Digital TV Transition Not as Easy as Advertised

The government-ordered switch to digital television broadcasting next year promises razor-sharp picture and orchestra-like sound -- that is, if the signal actually comes in. Viewers are discovering that despite their efforts, it might not. Even with digital converter boxes, the receiver of choice for those who rely on an antenna and do not have a digital television, viewers are finding that the new digital signals are more capricious than old-fashioned analog.
http://www.washingtonpost.com/wp-dyn/content/article/2008/05/19/AR200805...
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