Ship-to-ship distress alerting should be conducted by（）.

For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.

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.

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

International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.

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

（）will form the basis for distress alerting and safety calling.

As each MSI message will have a unique identity, the printing of messages already received correctly is（）.

Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.

The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.