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.

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

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

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

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

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.

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.

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

The frequency（）the safety message will be transmitted shall be included in DSC safety call.

（）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.