Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.

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

（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.

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.

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

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.

Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.

Please use（）for（）.

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.

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