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What are the differences between VHF and UHF? Frequency ranges and typical uses

MINIO1986 53747 3
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #1 6390204
    MINIO1986
    Level 10  
    What is the difference between VHF and VHF because you talk a lot about it and don't know a lot?
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  • #3 6390410
    lukashb
    Level 39  
    Actually, VHF means exactly ultra short waves, so we include 50MHz and 80, 145, 430 etc. You probably meant UHF, which means Ultra High Frequency. Differences? The UHF wavelength is 70cm and the VHF is 2m,
    within the range, here for the benefit of 2m outside the city, UHF with high-placed antennas works well for built-up ones, although it does not mean that you will not communicate on VHF in the city, because you will communicate, but this is how it used to be. Examples of ranges for amateur repeaters, at 2m with good propagation it flies up to 200km, at 70cm with good propagation, we are happy when it flies 70km, these are my observations made over a period of time. Regards
  • #4 6390461
    SP5ANJ
    Rest in Peace
    I'll try to explain a little.

    UKF - is a term from the Polish term AT ltra K. needlework F. but.

    The terms VHF and UHF and many others are concepts in the same (Polish) VHF.

    Only that VHF (from English to our [Polish]) means " V very H. short F. waves "and UHF" AT ultra H. short F. waves ".

    I omit the exact chapter of the concepts here (because this is probably not what you are asking here), but it can be assumed that:
    VHF -em can be, for example, the frequency of radio stations (88.5MHz to 108MHz) as well as the AirBand band (aviation) and higher.

    Please, any other comments please treat my post as a typical VIEW to explain the topic using the Lopathological method .


    Regards.
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