Columbia subject headings:
Digital television--Government policy--United States.
Television broadcasting policy--United States.
Television--Receivers and reception--Government policy--United States.
Television--Receivers and reception--Technological innovations--United States.
Harvard subject headings:
Digital television--Government policy--United States.
Television broadcasting policy--United States
Television--Receivers and reception--Government policy--United States.
Television--Receivers and reception--Technological innovations--United States.
Princeton subject headings:
Digital television--Government policy--United States.
Television broadcasting policy--United States.
Television--Receivers and reception--Government policy--United States.
Television--Receivers and reception--Technological innovations--United States.