A communications net that is used for international distress calling, including international lifeboat, lifecraft, and survival-craft high-frequency (HF); aeronautical emergency very high-frequency (VHF); survival ultra high-frequency (UHF); international calling and safety very high-frequency (VHF); combined scene-of-search-and-rescue; and other similar and related purposes. Note: Basic international distress calling is performed at either medium frequency (MF) or at high frequency (HF).
MARITIME BROADCAST COMMUNICATIONS NET
Meaning of MARITIME BROADCAST COMMUNICATIONS NET in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012