Maritime Coastguard Agency
December 13
15:21
2023
Details
For the attention of ships with Global Maritime Distress and Safety System (GMDSS) high frequency (HF) radio installations and radio operators. GMDSS services using 2-way narrow-band direct-printing (2W-NBDP) for distress and safety communications in the HF-band will cease at midnight on 31/12/2023.