admiralty list of radio signals vol. 5

Worldwide communication requirements for distress, search and rescue, The premier SOLAS compliant guide for GMDSS, Extracts from SOLAS and ITU Regulations, Distress and SAR (incorporating MRCC and MRSC contacts), Worldwide NAVTEX and Maritime Safety Information, Colour diagrams depicting worldwide operational DSC ranges, NAVTEX and SAR areas, Essential information for GMDSS students and maritime communication professionals.