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Off-air Digital TV

Guide To Terms Used in Full-Powered Digital TV Channel Listings

  • DIGITAL CHANNEL is the actual VHF or UHF channel number used to transmit digital TV signals
  • CALL LETTERS are the official call letters issued by the Federal Communications Commission
  • NETWORK refers to any major network affiliations
  • COMMUNITY is the city of license or community served
    • Actual transmitter location is listed in ( ) if different from COMMUNITY
  • Latitude is given in degrees, minutes and seconds NORTH
    • Longitude is given in degrees, minutes and seconds WEST
  • RANGE in Miles is estimated distance from the transmitter that the FCC expects no interference from other stations
    • Coverage maps can be found on the FCC website at
    • Transmit antennas are Omni-directional, unless listed with a -D suffix, which indicates a Directional transmit antenna
    • Such coverage areas assume line-of-sight between the transmitter and an outdoor receive location, at nominal rooftop level from a single story building
    • Actual distance can be much further, especially in elevated receive locations, or when using extremely efficient antenna systems
  • DIGITAL SUBCHANNELS are the TV channels carried on this television's main carrier
    • Up to 6 standard definition television signals may be placed within a digital television carrier
    • High Definition signals are indicated by a -hd suffix. When HD is transmitted, there are usually no more than 2 other standard definition signals
    • Channel numbers use the Virtual Channel mapping assignments, which may indicate the channel's previous analog channel number
  • Digital TV (DTV) versus High Definition TV (HDTV)
    • Digital television, or DTV, is the new industry standard for broadcasting picture and sound using digital signals, allowing for better picture and sound quality compared to conventional analog programming. DTV programming can be delivered in either of two basic formats: standard analog definition, (SDTV) and High Definition (HDTV).
    • HDTV is a form of digital TV (DTV). You do not have to own an HD set to enjoy digital television.

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