SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.

Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）

COSPAS-SARSAT is intended to be used for（）.

The rescue coordination center may（）on stations which interfere with traffic.

Before GMDSS, if the radio officer on board is serious ill,（）.

Radio communication（）for many years and helps to save tens of thousands of lives.

Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.

Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.

Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

We consider（）send a helicopter with medical facilities to the distress area.