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A brief history of maritime radio

Do you know how wireless telegraphy and then radio revolutionized maritime navigation?

The invention of radio dates back to 1895-1899. As early as 1902, sailors began using it to transmit weather conditions. This was probably the first use of maritime radio.

Weekly quiz: Marine VHF duplex and simplex channels

VHF is the marine communication means of choice.

Rather than bother with frequencies, its numbered channels was a great idea. It made radio simple to understand and use for boaters.

That is, until different needs led different countries to use it in different ways…