Now that broadcast stations are switching over to digital, they can ''multicast'' so that they can offer more programming. For example, on a digital tuner receiving over the air signals, ABC would be available on channels 7.1, 7.2, 7.3, etc, with different programming on each channel. However, cable and FiOS, which are not affected by the digital switch, do not pick up these additional stations. Why not?
Solved that problem by installing and over-the-air antenna and am in the process of firing my cable company. I will retain their internet service and go to a base package on satellite for the likes of my kids' favorite networks (Nick, Cartoon Net, Disney) and my Fox News Channel), but my programming options are already growing from 7 analog to 13 digital from off-air in recent months and another 2-5 different subchannels are likely in my market in the next 24-36 markets (for free). Why pay to watch commercials when they are free?
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