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Do you really need an HDTV antenna? I mean, there's cable and there is satellite. So why would you need an hdtv antenna? Well, believe it or not, there are still many many familities who receive their tv signal the old fashioned way, through the air. So, when all of TV broadcasting switches to HDTV, there will be many people who need this technology to see anything on the their TVs. Additionally, this means there is a market for advertisers and programmers. Where there are viewers, there is revenue to be made. So it's likely that in your market there will be interesting programming, available for free, sent over the air in HD. However, the catch is that you will need an hdtv antenna to receive this content. Most sets support the ability to get a signal from both an air source as well as cable or sat.

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