Tag: DSC

Performing a VHF Marine Radio Check

The Coast Guard Inspections and Compliance Directorate has issued MSIB 20-20 to inform mariners of the proper procure for performing a VHF radio check.

8/16/2018: Marine Safety Alert – Potential interference of VHF-FM radio and AIS reception

The Office of Investigation and Analysis released Marine Safety Alert 13-18 to alert mariners about reports 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) on-board ships (e.g., navigation lights, searchlights and floodlights, interior and exterior lights, adornment). Radio frequency interference caused by these LED lamps was found to create potential safety hazards.

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