WSEC is a full service television station in Jacksonville, Illinois, broadcasting on local digital UHF channel 15 and virtual channel 14. Founded in 1984, WSEC is owned by West Central Illinois Educational and branded as Network Knowledge. WSEC is a member station of PBS (Public Broadcasting Service). In addition to
its PBS programming, WSEC airs locally produced programs with information concerning local interest, culture, history and education. WSEC is a multiplexed channel, with three subchannels. Network Knowledge and PBS programming is carried on 14.1; on 14.2 is PBS World, with news and information, and Create is carried on 14.3, with how-to programs and information.