What is an HDTV upconverter?
Your cable provider will provide you any HD channels available in your market via antenna. That means ABC, NBC, CBS, FOX, probably PBS and any local independent stations. Those channels aren’t always where you would expect to find them though. I get a lot of my locals on wierd channels like 94, 112, 105, etc. Call your cable company and ask them for the channel numbers they are using to send all of your local HD programming. That will be the sum total HD you will see without a cable box. If you want to watch channels like DiscoveryHD or ESPNHD, you will have to rent the cable box. The cableco is under no FCC requirement to provide anything other than your locals in HD at no additional charge. An HD Cable Box is not an upconverter, however is will display any HD cable channels you are willing to pay for. Upconverting, by the way, does not turn a standard television picture into an HD picture. It simply sends the standard picture up an HD “pipe.” Your picture quality might be slightly be