radio

A digital selective calling VHF-FM marine-band radio allows for a digital transfer between radios versus voice transmission which allows mariners to instantly send an automatically formatted distress alert to the Coast Guard. U.S. Coast Guard photo by Petty Officer 2nd Class Brandyn Hill.

A digital selective calling VHF-FM marine-band radio allows for a digital transfer between radios versus voice transmission which allows mariners to instantly send an automatically formatted distress alert to the Coast Guard. U.S. Coast Guard photo by Petty Officer 2nd Class Brandyn Hill.


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