesota Public Radio.
In 1969 and 1970, MPR assisted in the formation of National Public Radio and was a founding member of the organization. Four years later, in 1974, the network began live broadcasting of Garrison Keillor's A Prairie Home Companion, one of the best-known programs on American public radio.
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