The Public Broadcasting Service (PBS) is an American http://en.wikipedia.org/wiki/Non-profit http://en.wikipedia.org/wiki/Public_broadcasting http://en.wikipedia.org/wiki/Television http://en.wikipedia.org/wiki/Broadcasting with 354 member TV stations in the http://en.wikipedia.org/wiki/United_States which hold collective ownership. Its headquarters are in http://en.wikipedia.org/wiki/Arlington,_Virginia.
PBS, NBC, and CBS are TV networks, not TV stations. Stations are members of networks. The stations broadcast the TV programs provided by the network they belong to.
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Grammar Geekanyone can list or watch, but they are member-supported.Hmmm, the government seems to be a member.