Marine VHF radio

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, ship-to-shore, and in certain circumstances ship-to-aircraft. It uses FM channels in the very high frequency (VHF) radio band in the frequency range between 156 and 174 MHz, designated by the International Telecommunication Union as the VHF maritime mobile band. In some countries additional channels are used, such as the L and F channels for leisure and fishing vessels in the Nordic countries.

Transmitter power is limited to 25 watts, giving them a range of about 100 kilometres.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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