WNMU is a full service television station in Marquette, Michigan, broadcasting on local digital channel 13. Founded in 1972, it is owned by Northern Michigan University. WNMU is a member station of PBS (Public Broadcasting Service). In addition to its PBS programs, WNMU produces and airs original programming with newscasts, educational shows, expert advice programs, environmental issues and historical documentaries. WNMU’s channel is multiplexed, with three subchannels. Channel 13.1 airs WNMU and PBS programs in high definition; 13.2 shows WNMU and PBS programs in standard definition, and 13.3 broadcasts TV13/Plus.