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It was later used to require that all AM broadcast band receivers be able to pick up the new expanded band stations from 1620 to 1700 kilohertz.

It has most recently been used to begin requiring TV manufacturers to include tuners for digital televisionDigital television DTV uses digital modulation and compression to broadcast video, audio and data signals to television sets. Introduction A major use of DTV can be to carry more channels on the same amount of bandwidth. Another can be high-definition pro, although unlike the first two this will cause a large increase in the price of sets. This will be phasePhase from the Greek phasis meaning 'appearance', has a number of related meanings in English. The phase of a waveform is the position of any peak or trough compared to the same feature on a second waveform. A phase of matter is a physically distinctive fd-in over several yearA year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. By extension, this can be applied to any planet: for example, "Martian year". Seasonal year A seasonal year is the time between successive recurrencess, beginning with the larger sets. Some have objected to this mandateIn politics, a mandate is the authority granted by an electorate to act as its representative. Elections are often said to give the newly elected government or elected official a mandate to implement certain policies. Also, the period a government serves because it is mainly so the U.S. government can turn off analogFor the Analog Science Fiction and Science Fact publication, see Astounding Magazine. For the server log file analyzer, see Analog (program). An analog (American English spelling) or analogue (British English spelling) signal is any continuously variable stations and sellSell can mean: A verb relating to Sales Sell (professional wrestling). or auctionAn auction is the process of buying and selling things by offering them up for bid, taking bids, and then selling the item to the highest bidder. In economic theory an auction is a method for determining the value of a commodity that has an undetermined o the frequencies off, while it will cost consumers more for something which has so far gotten a lukewarm reception by the public.

By law, 85% of the households in an area must own at least one DTV tuner before the FCC can turn off analog stations. However, since most homes have more than one TV, a very small fraction of sets may actually continue working without the expense of a converter box when the threshold is reached.