Although the transition to digital television (DTV) broadcasting across the United States is still a few months away, the impending switch has prompted many school technologists to consider "what-if" scenarios. One of their chief concerns is whether the coaxial radio-frequency (RF) cable networks that currently carry analog TV content in schools will be able to handle digital content adequately.

In the accompanying article, Tim Beekman of SAFARI Montage writes that some school systems could experience a degradation of their DTV signal as the signal travels over their coaxial cable network.

"While some schools will have 1GHz RF networks that can support digital TV,


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