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

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

The priority of EGC messages is classified by（）.

On-scene communications will normally take place between（）.

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.

If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.

SOLAS ships shall be equipped with（）.

Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.

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.

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