GMDSS Sea Area (A1 - A4) and Wave proportional Explained
Apr 23, 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.