As consumers and cable companies prepare for the Feb. 17, 2009, switch from analog to digital television broadcasting, some educators are wondering how their schools' televisions will be affected.

The U.S. government has stipulated that all local broadcast stations will begin sending their signals digitally next year, discontinuing the use of analog signals.  Changing to an all-digital format will free up the analog signal capacity, some of which will be made available to emergency first responders such as local police and fire departments. Other available analog signals will be auctioned off.

At risk of losing TV signals once the transition occurs are


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