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VHF radio is also used for marine Radio [6] as per its long-distance reachability comparing UHF frequencies. Example allocation of VHF–UHF frequencies: [7] Radionavigation 60: 84–86 MHz; Fixed Maritime Mobile: 130–135.7 MHz; Fixed Aeronautical radio navigation: 160–190 MHz; Broadcasting Aeronautical Radionavigation: 255–283.5 MHz
VHF radio systems use extremely high frequencies to transmit signals from one point to another. These frequencies are measured in megahertz (MHz), which range from 30 MHz to 300 MHz. The higher the frequency of the signal transmitted, the longer it can travel without being affected by interference or other factors that can degrade its quality.
A standard handheld marine VHF, mandatory on larger seagoing vessels under the GMDSS rules A VHF set and a VHF channel 70 DSC set, the DSC on top A vintage (76-89) marine VHF radiotelephone. Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship ...
Jul 17, 2023 · VHF band radio waves operate on lower frequencies but are longer, so they work better for long-range outdoor use in job sites, campgrounds, and farms. Unlike UHF waves, VHF cannot penetrate objects like buildings or other large obstructions. As a rule of thumb if you’re outdoors, use a VHF radio. If you’re indoors, stick with UHF.
Aug 15, 2020 · In general, VHF radios operate in the 138-174 MHz frequency band and UHF radios operate in the 400-512 MHz frequency band making UHF roughly three times higher in frequency than VHF. One important characteristic of radio waves is the wavelength which is the distance between peaks on a wave:
Very high frequency (VHF) refers to the radio frequency electromagnetic waves ranging from 30 to 300 MHz with corresponding wavelengths ranging from 1 m to tens of meters. VHF is widely used for FM broadcasting, television broadcasting, military and local mobile radio transmissions, traffic control long communications, radars, radio modems, as well as in marine and air navigation systems.
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The principle of VHF (Very High Frequency) refers to the use of radio waves with frequencies between 30 and 300 megahertz. This article provides an overview of how VHF works and its applications in various industries, including broadcasting, aviation, and maritime communication. Learn about the advantages and limitations of VHF technology and its role in modern communication systems.
