C-SPAN , an acronym for Cable-Satellite Public Affairs Network, is an American cable and satellite television network that was created in 1979 by the cable television industry as a public service. C-SPAN televises many proceedings of the United States federal government, as well as other public affairs programming. The C-SPAN network includes three television channels (C-SPAN, C-SPAN2 and C-SPAN3), one radio station (WCSP-FM) and a group of websites that provide streaming media and archives of C-SPAN programs. C-SPAN's television channels are available to approximately 100 million cable and satellite households within the United States, while WCSP-FM, also called C-SPAN Radio, is broadcast on FM radio in Washington, D.C., and is available throughout the U.S. on XM Satellite Radio, via Internet streaming, and through apps for iOS, BlackBerry and Android devices.