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  2. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...

  3. Near and far field - Wikipedia

    en.wikipedia.org/wiki/Near_and_far_field

    For such an antenna, the near field is the region within a radius r ≪ λ, while the far-field is the region for which r ≫ 2 λ. The transition zone is the region between r = λ and r = 2 λ . The length of the antenna, D, is not important, and the approximation is the same for all shorter antennas (sometimes idealized as so-called point ...

  4. G5RV antenna - Wikipedia

    en.wikipedia.org/wiki/G5RV_antenna

    A transmatch (antenna tuner) is not required to use this antenna near its nominal design frequency of 14 MHz, and judicious length adjustments can sometimes include one other frequency band. All other frequencies require a transmatch. [citation needed] There are many variants of the G5RV antenna. Two variations of the G5RV design, called ZS6BKW ...

  5. ATSC tuner - Wikipedia

    en.wikipedia.org/wiki/ATSC_tuner

    Canada had a similar analog TV termination date set to September 1, 2011 (except in some remote northern regions). [citation needed] It was feared that the US switch-off would cause millions of non-cable- and non-satellite-connected TV sets to "go dark". Viewers who did not upgrade, either to a television with a digital tuner or a set-top box ...

  6. Terrestrial television - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_television

    (right) One of the first television broadcasting antennas, on the Empire State Building in New York City for NBC's experimental 46.5 MHz TV station W2XBS in 1939. Terrestrial television , or over-the-air television ( OTA ) is a type of television broadcasting in which the content is transmitted via radio waves from the terrestrial (Earth-based ...

  7. Amateur television - Wikipedia

    en.wikipedia.org/wiki/Amateur_television

    Such receivers can decode FM television when an outdoor antenna is connected to the LNB input. Due to the low cost and ease of repurposing old analog satellite receivers, this is the most popular band for FM amateur TV. Commonly used 23 cm FM channels: 1.255 GHz; 1.265 GHz

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