VHF Radio

USCG Marine Safety Alert

The U.S. Coast Guard has received reports from crews, ship owners, inspectors and other mariners regarding poor reception on VHF frequencies used for radiotelephone, digital selective calling (DSC) and automatic identification systems (AIS) when in the vicinity of light emitting diode (LED) lighting on-board ships (e.g., navigation lights, searchlights and floodlights, interior and exterior lights, adornment).

Read the entire Safety Alert published by the USCG which includes instructions for testing whether or not your VHF signals are being affected by LED lights onboard your vessel… View PDF >>

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