Quote:
Originally Posted by radiotvnut
Something else I wonder is how long will the cable companies provide boxes that output an NTSC RF signal on channel 3/4?
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Probably as long as there are older NTSC CRT TVs. Once these old sets are completely out of service and have been replaced by flat panels (that day is coming, if it hasn't arrived already), the need for cable boxes will disappear, as will the boxes themselves. Eventually, the only uses for the old-style boxes that convert digital ATSC to analog NTSC will be as tuners for very old NTSC CRT sets such as are owned by VK members in their collections, or as paperweights.
Bear in mind, however, that many if not most or all of the older ATSC->NTSC cable boxes, removed from cable company service, may not and likely will not work as-is because these boxes must be activated with a special code to which only the cable company's technicians have access. Once boxes are removed from service, they may well be permanently locked so that they cannot be used for free cable service. There may be an FCC rule which requires cable operators to disable old, obsolete cable boxes in this way when new ones are phased in.