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VHF system

VHF system

VHF system is a part of the Global Maritime Distress and Safety System (GMDSS - Global Maritime Distress and Safety System) in which communication takes place at frequencies prescribed in the International Code Radio Service, which regulates the purpose and order of use of radio channels for the radio in the VHF band ( from 156 MHz to 174 MHz). For the operation of the VHF maritime radio station, 56 VHF channels are used (simplex and duplex channels), out of which the VHF channel 16 (156.800 MHz) is used for calling and communicating in case of distress, and for the purpose of calling the other communications, the VHF channel 70 (156.525 MHz ) is used for DSC call, regardless of the type of call, while other VHF channels are used for all other types of communication.