Terrestrial television
Did you know this ? Terrestrial television (also known as over-the-air, OTA or broadcast television) was the traditional method of television broadcast signal delivery prior to the advent of cable and satellite television. Although still in wide use, in some countries it is slowly becoming obsolete but in others, digital terrestrial has become popular. It works via radio waves transmitted through open space, usually unencrypted (commonly known as "free-to-air" television).
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Linear Mode
