TV and Radio

Where does the DTV signal come from?
Answered by HowStuffWorks
  • HowStuffWorks


  1. You can pick up a television signal using three basics means. Antennas can pick up digital signals and with the proper antenna you will be able to receive digital signals for free. A local cable company provides digital television (DTV) service and, according to the package you purchase, may include HDTV channels as well. Cable can be connected to your television using a converter box or a CableCARD. Satellite services provide a number of DTV and HDTV channels. You will need to check with your satellite service to find out which stations are available in HDTV.

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