Ummm errr ah well could be. All I know is that with my '06 vintage everything the scanner in my little 19" 720p Telly found about 37 digital channels, some in Tampa, about 40 miles from Bradenton Beach (well really Cortez). Wasn't paying much attention though, all I cared about was the Magic game which had a great picture.
At home I get all the local digital channels with a 1984 vintage flying saucer antenna.
Guess it is a good thing I didn't know I needed a special antenna. From
Wikipedia "Sellers often claim to supply a special "digital" or "high-definition television" (HDTV) antenna advised as a replacement for an existing analog television antenna, even if satisfactory: this is misinformation to generate sales of unneeded equipment.[2][3]"