C-span (Cable-Satellite Public Affairs Network) is an American cable and satellite television network based in Washington, D.C. It was launched in 1979 by the National Cable Sattelite Corporation. The organization includes three television channels, C-SPAN, C-SPAN2, and C-SPAN3, which focus on the House of Representatives, the US Senate, and the government. The organization also controls the radio station WCSP-FM and some websites which provide streaming media and News.