GMDSS Sea Area (A1 - A4) and Wave proportional Explained

GMDSS Sea Area (A1 - A4) and Wave proportional Explained

Apr 25, 2026

This is a video detailing the various GMDSS SEA AREAS, the proportion principle of waves and the selection of DSC Coast station for GMDSS RADIO test of MF/HF.

The video about WEEKLY MF/HF Coast station test will be uploaded separately.

I hope this video helps you in your future career paths.