GMDSS radio log keeping

A GMDSS radio log should be kept in order to provide a record of all events connected with the radio communications facilities on board. As a minimum, the following should be recorded: A summary of communications relating to distress, urgency and safety. This includes any periods when a radio watch is discontinued and the reasons for doing so.
Monthly Tested Enhanced group calling (EGC) function to be entered.
The requirements relating to the retention of radio logs are determined by the flag State and the ITU Radio Regulations and should be included in the SMS. (BPG 5th Edition 3.15.5)