What Does Digital Terrestrial Television (DTTV) Mean?
Digital terrestrial television (DTT or DTTV) is television signals broadcast over the air to be picked up over the air using an antenna rather than over cable or satellite. In several countries, DTT has replaced analog television, with analog broadcasting discontinued. Digital terrestrial television typically offers HDTV signals as well as more efficient use of the radio spectrum.
Techopedia Explains Digital Terrestrial Television (DTTV)
Digital terrestrial television broadcasts have become widely available in most developed countries. In several places, analog broadcasts have been discontinued. In the U.S., analog TV stations left the air in 2009.
