Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A section of a transmitted wave used to modify the information-carrying section of the wave.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun telecommunications A separate signal carried on a main radio transmission, often carrying additional information such as voice or data.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From sub- +‎ carrier.

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Examples

  • Acctually IMHO the TTN website coverage map shows the FM Stereo Broadcast Coverage area (for 100.7 CHIN FM the RDS subcarrier) not the Area where your unit would be able to decode without errors most of the time most of the TMC events.

    Toronto, Ottawa and Montreal get GPS traffic info | Sync Blog 2007

  • I built it myself, back in the 1970s, and the FM tuner's stereo subcarrier filter has developed an intermittent open circuit.

    Gray jhetley 2009

  • The subcarrier filter on the FM stereo receiver went out a few years back, no parts available, so we've been listening to broadcasts in mono.

    Hope springs eternal jhetley 2006

  • For another thing, FM radio subcarrier networks are probably inferior to existing paging and cellular networks.

    Smart Mobs » Blog Archive » “Big Brother will be wrist-watching you” 2003

  • We encoded a harmonic subcarrier into the jamming pulse that will let us communicate with one another and the Enterprise on a special frequency.

    A Time to Kill David Mack 2004

  • We encoded a harmonic subcarrier into the jamming pulse that will let us communicate with one another and the Enterprise on a special frequency.

    A Time to Kill David Mack 2004

  • We encoded a harmonic subcarrier into the jamming pulse that will let us communicate with one another and the Enterprise on a special frequency.

    A Time to Kill David Mack 2004

  • Without her, it would have eventually been picked up by the special subcarrier tracker used here as an antibugging security measure.

    Floating City Lustbader, Eric 1990

  • VP-7040 is designed to play back NTSC tapes using the 4. 43MHz color subcarrier frequency.

    VideoHelp.com Forum steve70s 2010

  • The tapes I have are recorded in the USA using the standard NTSC 3. 58MHz color subcarrier frequency.

    VideoHelp.com Forum steve70s 2010

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