Maritime broadcast communications net

{{Short description|Telecommunications network}}

In telecommunications, a maritime broadcast communications net is 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. {{cite book|author=Martin Weik|title=Communications Standard Dictionary|url=https://books.google.com/books?id=pVvSBwAAQBAJ&pg=PA557|date=6 December 2012|publisher=Springer Science & Business Media|isbn=978-1-4613-0429-6|pages=557–}}{{cite book|author=National Telecommunication Information Administration|title=Telecommunications: Glossary of Telecommunications Terms|url=https://books.google.com/books?id=xSa_AAAAQBAJ&pg=SL13-PA4|date=1 April 1997|publisher=Government Institutes|isbn=978-1-4617-3232-7|pages=13–}}

Note: Basic international distress calling is performed at either medium frequency (MF) or at high frequency (HF).