Wednesday, 19 March 2025, 1:23 AM
Site: eGMDSS E-learning system
Course: Tečaj rukovanja VHF GMDSS postajom (VHF-HR)
Glossary: Riječnik
HFHigh frequency - same mean as long wave (LW). Frequency bands from 3 to 30 MHz. For distress calls in sea areas A3 and A4 HF frequencies should be used. |
HRU Hydrostatic Release Unit - It is a device that will automatically release the EPIRB once a depth of approximately 4-5 m is reached. |