GMDSS daily test practical and what to record minimum, explained || Sailor 360
2:17
DAILY TEST OF RADIO BATTERIES | OFF LOAD / ON LOAD TEST | UASUPPLY
25:44
GMDSS Explanation Video (from 1992), with a few errors, but still okay.
21:41
GMDSS Daily Checks at Sea? Global Maritime Distress and Safety System
19:02
Daily checks on GMDSS equipments #mariners #sailors #ships #gmdss #ship #like #merchantnavy
5:54
VLOG NO. 7 - HOW TO DO DAILY EQUIPMENT TEST OF THE GMDSS STATION
5:56
All you need to know about Scamin in Ecdis | Scale Minimum | Sailor 360
50:16
How to Properly use in Echo Sounder? Echo Sounder အားကျွမ်းကျင်စွာ အသုံးပြုနည်း။
24:13