The Alliance for Community Media's former director of Information and Organizing Services Rob McCausland provides these illuminating maps in a survey of the landscape of community television across the United States, 

Cablecasting Meetings of Local Governments: Cities of More Than 100,000 Residents

Mapping United States Educational Access Television Providers

Nonprofit and Government-Managed Community Access Channels

Get a visceral feel at the range of what we stand to lose if we don't protect the hard-earned channels, facilities and equipments that cable companies were forced to give back to local communities.